Poly house Subsidy, Material, Crop, Cost, Structure

We “Shri Ji Green” is a Sole Proprietorship firm that is the distinguished Manufacturer, Trader And Service Provider of a high-quality and wide range of Net House, Agricultural Greenhouses, Agricultural Polyhouse, Mist Chambers, Protected Cultivation, Wire Rope Net House, Low-Cost Net House, Poly house subsidy, greenhouse accessories etc. In addition to this, we also impart Poly house Construction Services in Across India.

Poly House Structure

Today in this article we will discuss coolhouse, its basic introduction, and types, etc. We will also address any possible questions that you might have in mind regarding Plant-house farming. We will be covering more topics on our blog regarding Polyhouse subsidies in India, Rajasthan subsidiary schemes, greenhouse profit, and risk comparisons, and any other topic at our readers’ request. If you are a farmer and looking for a possible investment to yield more profit, Poly farming will be the best option for you to invest in. This is the prime-time  subsidy of Poly farming structure as it is still a relatively new trend and in states like Rajasthan, Punjab, Haryana, Uttar Pradesh, Madhya Pradesh there’s low competition with high scope.

Polyhouse Price 844 Rs. Per Square Meter.

4000 Square Meter Polyhouse Is 3376000 Rs.

Poly house cost for 1 acre 3376000 Rs. 

Poly House Sliding Net

Top shading net can be done by using the following material, Maximum shading net are use in tape shade net and monofilament shade net :

Shading net

A Shading net made from HDPE should be used. The selection of shade net depends upon the selection of crops grown and the light spectrum, low cost shade net house into shade 50% in sliding side. It should not be more than a 50% shade factor. It should be UV stabilized so that it should last long-form min. three years. GSM should be a minimum of 100. shade net house is batter then poly house in hot area. shade net are slide for tempture control. Opening and closing arrangements either manual or auto should be provided to the shading net to increase its utility poly house subsidy states like Rajasthan, Gujrat, Punjab, Haryana, Uttar Pradesh, Madhya Pradesh, Maharashtra, Delhi there’s low competition with high scope.

Types of Shading Shade Net Agro Tape x Tape 

1. Green x Green Shade Net – 35 % ,50%, 75% , 90% Shading
2. Green x Black Shade Net – 35 % ,50%, 75% , 90% Shading
3. White x White Shade Net – 35 % ,50%, 75% , 90% Shading
4. Black X Black Shade Net – 35 % ,50%, 75% , 90% Shading

Thermal screen / Aluminate:

This is a better option to create the shading. It reflects the light back and by the means controls the temperature also. This defuses the light also. This is made from HDPE with a hot-dip aluminum coating. Minimum GSM should be 100 and minimum aluminium coating should 25 microns. Polyhouse thermal net opening and closing arrangements either manual or auto should be provided to the thermal screen to increase its utility.

Side Shading

A shade net of 35 % should be used to create side shading. This is useful to avoid direct entry of sunlight into the poly house / greenhouse subsidy when the curtain is open, Minimum GSM should be 75.

1 Square Meter Polyhouse Sliding Net Price Is 20 Rs.

 

Poly House Covering Material

A Poly house covers 4 types of Materials that are used in The Structure.

 Poly House Film

Technical Specifications of poly house subsidy requirements should be as per India standard (IS 15827:2009) To select the proper polyhouse film for the poly house is very important and which have a direct relationship with the quality of the crop as well quantity of the produce. Poly house subsidy structure should be properly UV stabilised and pro-rated warranted for at least three years. The thickness of polythene film should be a minimum of 200 microns (0.2mm) polythene quantity accommodate maximum 5.4 sq meter area in its 1-kilogram weight as per NHB poly house subsidy. (for example, 5.5 m x 100 m polyhouse film roll should have a minimum weight of 5.5 x 100/5.4= 101.85 kg or 4.5 m x 100 m one roll should have a minimum weight of 4.5 x 100 / 5.4=83.33 kg)

