Answer:
The correct answer will be- such as poor water management and nutrient management leads to 70-90% reduction in the yield.
Explanation:
The productivity of the crops is directly influenced by both biotic factors and abiotic factors.
The factors which are living and reduces the yield of the crops creates biotic stress like pest and disease which result in 10-30% loss in the yield o crops.
The factor which is non-living and creates stress for the crops is known as abiotic stress like poor water and nutrient management which leads to the loss of 70-90% productivity.
