Poly house farming is slowly gaining popularity in India. A farmer can make a huge profit from agriculture polyhouse farming. But many people aren’t aware of what exactly is a Polyhouse construction company or Naturally Ventilated Greenhouse hence today in this blog we will tell you all about Naturally Ventilated polyhouse and its benefits. So let’s start;
- Fruits that can be grown are Papaya, Strawberry, etc.
- Vegetables that can be grown include Cabbage, Bitter Gourd, Capsicum, Radish, Cauliflower, Chili, Coriander, Onion, Spinach, Tomato, etc.
- Flowers like Carnation, Gerbera, Marigold, Orchid and Rose can also be easily grown.
Benefits of polyhouse:
- Your plants are grown under controlled temperature thus there are fewer chances of crop loss or damage.
- You can grow crops throughout the year and will not have to wait for any particular season.
- There are fewer pests and insects in a polyhouse wall covering.
- The external climate will not have any impact on the growth of crops.
- The quality of produce is obviously higher in Fan Pad Polyhouse.
- Good drainage and aeration
- Propagation of Ornamental Crops can also be done effortlessly in a polyhouse & the Government will be supported it in Polyhouse subsidy.
- Poly House gives the right environmental facilities to your plants in any season.
- It also increases yield by about 5 to 10 times.
- Less cropping period
- Fertilizer application is easier and is controlled automatically with the help of drip irrigation.
- Uniform and better quality
- Reduction in labor cost
- Less fertilizer requirement, thus reduction in fertilizer cost.
- Low water requirement thus saving in water.
- Fewer chances of disease attack, thus reduction in disease control cost.
- Higher Efficiency of Water & Fertilizer Use.
- Cultivation in problematic soil conditions.
- Cultivation in problematic climate conditions.
- Requires less area to get maximum yield and benefits.
- Easy to operate, maintain & control.
- Galvanized Steel Construction.
Poly house price decides by Shri Ji Green. Three types of price of polyhouse.
- 4000 Sqm. Poly house with planting price Rs. 984 INR Per Square meter Structure with drip irrigation system and vegetable crop. as like cucumber, capsicum & tomato.
- 4000 Sqm. Poly house price Rs. 844 INR Per Square meter Structure with Drip irrigation System.
- 4000 Sqm. Poly house price Rs. 750 INR Per Square meter Structure without an Irrigation system
POLYHOUSE: Definition, Purpose, and Advantages:
Definition: A polyhouse, also referred to as a greenhouse, is a structure made of translucent materials, such as glass or plastic, that creates a controlled environment for plant cultivation. It provides an enclosed space where temperature, humidity, and light levels can be regulated to optimize plant growth.
Purpose: The primary purpose of polyhouses is to extend the growing season, protect plants from harsh weather conditions, and create an ideal environment for their growth. By controlling the climate within the structure, polyhouses allow for year-round cultivation and provide a range of benefits for farmers and horticulturists.
Polyhouses offer several advantages over traditional open-field cultivation methods, including:
- Year-round crop production: Polyhouses enable farmers to grow crops throughout the year, irrespective of seasonal limitations, by providing a controlled environment.
- Climate control: The temperature, humidity, and light levels inside polyhouses can be adjusted to create optimal growing conditions for various crops.
- Protection from extreme weather: Polyhouses shield plants from adverse weather conditions, such as frost, hail, strong winds, or heavy rains, minimizing crop damage.
- Pest and disease control: The enclosed environment of polyhouses acts as a physical barrier against pests and diseases, reducing the need for chemical interventions and improving crop health.
- Water conservation: Polyhouses can conserve water by minimizing evaporation and enabling efficient irrigation practices. The enclosed structure helps retain moisture, reducing the amount of water required for crop growth.
- Improved crop quality and yield: By providing an optimal growing environment, polyhouses can enhance crop quality, increase yields, and promote consistent growth.
- Crop diversification: Polyhouses enable the cultivation of a wide range of crops that may not be suitable for open-field farming due to climate limitations. This allows farmers to diversify their products and meet market demands.
- Economic viability: Polyhouse cultivation can offer higher returns on investment due to increased productivity, extended growing seasons, and better crop quality, making it financially rewarding for farmers.
- Research and experimentation: Polyhouses provide controlled conditions for research, allowing scientists and researchers to study plant growth, test new varieties, and develop innovative cultivation techniques.
- Environmental sustainability: Polyhouses can contribute to sustainable agriculture practices by reducing the use of pesticides, conserving water resources, and optimizing resource utilization.
Polyhouses have revolutionized modern agriculture by overcoming climate constraints and providing a controlled environment for year-round crop production, ultimately benefiting farmers, consumers, and the agricultural industry as a whole.
Types of Polyhouses: Variations in Design and Materials Used:
Polyhouses, or greenhouses, come in various designs and can be constructed using different materials. These variations allow for customization based on specific needs and growing conditions. Here are the different types of polyhouses:
1. Quonset Greenhouses:
- Quonset greenhouses have a semi-circular or hoop-shaped design.
- They are made using galvanized steel or aluminum frames covered with polyethylene plastic.
- These structures are cost-effective, easy to construct, and offer good light transmission.
2. Gable Greenhouses:
- Gable greenhouses have a traditional, sloped-roof design resembling a house.
