How to determine the degree of soil fertility

Soil fertility can be divided into two types according to forming factors

Divided into natural fertility and artificial fertility, the two do not conflict, but complement each other. Only the combination of natural fertility and artificial fertility can win high yields.

1 Natural fertility: Natural fertility usually refers to uncultivated land. Formed by the influence of natural conditions such as climate, topography, biology, and soil parent material, it is natural for nature.

2 artificial fertility: Artificial fertility includes the soil fertility formed by human factors in our farming activities such as cultivation, fertilization, and irrigation.

3 fertility factors: nutrients, moisture, air, heat.

Identify soil fertility with tips

Identify from the soil itself

1 Viewing: The soil with sufficient fertility has a deeper color, such as the northeastern black soil, which is very fertile.

2 Views: The soil with sufficient fertility is usually more than 60 cm.

3 view of soil: sufficient fertility of the soil soil loose, easy to cultivate.

4 Strong water retention: The soil with sufficient fertility has strong water retention capacity, slow water infiltration, and long maintenance time.

In addition, fertile soil is not easy to be starched, and soil cracks are numerous and small.

Identify from outside the soil

1 If a piece of land grows more red-headed sauce, goosegrass, valerian and other plants, then it is a loam; savannah grows such as yew, grass, three-edge grass, wild orchids, wild onions and the like.

2 There are snails, muddy grasshoppers, grasshoppers, big grasshoppers, etc. for the fat soil; there are mostly small ants, large ants, etc. for lean soil.

3 There is a night tide, dry and wet, not easy to dry and hard for the fat soil; no night tide phenomenon, soil hardening hardening for the lean soil.

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