Shading Factors and Agronomic Uses
Agro shade nets are manufactured with varying degrees of weave density to filter sunlight. Selecting the appropriate shading factor is decisive for different horticultural crops and farm operations.
Modulating photosynthetically active radiation (PAR) inside the shade structure prevents leaf scorching and reduces transpiration stress.
- 35% Shade Net: Ideal for light-loving vegetables like tomatoes, chillies, and bell peppers needing mild sun protection during peak summer.
- 50% Shade Net: Recommended for vegetable nurseries, shade-loving flowers (gerbera, carnation), and hardening facilities.
- 75% Shade Net: Used for ornamental indoor foliage plants, orchids, mushroom cultivation sheds, and dairy cattle loafing areas.
- 90% Shade Net: Suited for vermicompost shading, vehicle parking sheds, and perimeter construction windbreaks.
Structural Installation and Subsidy Support
Shade nets must be stabilized with UV additives to withstand intense solar radiation over multiple agricultural seasons. They are installed on galvanized iron (GI) pipe structures or treated bamboo frameworks.
Routine maintenance and structural anchoring guard against tearing during pre-monsoon squalls and storms.
- Ensure proper tensioning to avoid sagging and mechanical tearing during high monsoon winds.
- Clean accumulated dust and debris periodically with clean water to maintain optimal light transmission.
- Financial assistance: Subsidies for shade net houses are available under the Mission for Integrated Development of Horticulture (MIDH) and state horticulture departments.
Official source
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Common questions
What does the percentage rating mean in a green shade net?
The percentage indicates the fraction of direct sunlight filtered out by the net; for instance, a 50% net blocks half the incident sunlight and transmits 50%.
Which shade net percentage is best for vegetable nurseries?
A 50% green shade net is standard for vegetable seed germination and nursery seedling raising across Indian conditions.
Are subsidies available for setting up shade net houses?
Yes, state horticulture departments provide subsidies for protected cultivation shade net structures under the central MIDH scheme.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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