Options in polyhouse film

• UV Stabilization – Polyhouse film
• Diffusing/clear (light Transmission) – Polyhouse film
• UV blocking /Antivirus – Polyhouse film
• Sculpture Resistant – Polyhouse film
• Thermic – Polyhouse film
• Anti-Drip – Polyhouse film
• Anti-Mist – Polyhouse film
• Anti-Dust – Polyhouse film

1 Square Meter Poly House Plastic Film Net Price Is 40 Rs.

Shade Net 

A shading net made from HDPE should be used. The selection of shade net depends upon the selection of poly house crops grown and the light spectrum. Shade net should not be more than 50% or 75% shade factor. Shade net should be UV stabilised so that it should last long-form min. three years as per NHB poly house subsidy. GSM should be a minimum of 100.color-white or black.

1 Square Meter Shade Net Price Is 20 Rs.

Insect Net

We are one of the most reliable companies on this Insect Net. It is used for insect control 40 mesh insect net. GSM Should be a minimum of 100. Insect Net should be UV stabilised so that insect net should last a long of min. three years. this product specification use as per government poly house subsidy.

 

1 Square Meter Insect Net Price Is 35 Rs.

Apron Paper 

We are one of the most reliable companies. The selection of apron paper is depending on the polyhouse structure size, apron is used for all bottom sides. To tap the Co₂ inside the greenhouse farming, the bottom apron paper is necessary. apron paper should have min 0.6 m height from the ground and max 1.5 meters depending upon poly house the crop and climatic conditions as per poly house subsidy terms.

 

1 Square Meter Apron paper Price Is 35 Rs.

Poly House Material

We are one of the supplies companies. Poly house GI & Covering with irrigation materials.

GI Pipe

We provide foundation pipe in 3 mm Thickness & other columns and poly house bottom pipe are used in 2mm Thickness as per terms for poly house subsidy. it is part of poly house material.

1 Kilogram  GI Pipe Price Is 60 Rs.

GI Profile & Aluminium Profile 

We are offer C type profile made from Alloy GI Profile & Aluminium profile that should have-high strength with lightweight (approx. 220-250 gm/meters) smooth edges, curve bottom proper form 1.25 to 3″ pipes. Proper Channel for spring and Suitable for double spring locking 0.9 mm thick. Self Drilling screws should be fixed on the profile every 40 cm along the full length of the profile.it is part of poly house material.

1 Meter Profile Price Is 20 Rs.

Zig Zag Spring

Our domain expertise has enabled us to come up with an excellent quality range of Zig Zag Spring.it is part of poly house material.

1 Meter Zig-Zag Spring Price Is 20 Rs.

Angle Brackets

We are Supply two types of angle brackets.it is part of poly house material use for fixing polyhouse structure.

Polyhouse L Brackets

It is a useful bracket for outer side bottom pipe fixing.it is part of poly house material.

                      1 Pieces Polyhouse l brackets Price Is 65 Rs.

Polyhouse F Bracket

It is a useful bracket for all columns to big arc & small arc to connect. It fixes with bolts & nuts, it is used for mostly area shape of poly house structure as per polyhouse subsidy.it is part of poly house material.

1 Piece Polyhouse F brackets Price Is 80 Rs.

Polyhouse Full Clamps

We supply the polyhouse clamp to connect column pipe to hockey pipe as per poly house subsidy. it is part of poly house material.

1 Piece Full Clamp Price Is 35 Rs.

Polyhouse Half Clamp

We supply the poly house clamp to connect two purlin pipes & other pipes per poly house subsidy. it is part of poly house material.

1 Piece Half Clamp Price Is 35 Rs.

Polyhouse Curtain Clamp

Being a well-established organization, we are offering a distinguished range of Polyhouse Curtain Clamps.it is part of poly house material.

1 Piece Polyhouse curtain clamp Price Is 7 Rs.

Polyhouse Universal Joint

We are offering a distinguished range of Polyhouse Universal Joint are used for all side curtain up and down. it is part of poly house material.

