The soil: conserving the soil, improving the soil
Exists also in Arabic
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Format: | Texto biblioteca |
Language: | |
Published: |
1970
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Subjects: | SOIL TREATMENT, SOIL CONSERVATION, EXTENSION ACTIVITIES, EROSION CONTROL, EROSION, CONTOUR CULTIVATION, COVER PLANTS, TERRACE CROPPING, CROP ROTATION, FALLOW SYSTEMS, GREEN MANURES, FERTILIZERS, FERTILIZER APPLICATION, TRAITEMENT DU SOL, CONSERVATION DES SOLS, VULGARISATION, TRATAMIENTO DEL SUELO, CONSERVACION DE SUELOS, EXTENSION, LUTTE ANTIEROSION, CULTURE EN COURBE DE NIVEAU, PLANTE DE COUVERTURE, CULTURE EN TERRASSE, ROTATION CULTURALE, SYSTEME JACHERE, ENGRAIS VERT, ENGRAIS, FERTILISATION, CONTROL DE LA EROSION, CULTIVO EN CURVAS DE NIVEL, PLANTAS DE COBERTURA, CULTIVO EN TERRAZAS, ROTACION DE CULTIVOS, SISTEMAS CON BARBECHO, ABONOS VERDES, ABONOS, APLICACION DE ABONOS, |
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Summary: | Exists also in Arabic |
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