Question

farmers are advised by experts to add more manure then fertilizer however sometimes fertilizers are added by farmer for some reason

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Answer 1

Answer:

In  most cases farmers are advised to add more manure than fertilizers. But sometimes fertilizers are added by farmers for some reasons. The reasons are as follows :-

1. Fertilizers are added in soil because they consist of many nutrients. All the nutrients in our food originally come from fertilizers.

2. Farmers turn fertilizers because they have plenty of nutrients such as nitrogen, phosphorus and potassium. These nutrients supplement required elements found naturally in the soil.

3. Some times Weeds also grow with crop plants which competes them with sunlight, water and air. Weedicides are sprayed in crops to kill these plants.

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Answer 2

Explanation:

1 manure:

1 manure increase the water holding capacity of soil.

2 the number of microbs increase in the soil.

2fertilizer :

1 they are quick in providing plant nutrients and restoring soil fertility.

2 fertilizer improve and increase the productivity of many crops such as wheat, maize, and rice.

3 compost:

1 compost help to increase the productivity of soil.

2 compost does not affect the food chain

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