1 Piece Universal Joint Price Is 110 Rs. 

Polyhouse GI Gutter Sheet

We offer a distinguished range of Polyhouse GI Gutter Sheets for the top side in two arcs. They are useful for the water drain system and store the water in a farm pond. it is part of poly house material.

1 Kilogram GI Gutter Sheet Price Is 55 Rs. 

Polyhouse Net Pully

We are offering a full range of Polyhouse Net Pully. It is used for sliding shade net move for crop shade. Net Pully with rope is a move to open and close the net.

1 Piece Net Pully Price Is 130 Rs. 

Polyhouse Funnel

Used to diverting rainwater from overshooting inside corners on polyhouse gutter sheet. Fits directly to the top of the box piece or can be used in a problem area where rainwater overshoots the Polyhouse funnel.

1 Piece Polyhouse Funnel Price Is 350 Rs. 

Polyhouse Curtain Gear

We are offering a distinguished range of Polyhouse Curtain Gear System are used for all side curtain up and down. It is used for easy-to-use and eco-friendly systems.

1 Piece Polyhouse Curtain Gear Price Is 900 Rs.  

Polyhouse Weed Mate & Ground Mate

We are offering a supply of Weed mate. It tells ground mate is use in polyhouse crop weed control. it is part of poly house material.

1 Square Meter Weed Mate Price Is 28 Rs. 

Irrigation System

The drip irrigation system is the most important part of the water supply in the Polyhouse structure system. Filter unit with a platform to the fixed head unit each polyhouse structure. Ventures size for 1000 sqm 1” and for 2000 sqm to 4000 sqm 1.25”. the water control system is the centralized system on one side to operate the field. Four-valve 2” in one poly house installation as per polyhouse subsidy.

4000 Square Meter Poly house drip irrigation system Is 250000 Rs.

 

 

Bed Making

We are also providing services for these Polyhouse and Shade Net House across India.

4000 Square Meter Polyhouse Bed making Price Is 400000 Rs.

Plastic Mulching

Mulching is the process or practice of covering the soil/ground to make more favorable conditions for plant growth, development, and efficient crop production. Mulch technical term means ‘covering of soil’. While natural mulches such as the leaf, straw, dead leaves, and compost have been used for centuries, during the last 60 years the advent of synthetic materials has altered the methods and benefits of mulching. The research and field data available on the effect of synthetic mulches make a vast volume of useful literature.

1.5 Meter x 400 Meter Plastic Mulching Price Is 1800 Rs.

 

Trellising Accessories

We provide white Nylon & Synthetic Rope which is used for trellising tomatoes, Cucumbers, Capsicum, and other Vine plants. It is used with tomato clips to help hold up to the plants. The Trellising Rope helps to keep vegetables off the ground which reduces damage caused by a ground insect. It helps in increasing Production and decreasing disease. It is quick and easy to use for polyhouse, shade net house, and Open-field production.

Plant Supporting Thread

We are a remarkable entity in this domain, engaged in offering a qualitative assortment of Cucumber, Tomato, Capsicum Plant Supporting Thread.

1 Kilogram Plant Supporting Thread Price Is 180 Rs. 

 

Tomato Clip

We “Shri Ji Green” supply Imported plants (Cucumber, Tomato, Capsicum) Clips for supporting the plant in Poly house and Shade Net house.

1 Piece Tomato Clip Price Is 0.35 Paise 

 J Hook

We “Shri Ji Green” manufacturer and supply J hook to Polyhouse & Shade Net House Farmer who grow Cucumber, Tomato, and Capsicum under the Polyhouse/Greenhouse & Shade net house for Supporting the plant.

1 Piece Polyhouse j Hook Price Is 2 Rs.

Vegetable Crop

Vegetable farming is the growth in Polyhouses of vegetables for human consumption. The farmer grows the vegetable crop in polyhouse like cucumber, tomato & capsicum.

How to Apply Subsidies

The Government of India is trying to promote poly house farming all over the country by introducing polyhouse farming subsidies via the Horticulture department. The government of India & the State Government are support subsidies of around 50% to 70% is provided on the entire project cost of the polyhouse/ greenhouse. You can find all the necessary guidelines and information on National Horticulture Board (NHB) and National Horticulture Mission (NHM) Website. National Horticulture Board to online registration file process.Commercial Horticulture Development in protected cultivation project select. Cost of Application submits subsidy Fees – (Non- Refundable).

