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Three farmers in a village face different challenges in their fields. Ramesh struggles with Parthenium (gajar ghas) overtaking his vegetable crops. Sumit notices insects damaging his flowering plants. Meanwhile, Raj deals with a fungal infection affecting his fruit trees. Each farmer seeks effective management strategies to ensure healthy harvests.
Write the modes by which insects affect the crop yield.
Why should preventive measures and biological control methods be preferred for protecting crops?
Why should preventive methods and biological control methods be preferred for protecting crops?
Name the farming system in which only such above mentioned methods are followed.
How does manure improve the soil structure of sandy and clayey soil?
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