Respuesta :
The purpose of strip cropping is to prevent soil erosion.
What is strip cropping?
Strip cropping involves cultivating a field partitioned into long, narrow strips following the natural contours of the terrain to prevent wind and water erosion of the soil.
Apart from improving fertility of soil, strip cropping reduces soil erosion. Due to the strip of soil in between the crops, erosion of wind and water is prevented as the strip in between serves as a break in the movement of both water and wind.
What is soil erosion?
Soil erosion is a process of movement and transport of the upper layer of soil also called topsoil by different agents particularly water, wind, and mass movement causing its deterioration in the long term.
Soil erosion decreases soil fertility, which can negatively affect crop yields.
The preventive measures should be taken for soil erosion. Some of them are
- Plant trees on barren lands to limit erosion of soil.
- Preventing excessive grazing.
- Mulch matting can be used to reduce erosion on the slopes.
- Prevention of deforestation.
Thus, Strip cropping method is used when a slope is too steep or too long, or otherwise, when one does not have an alternative method of preventing soil erosion.
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