S NO	Cost of Application for Poly House / Shade Net House	By Fees
1.	Project Cost Upto Rs 20.00 Lakh	Rs. 2000
2.	More than Rs 20.00 lakh and up to Rs 50.00 lakh	Rs. 5000
3.	More than Rs 50.00 lakh and up to Rs 100.00 lakh	Rs. 10000
4.	More than Rs100.00 lakh and up to Rs 150.00 lakh	Rs. 15000
5.	More than Rs 150.00 lakh and up to Rs 200.00 lakh	Rs. 20000
6.	More than Rs 200.00 lakh	Rs. 50000

 

Apply for Bank Loan

Bank provides Loan 60% -85% total project cost, and most bank 10% – 12% interest calculate for the 5–6 year period, for poly house & shade net house. The subsidy is the backend. Bank requirements for a poly house loan.

List of The Bank Provide Loan

1. 1. 1. State Bank of India
      2. Punjab National Bank
      3. Bank of India
      4. Bank of Baroda
      5. IDBI Bank
      6. Canara Bank
      7. Central Bank of India

Poly house Documents

National Horticulture Board is required for polyhouse subsidy the applicant document. The Board will be provided a subsidy of 50% complete work with NHB norms.

 

Applicant	1. Self-attested PAN card / Voter Card if available
	2. Self-attested Aadhaar of Applicant. In case of non-possession to follow the procedure prescribed DAC&FW vide F.No.18-38/2018- MIDH (AAP) Dated 1st August 2018.
	3. In case of Company/Society/ Trust / Partnership firm –  Registration Certificate, MoA, BoD resolution permitting investment proposal.
	4. Caste certificate in case of SC and Certificate in case of ST- self-attested.
	5. Undertaking from Promoter/ Applicant in the prescribed format. (Link)
2. Land	6. Project Land ownership in the name of Applicant with clear survey No. and Plot. In case the land ownership details are not in Hindi, the applicant has to submit an English version of the same self-attested by the applicant (or) Registered land lease with clear survey  No.  and Plot on the name of Applicant and entry in RoR with latest record self-attested. In case the land lease details are not in Hindi, the applicant has to submit an English version of the same self-attested.
	7. If the applicant is one or a few of the joint owners of project land then NOC from other co-owners indicating the share of each co-owner to be submitted.
	8. In the case of a Partnership firm, if the land is owned by one of the partners, an undertaking by landowners/partners would be required stating that he will not withdraw, sale or transfer his land during the currency period of the project.
	9. In the case of North East/Sikkim States, the Land Possession Certificate issued by Government to the applicant shall also qualify.
	10. A copy of TSP Area Notification- self-attested
3. Project	11. Detail Project Report (on the suggestive lines of NHB Model  DPRTemplates)
	12. Site layout plan (Blueprint) in case of Ripening Chamber/ Primary Processing/ Cold Storage schemes prepared by Chartered Engineer.
	13. Basic Data Sheet including heat load calculation in case of Cold Storage, Ripening chamber & Refer Van schemes where ever applicable.
	14. Technical standard/specification in the prescribed format in case of Protected cultivation i.e. Poly house & shade net house
	15. Compliance to Protocols where ever applicable

