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MacLean R.H., J.A. Litsinger, K. Moody, and A. Watson. 1992. The impact of alley cropping Gliricidia sepium and Cassia spectabilis on upland rice and maize production. Agroforestry Systems 20: 213-228.

Green manuring, mulching, rice blast, soil erosion control, acid uplands, crop nutrition

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