Under open field conditions it is very difficult to grow vegetables successfully in the rainy season due to very high incidence of viruses, insects/pests, fungal and bacterial diseases. Similarly, several abiotic stresses caused by extreme temperature, high humidity and high radiation also do not permit successful vegetable cultivation under open environment during the rainy and post-rainy seasons. But some low-cost protected technologies like insect-proof net house, shade net house and zero energy naturally-ventilated greenhouses are highly suitable for successful cultivation of common and high-value vegetables both during the rainy and post-rainy seasons.
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