Poly House Cost

Item	Polyhouse Cost Norms
Commercial Horticulture Development in Protected cover.	Rs. 11200000 Per project covering the area above 2500 Square Meter
Protected Cultivation Green House Structure
1.    Fan & Pad Poly House	Rs. 1400 Per Square Meter and Rs. 1610 Per Square Meter for hilly states
2.    Naturally ventilated Poly House
I.               Tubular Type Poly House Structure	Rs. 844 Per Square Meter and Rs. 970 Per Square meter for hilly states
II.             Wooden Poly House Structure	Rs. 540 Per Square meter and Rs. 621 Per Square meter  for hilly states
III.            Bamboo Poly House Structure	Rs. 450 Per Square meter and Rs. 518 Per Square meter  for hilly states
Shade Net House
i.               Tubular Shade Net House Structure	Rs. 710 Per Square Meter and Rs. 816 Per Square meter for hilly states
ii.              Wooden Shade Net House  Structure	Rs. 492 Per Square meter and Rs. 566 Per Square meter  for hilly states
iii.             Bamboo Shade Net House Structure	Rs. 360 Per Square meter and Rs. 414 Per Square meter  for hilly states
Plastic Tunnel	Rs. 60 Per Square meter and Rs. 75 Per Square meter for hilly states
Walk-in Tunnel	Rs. 600 Per Square meter
Anti-Bird / Anti Hail Nets	Rs 35 Per Square meter
Cost of Planting Material and cultivation of High-Value vegetables grown in Poly House/Shade net House	Rs. 140 Per Square meter
Cost of Planting Material and cultivation of Orchid and Anthurium is grown in Polyhouse/Shade net house	Rs. 700 Per Square meter
Cost of Planting Material and cultivation of Carnation and Gerbera are grown in Polyhouse/Shade net house	Rs. 610 Per Square meter
Cost of Planting Material and cultivation of Rose and Lilium grew in Polyhouse/Shade net house	Rs. 426 Per Square meter
Plastic Mulching	Rs. 32000  Hector and Rs. 36800  Hector for Hilly Areas
Cost of Land	Rs. 50000  Per Acre.
Land Development	Rs. 50000  Per Acre
Irrigation Infrastructure	Tube-well up to Rs. 250000 per unit
Civil Infrastructure	Packhouse 400000 (Size: 9 x 6 Meter)
	Labour Quarter / Store Room Rs 20000 per acre
Vermi Compost unit	Rs. 60000  per unit for the permanent structure
Plastic Mulching	Rs. 12800 per acre
Bed Preparation Cost in the cases requiring Soil replacement	Rs. 100  per Square meter

Poly house Subsidy

Polyhouse cost for 1 acre in India. The government will be provided a maximum of Rs. 56 Lakh. subsidy on  1-acre polyhouse .

Poly house costing
Cost of the project	Amount in Rs
POLY HOUSE STRUCTURE WITH IN-HOUSE DRIP IRRIGATION
(i) Green House Structure Cost @Rs 844 per meter with Drip Irrigation with fogger and Misting	33,76,000
Cost of Plastic Mulching	13,000
Cost of Pipeline	60,000
Cost of Water Harvesting Farm Pond prepared with a 500-micron plastic sheet	3,00,000
Cost of Pack House ( Size 9m x 6m)	4,00,000
Farming Equipment	40,000
LAND DEVELOPMENT (Levelling , Diggin of Pits, Fencing & gates)	50,000
BED PREPARATION INCLUDING SOIL REPLACEMENT	4,00,000
Cacumber Plantetion 3 Cycle/ year	2,00,000
Input cost ie Labour, Fertilizer , Manure and Pesticides	2,00,000
Cost of Labour	2,00,000
GRAND TOTAL	52,39,000

Poly House Material

Poly House Material
Gi Pipe	2 MM Thickness
Shade Net	100 GSM Tape x Tape
Insect Net	40 Mesh
Apron	160 GSM
Plastic film	200 Micron
Drip Irrigation	16 MM Inline
Fogging System	4 Way

Traditional farming practices are no longer sufficient to meet the growing demand for food. With the world’s population expected to reach 9 billion by 2050, farmers must produce more food than ever before. However, traditional farming methods have several limitations. For instance, they are susceptible to weather changes and pests, which can lead to reduced yields. Moreover, traditional farming practices require large tracts of land, which is becoming scarce due to urbanization and industrialization. As a result, there is a need for modern agricultural practices that can produce more food using fewer resources.