- They provide ample headroom and vertical space for tall plants.
- The frames can be made of wood, steel, or aluminum, and the glazing material can be glass or polycarbonate.
3. A-Frame Greenhouses:
- A-frame greenhouses have a triangular shape, resembling the letter “A.”
- They are lightweight and suitable for small-scale operations or home gardening.
- The frames are typically of wood, while the glazing material can be glass or plastic.
4. Gothic Arch Greenhouses:
- Gothic arch greenhouses have a high, rounded roof design.
- The shape allows for better snow and wind load resistance.
- The frames can be of galvanize steel or aluminum, and the glazing material is usually polycarbonate or polyethylene.
5. Lean-To Greenhouses:
- Lean-to greenhouses attach to existing structures, such as walls or buildings.
- They are space-efficient and require less construction material.
- The glazing material can be glass or plastic, and the design complements the existing structure.
6. Sawtooth Greenhouses:
- Sawtooth greenhouses have a distinctive roof design with multiple peaks and valleys, resembling a saw blade.
- This design maximizes light exposure and allows for better ventilation.
- They are commonly in commercial operations and require professional installation.
7. Multi-Span Greenhouses:
- Multi-span greenhouses consist of multiple interconnect sections or bays.
- They allow for scalability and flexibility in terms of size and crop management.
- These structures are often used for large-scale commercial cultivation.
8. Material Variations:
- Greenhouses can be glaze with various materials, including glass, polycarbonate, polyethylene, or acrylic.
- Glass provides excellent light transmission and durability but can be more expensive.
- Polycarbonate offers good insulation, impact resistance, and light diffusion.
- Polyethylene is a cost-effective option suitable for temporary or low-budget structures.
By selecting the appropriate design and materials, farmers can customize their polyhouses to meet their specific requirements, environmental conditions, and crop preferences.
Challenges and Limitations of Polyhouse Farming:
Polyhouse farming, despite its numerous advantages, also presents specific challenges and limitations. Farmers need to be aware of these factors and implement appropriate strategies to overcome them.
Here are some of the common challenges and mitigation strategies in polyhouse farming:
1. Initial Investment:
- Setting up a polyhouse requires a significant initial investment, including the cost of construction materials, climate control systems, and irrigation infrastructure.
- Mitigation: Farmers can explore options such as government subsidies, grants, or financing programs to reduce the financial burden. Conducting a thorough cost-benefit analysis and long-term planning can also help ensure a return on investment.
2. Maintenance and Operating Costs:
- Polyhouses require ongoing maintenance, such as cleaning, repairs, and regular monitoring of environmental parameters.
- Energy costs for heating, cooling, and ventilation can also add to the operational expenses.
- Mitigation: Proper training of personnel in maintenance practices can help reduce repair costs. However, Implementing energy-efficient technologies, such as using renewable energy sources or improving insulation, can lower energy consumption and minimize operational expenses.
3. Pest and Disease Management:
- The enclosed environment of polyhouses can create a favorable breeding ground for pests and diseases.
- Inadequate pest control measures can lead to crop damage and reduced yields.
- Mitigation: Integrated Pest Management (IPM) practices, including the use of biological controls, crop rotation, and regular monitoring, can help minimize pest and disease outbreaks. Proper hygiene practices, such as regular cleaning and disinfection, can also prevent the spread of diseases.
4. Environmental Control and Climate Variability:
- Maintaining optimal environmental conditions within a polyhouse can be challenging, particularly in regions with extreme weather conditions or high climate variability.
- Fluctuations in temperature, humidity, and light levels can impact crop growth and productivity.
- Mitigation: Investing in advanced climate control systems, such as automated ventilation and shading, can help regulate temperature and humidity. Installing sensors and using data-driven technologies can aid in real-time monitoring and adjustment of environmental parameters.
5. Crop Selection and Crop Rotation:
- Continuous cultivation of the same crop in a polyhouse can lead to nutrient imbalances, pest build-up, and decrease soil fertility.
- Crop rotation may be limited due to space constraints and specific environmental requirements of certain crops.
- Mitigation: Implementing a crop rotation plan that includes compatible crop combinations and proper soil management practices can help prevent disease outbreaks and maintain soil health. Researching suitable crop alternatives that thrive in the polyhouse environment can also provide diversification opportunities.
6. Water Management:
- Efficient water management is crucial in polyhouse farming, as excessive or insufficient irrigation can impact crop growth and quality.
- Limited water availability or poor water quality can pose additional challenges.
- Mitigation: Employing precision irrigation techniques, such as drip irrigation or hydroponics, can optimize water usage. Further more, Collecting and storing rainwater or implementing water recycling systems can help mitigate water scarcity issues. Monitoring soil moisture levels and implementing moisture sensors can aid in efficient irrigation scheduling.
7. Knowledge and Skills:
- Successful polyhouse farming requires specialize knowledge and skills in climate control, crop management, and environmental monitoring.
- Lack of proper training and expertise can hinder optimal operation and productivity.
- Mitigation: Farmers should invest in training programs, workshops, or partnerships with agricultural experts to acquire the necessary knowledge and skills. In addition, Collaborating with local agricultural extension services or universities can provide valuable support and guidance.