Question

1.What is the effect
of excessive use
of fertilizer on
water
soil
crop production
2. how should we use it judiciously​

Answer 1

1.When manure or commercial fertilizers enter surface water, the nutrients they release stimulate microorganism growth. The growth and reproduction of microorganisms reduce the dissolved oxygen content of the water body. Without sufficient dissolved oxygen in surface water, fish and other aquatic species suffocate.

2.in a way that shows good judgment or discernment; wisely or prudently:Food labels are required for a reason, and I use them judiciously to avoid chemicals and ingredients I don't want in my body.