Question

A farmer was using lot of fertilizers for the improvement of his produce from the field. List any two harmful effects of fertilizers on environment. How will you convince him to restrict the use of fertilizers?

Answer 1

Answer:

leaching

toxicity of minerals

Explanation:

excessive usage of fertilizers cause toxicity of certain minerals like toxicity of manganese and iron leading to harm of crops

excessive usage could lead to the leaching of minerals into the water table and consumption of this water (from handpumps or tube wells ) leads to various health problems

for e.g. excessive use of nitrate fertilizers may cause leaching leading to consumption of nitrate ions which combine with hemoglobin to form stable compound hence causing dec.  efficiency  of the respiratory system.