Question

How do biotic and abiotic factors affect crop production?

Answer 1

Biotic factors
A variety of biotic factors such as pests, nematodes, diseases, etc. can reduce the net crop production causing huge economic loss.

1. Pest – These cause damage to agriculture by feeding on crops. For example, boll weevil is a pest of cotton. It attacks the cotton crop, thereby reducing its yield.
2. Weeds – Weeds also reduce crop productivity by competing with the main crop for nutrients, light, and space.

Abiotic factors

1. Abiotic factors such as salinity, temperature, etc. affect the net crop production.
2. Natural calamities such as droughts and floods are unpredictable and their occurrence has a great impact on crops, sometimes destroying the entire crop.