Question

how abiotic factor and biotic factor affect the produce of food grains​

Answer 1

1) Abiotic factors: The abiotic factors means the non-living things like temperature, moisture, soil, water etc. They affect the growth of different crops. For example, rice requires more water as compared to wheat. Inappropriate moisture and temperature in the place of storage also affect the stored grains. These factors cause degradation in quality, loss in weight, poor germinability, discolouration of produce, all leading to poor marketability. 2) Biotic factors: Biotic factors means the living things. The biotic factors like insects, fungi, nematodes, etc. cause diseases in the plants while the earthworms and nitrogen fixing bacteria help to improve the fertility of the soil. Thus, it is essential to control the growth of insects, fungi and nematodes. The rodents at the place of storage also affect the grains.

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Answer 2

Biotic factor :

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.

Abiotic factors:

abiotic factors such as temperature, wind, rain etc. affect the net crop production.

For example :humidity damage the crop when its needed full dryness.

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