Necessity of polyhouse:

Polyhouses, also known as greenhouses, are structures made of materials like polyethene that allow farmers to create a controlled environment for their crops. They are becoming increasingly popular among farmers due to their many benefits. Here are some of the reasons why a polyhouse might be necessary:

1. Protection from extreme weather conditions: One of the main reasons why polyhouses are necessary is to protect crops from extreme weather conditions. Heavy rain, hail, and strong winds can damage crops, and prolonged exposure to extreme temperatures can negatively impact plant growth. Polyhouses protect from these conditions and help maintain a consistent climate for the plants to grow in.
2. Pest and disease control: Polyhouses provide a barrier that can help keep pests and diseases at bay. This is particularly important for crops that are vulnerable to certain pests or diseases. With a polyhouse, farmers can create an environment that is less hospitable to these threats and reduce the likelihood of crop damage or loss.
3. Increased crop yield: Polyhouses allow farmers to control various factors that affect plant growth, such as temperature, humidity, and light. By creating an optimal environment for the plants, farmers can increase the yield of their crops. This can lead to higher profits and a more sustainable business model.
4. Extended growing season: Polyhouses can extend the growing season for crops by protecting them from the harsh outdoor environment. This means that farmers can grow crops all year round, which can be particularly beneficial in areas with short growing seasons.
5. Efficient use of resources: Polyhouses allow farmers to use resources like water and fertilizers more efficiently. By controlling the environment, farmers can reduce the amount of water and fertilizer needed to grow their crops, saving money and reducing environmental impact.
6. Higher-quality crops: By controlling the growing environment, polyhouses can produce higher-quality crops. This is particularly important for crops sensitive to temperature or humidity changes. Farmers can produce more uniform crops with a higher market value by maintaining a consistent environment.
7. More sustainable farming: Polyhouses can be part of a more sustainable farming model. By using fewer resources and producing higher yields, farmers can reduce their environmental impact and improve the sustainability of their operations. Additionally, polyhouses can help protect against climate change by providing a more stable environment for crops to grow in.

In conclusion, polyhouses are an essential tool for modern farmers looking to improve the efficiency and sustainability of their operations. By providing protection from extreme weather conditions, pests and diseases and creating an optimal growing environment, polyhouses can increase crop yield, quality, and profitability. Additionally, they can be part of a more sustainable farming model that uses resources more efficiently and reduces.

 

How to maintain a polyhouse:

A polyhouse is a structure made of transparent material that is used to grow plants and crops in a controlled environment. It is an excellent way to protect plants from harsh weather conditions, pests, and diseases while providing optimal growing conditions. Proper maintenance of a polyhouse is essential to ensure the best possible growth and yield of crops. In this article, we will discuss step-by-step how to maintain a polyhouse.

 

Step 1: Clean the polyhouse regularly:

The first step in maintaining a polyhouse is to clean it regularly. Remove any debris, such as dead leaves, from the floor and surrounding areas. Clean the walls, roof, and gutters to remove any dirt, dust, or algae. This will help prevent the growth of pests and diseases and keep the environment healthy for the plants.

 

Step 2: Control the temperature:

Temperature control is an essential factor in the maintenance of a polyhouse. In hot weather, it is essential to provide proper ventilation to prevent the temperature inside the polyhouse from rising too high. In cold weather, heating systems must be used to suit the temperature. Proper temperature control will help ensure optimal plant growth.

 

Step 3: Manage humidity levels:

Humidity is another critical factor in maintaining a polyhouse. High humidity can lead to the growth of moulds and fungi, which can harm the plants. Proper ventilation and air circulation can help to manage humidity levels. Installing a dehumidifier can also be an effective way to control humidity.

 

Step 4: Water and fertilize the plants:

Proper watering and fertilization are essential for the healthy growth of plants in a polyhouse. Water the plants regularly and ensure they get the right amount of nutrients. Use organic fertilizers or slow-release fertilizers to provide the necessary nutrients to the plants.

 

Step 5: Manage pests and diseases:

Pests and diseases can quickly spread in a polyhouse, so it is essential to monitor and manage them carefully. Regularly inspect the plants for signs of pests or diseases, such as yellowing leaves or spots. To control pests, use organic pest control methods, such as natural predators or insecticidal soaps. If diseases are detected, remove infected plants immediately to prevent the spread of the disease.

