Question

Describe alternative farming practices that do not use chemically intensive methods for:
(a) Nutrient enrichment:
(b) Pest control:

Answer 1

nutrients enrichment

Answer 2

a)no-till farming method allow the development of organic material and nutrient enrichment by way of leaving crop residues and planting cover crops. 

b) pest control could be naturally done through live organisms (biological pest control) which uses predation, parasitism and herbivory to control pest populations