DO U THINK RETAINING SUBSTANCE IN THE FIELD HELPS THE SOIL ? IF SO HOW ?
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Retaining stubble decreases erosion by lowering wind speed at the soil surface and decreasing water run-off. ... Stubble is approximately 45 % carbon by weight and therefore represents a significant input of carbon to soil. It can take decades for retaining stubble to increase the amount of total organic carbon in soil.
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One of the important benefits of stubble retention is reduced soil erosion. Retaining stubble decreases erosion by lowering wind speed at the soil surface and decreasing water run-off.
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