 

Step 6: Prune the plants:

Pruning is essential to maintaining the plants’ health in a polyhouse. Regular pruning helps to remove dead or diseased plant material, promote healthy growth, and control the size and shape of the plants. Use clean, sharp pruning tools to avoid damaging the plants.

 

Step 7: Monitor the pH levels:

The pH level of the soil can have a significant impact on plant growth. It is essential to regularly monitor the soil’s pH levels in the polyhouse. Adjust the pH level with the appropriate soil amendments if it is too high or too low.

 

Step 8: Maintain the irrigation system:

The irrigation system is critical to maintaining the health of the plants in a polyhouse. Check the irrigation system regularly to ensure that it is working correctly. Clean the system to remove any dirt or debris that may be blocking the pipes or emitters. Replace any damaged or worn-out parts of the irrigation system.

 

Step 9: Check for structural damage:

Inspect the polyhouse regularly for any signs of structural damage, such as cracks or leaks. Repair any damage immediately to prevent further damage to the polyhouse and ensure the safety of the plants.

 

Step 10: Keep records:

Keeping records of the maintenance activities, plant growth, and yield is essential to improve the management of a polyhouse. Keep track of watering and fertilizing schedules, pest and disease control measures, and temperature and humidity levels. Use this information to make adjustments and improve the maintenance of the polyhouse.

 

Types of Polyhouse Covering Materials:

There are several types of materials commonly used for covering polyhouses. Here are some of the main types:

1. Polyethylene Film: Polyethylene (PE) film is a popular choice for polyhouse covering due to its affordability, flexibility, and ease of installation. It comes in different thicknesses and qualities, offering varying levels of light transmission and durability. PE film is lightweight, UV-stabilized to resist degradation from sunlight, and provides insulation for temperature control.
2. Polycarbonate Sheets: Polycarbonate (PC) sheets are known for their excellent durability and impact resistance. They offer high light transmission, often around 90%, making them ideal for maximizing sunlight in polyhouses. PC sheets are available in different thicknesses and structures, such as multi-wall or corrugated sheets, and they provide good insulation properties for temperature regulation.
3. Acrylic Sheets: Acrylic sheets, also known as polymethyl methacrylate (PMMA), are transparent and provide high light transmission similar to Glass. They have good UV resistance, which protects plants from harmful radiation. Acrylic sheets are lightweight, durable, and can be easily molded into various shapes. However, they may require additional insulation to retain heat effectively.
4. Glass: Glass has been a traditional choice for polyhouse covering. It offers excellent clarity and light transmission, allowing maximum sunlight into the structure. Glass provides durability and longevity but is heavier and more expensive than other materials. It requires a strong frame to support its weight and can break if not handled carefully.
5. Fiberglass Panels: Fiberglass panels consist of reinforced plastic with embedded glass fibers. They provide good light transmission, insulation, and durability. Fiberglass panels are lightweight and resistant to impact, making them suitable for polyhouse structures. However, prolonged exposure to UV radiation can cause them to become brittle over time.
6. ETFE Film: Ethylene Tetrafluoroethylene (ETFE) film is a transparent, lightweight, and highly durable material. It offers excellent light transmission, similar to Glass, and is known for its self-cleaning properties. ETFE film resists UV radiation, chemicals, and extreme weather conditions. It can also be inflated to create a cushioning effect for improved insulation.

These are some of the main types of polyhouse covering materials used in agriculture. Each material has its own unique properties and benefits, and the choice depends on factors such as cost, climate conditions, crop requirements, and desired performance.

