Question

v) Humans is the vital factor that makes soil fertile​

Answer 1

Human is the vital factor that makes the soil fertile:

1.Crops need nutrients just like people do.

2.A fertile soil will contain all the major nutrients for basic plant nutrition (e.g., nitrogen, phosphorus, and potassium), as well as other nutrients needed in smaller quantities (e.g., calcium, magnesium, sulfur, iron, zinc, copper, boron, molybdenum, nickel).

3.Soil fertility can be further improved by incorporating cover crops that add organic matter to the soil, which leads to improved soil structure and promotes a healthy, fertile soil.

4.By using green manure or growing legumes to fix nitrogen from the air through the process of biological nitrogen fixation; by micro-dose.

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