compost pile
4.Water supply is artificially produced from deep well, dumps, and II.
the use of water motors.
A. artificial
D. spring
B. manual
5. The organic component of soil, formed by the decomposition of leaves and
other plant material by soil microorganisms.
A. compost B humus C. green manure
D. vermi compost
6.A pile of garden and organic kitchen refuse which decomposes to produce
compost.
A. compost pile
C. humus
B. green manure
D. vermi compost
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4. A. artificial
5. B. humus
6. A. compost pile