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Fertilidad de Suelos, Diagnostico y Control. [Monograph]
Mojica, F.S. \ 1980
computer techniques - erosion - soil conservation - Colombia
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Suelos Salios y Elementos Secundarios. Memorias del VI Coloquio de Suelos. Vol. X, no. 2., 1979. [Monograph]
Mojica, F.S. \ 1979
computer techniques - erosion - soil conservation - South America - Colombia
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Memorias del V Coloquio de Suelos. Potasio y Micronutrientes en la Agricultural Colombiana. Vol. XI, no. 2. [Monograph]
Mojica, F.S. \ 1978
computer techniques - erosion - soil conservation - South America - Colombia
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