Question

A) Use of chemical like fertilisers, pestici ies and weedicides affect our health. Explain.
B) Excessive irrigation can damage the crop. Explain how?​

Answer 1

Explanation:

A) they are toxic both for humans and pests. But the intensity of toxicity is less on humans coz it get churned out by our liver but still its harmful because it contains harmful chemicals.

B) excess water can increase weed pres- sure and create an environment favorable to diseases. Crop growth and yield can also be impeded when over-irrigation: disturbs the oxygen balance of the root zone, drowns roots, reduces plant water uptake, and thus stresses plants.

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