Question

Fertilizers are used on farmlands to increase the nutritive quality of soil and thus, the crop productivity. However, they greatly impact our environment in negative ways. A fertilizer Industry is planning to release nitrate free or reduced nitrate containing fertilizer to make it more environment friendly. This control of nitrate rich fertilizers is necessary because 

A. Nitrates cause acid rain, killing trees and fishes when released in the environment. 

B. They decrease the natural fertility of the soil. 

C. Nitrates may lead to excessive growth of water plants. 

D. It poisons different crop plants.

Answer 1

As nitrogen is an essential element for plant growth and development; however, due to environmental pollution, high nitrate concentrations accumulate in the edible parts of these leafy vegetables, particularly if excessive nitrogen fertilizer has been applied. Consuming these crops can harm human health.