Problems of improving soil fertility by the use of green manuring in the tropical farming system
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| Format: | Texto biblioteca |
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1975
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| Subjects: | FAO SIDA, AGL TMOF, FARMING SYSTEMS, GREEN MANURES, SOIL FERTILITY, FERTILIZERS, SYSTEME D'EXPLOITATION AGRICOLE, ENGRAIS VERT, FERTILITE DU SOL, SISTEMAS DE EXPLOTACION, ABONOS VERDES, FERTILIDAD DEL SUELO, ENGRAIS, ABONOS, |
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