Crop rotation helps save the soil. Sometimes we let the field go fallow for a season.
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Contour farming is a method of farming where crops are planted across the slope of the land to reduce soil erosion. The rows of crops act as barriers that slow down the flow of water, preventing it from washing away the soil. This technique helps to conserve soil and water resources in hilly or sloping terrain.
Plowing.
The technique you seek is crop rotation.
The technique you seek is crop rotation.
No till farming and cover crops.
Plant grass and trees
If you mean the technique of becoming dependent on petroleum based chemicals in the soil and on plants, the answer is BAD.
soil
conserve soil.