Treatment of area and yield in the condition of mixed cropping in African agriculture.
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| Format: | Texto biblioteca |
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1963
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| Subjects: | ST AGS AF, AGRICULTURE, MIXED CROPPING, YIELDS, SURVEYING, WORKERS, AGRICULTURAL SECTOR, FARM SURVEYS, NIGERIA, FORECASTING, CROPS, CLASSIFICATION, FARM AREA, CULTURE EN MELANGE, AGRICULTURA, CULTIVO MIXTO, RENDEMENT, RELEVE (DES DONNEES), TRAVAILLEUR, SECTEUR AGRICOLE, ENQUETE SUR EXPLOITATIONS AGRICOLES, TECHNIQUE DE PREVISION, PLANTE DE CULTURE, SURFACE D'EXPLOITATION, RENDIMIENTO, PROCEDIMIENTO DE LA ENCUESTA, OBREROS, SECTOR AGRARIO, ENCUESTAS SOBRE EXPLOTACIONES, TECNICAS DE PREDICCION, CULTIVOS, CLASIFICACION, SUPERFICIE DE LA EXPLOTACION, |
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