Question

state four effect of biotic abiotic factor during storage of grain

Answer 1

(a) Biotic factors like insects, rodents, fungi, mites and abiotic factors like inappropriate temperature and moisture cause degradation in quality, loss in weight, poor germination, discolouration of produce, all leading to poor marketability

Answer 2

A variety of biotic factors such as pests, nematodes, diseases, etc. can reduce the net crop production. A pest causes damage to agriculture by feeding on crops. For example, boll weevil is a pest on cotton. It attacks the cotton crop, thereby reducing its yield. Weeds also reduce crop productivity by competing with the main crop for nutrients, light, and space.

Similarly, abiotic factors such as salinity, temperature, etc. affect the net crop production. Some natural calamities such as droughts and floods are unpredictable. Their occurrence has a great impact on crops sometimes, destroying the entire crop