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    • Modelling soil changes under agroforestry 

      Cheatle, Rodney J; Muraya, Peter; Young, Anthony; Thomas, D. B; Biamah, E.K; Kilewe, A. M; Lundgren, L; Mochoge, B. O (1989)
      In the older approach to soil conservation, the emphasis was on controlling the rate of soil loss, expressed as tonnes per hectare or millimeters of soil depth. Conservation measures were directed at reducing erosion to a ...