Properties and characteristics of polyhouse covering materials:

Polyhouse covering materials possess different properties and characteristics that impact their performance and suitability for use. Here are some fundamental properties and characteristics of polyhouse covering materials:

1. Light Transmission: The ability of a covering material to transmit sunlight is crucial for plant growth. Different materials have varying levels of light transmission, which can affect the amount and quality of light reaching the plants. High-light transmission promotes photosynthesis and optimal growth.
2. UV Stability: Ultraviolet (UV) stability refers to a material’s resistance to degradation caused by UV radiation. UV stability is important as excessive exposure to UV rays can cause deterioration and reduced lifespan of the covering material. UV-stabilized materials protect plants from harmful UV radiation and prevent premature ageing of the covering.
3. Insulation Properties: The insulation properties of a covering material influence its ability to retain heat within the polyhouse. Good insulation helps maintain optimal temperature levels for plant growth, especially in colder climates. Materials with higher insulation properties minimize heat loss and reduce energy consumption for heating.
4. Durability: The durability of a covering material determines its resistance to wear, tear, and damage from external factors such as wind, hail, and debris. A durable material can withstand harsh weather conditions and maintain its integrity over time. Durability impacts the lifespan of the covering and reduces the need for frequent replacements.
5. Transparency and Clarity: Transparency and clarity refer to the material’s ability to allow clear visibility into the polyhouse and transmit light without distortion. High transparency and clarity enable proper plant growth monitoring, facilitate crop inspections, and enhance overall aesthetics.
6. Flexibility and Ease of Installation: Flexibility and ease of installation are important considerations for covering materials, especially for structures with complex shapes or curved surfaces. Materials that are easy to handle and install save time and labour during the construction process.
7. Cost-effectiveness: The cost-effectiveness of a covering material encompasses its initial purchase cost, maintenance requirements, and lifespan. Materials that balance cost and performance well provide long-term economic benefits.
8. Condensation Control: Some covering materials may experience condensation buildup, leading to reduced light transmission and increased disease risks. Materials with anti-condensation properties or coatings help minimize condensation and maintain a favourable microclimate within the polyhouse.
9. Environmental Impact: The environmental impact of a covering material considers factors such as its production process, recyclability, energy consumption, and carbon footprint. Sustainable and eco-friendly materials reduce the ecological footprint of the polyhouse and align with sustainable agriculture practices.

Understanding these properties and characteristics can aid in selecting the most appropriate covering material for a polyhouse based on specific needs, climate conditions, crop requirements, and budget constraints.

 

Comparison of Polyhouse Covering Materials

Here’s a comparison table outlining the characteristics of different polyhouse covering materials:

Covering Material	Light Transmission	UV Stability	Insulation Properties	Durability	Transparency/Clarity	Flexibility	Cost-effectiveness	Condensation Control	Environmental Impact
Polyethylene Film	Varies (depending on quality)	UV-stabilized options available	Moderate insulation properties	Moderate durability may require periodic replacement	Good transparency, but clarity may decrease over time	Highly flexible and easy to install	Cost-effective	Moderate condensation control	Varies depending on recyclability and production process
Polycarbonate Sheets	High	Good	Good insulation properties	High durability, long lifespan	Excellent transparency and clarity	Limited flexibility requires proper framing	Relatively higher cost	Good condensation control	Varies depending on recyclability and production process
Acrylic Sheets	High	Good	It may require additional insulation	Moderate durability	Excellent transparency and clarity	Flexible and easy to mould	Moderate to high cost	It may require additional measures for condensation control	Varies depending on recyclability and production process
Glass	High	N/A	Low insulation properties	Very high durability and long lifespan	Excellent transparency and clarity	Rigid, requires strong framing	Higher cost	Good condensation control	Varies depending on recyclability and production process
Fiberglass Panels	Moderate to high	UV-stabilized options available	Moderate insulation properties	Moderate durability	Good transparency and clarity	Lightweight and flexible	Moderate cost	Good condensation control	Varies depending on recyclability and production process
ETFE Film	High	Good	Good insulation properties	High durability, long lifespan	Excellent transparency and clarity	Flexible and lightweight	Higher cost	Good condensation control	Varies depending on recyclability and production process

Please note that the table provides a general overview; specific products or variations within each material category may have different characteristics. It is essential to consider specific product specifications, quality, and manufacturer recommendations when selecting a covering material for a polyhouse.