The soil: how to improve the soil - Better farming series 6, 1976 ed.
Illus.;
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Format: | Texto biblioteca |
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Rome (Italy) FAO
1976
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Subjects: | DRAINAGE, IRRIGATION, FERTILIZERS, SOIL TREATMENT, AGRONOMY, EXTENSION ACTIVITIES, SOIL FERTILITY, NPK FERTILIZERS, FERTILIZER APPLICATION, ENGRAIS, TRAITEMENT DU SOL, AGRONOMIE, VULGARISATION, DRENAJE, RIEGO, ABONOS, TRATAMIENTO DEL SUELO, AGRONOMIA, EXTENSION, FERTILITE DU SOL, ENGRAIS NPK, FERTILISATION, FERTILIDAD DEL SUELO, ABONOS NPK, APLICACION DE ABONOS, |
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