Question

how do biotic and abiotic factors affect crop production

Answer 1

Biotic factors such as pests, insects and diseases reduce the crop production. A pest causes damage to our crops by feeding. Weeds also reduce crop productivity by competing with the main crop for nutrients and light.
Similarly, abiotic factors such as temperature, wind, rain etc. affect the net crop production. For example droughts and floods have a great impact on crops sometimes, destroying the entire crop.

Answer 2

Biotic factors such as diseases, insets and nematodes and abiotic factors such as drought,salinity,water logging.,heat cold,and Frost cause stress on crop plant this result in the decrease of crop production Sometimes these stresses under different situation may cause destruction of the whole crop plant

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