Which of the following is incorrect for green manure?
A
It supplies organic matter.
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B
It supplies nitrogen.
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C
It prevents soil erosion.
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D
It allows leaching.
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Solution
The correct option is D It allows leaching.
Green manure supplies organic matter and nutrients to the plants and soil. Thus, it is a source of organic matter. They are also rich sources of nitrogen. They help in maintaining the level of soil and prevents erosion. So, all the options A, B, and C are correct.
Green manure does not allow draining away of soil through water percolation. So, option D is wrong.