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Travail du sol conventionnel --- Conventional tillage --- Non-travail du sol --- Zero tillage --- Travail du sol de conservation --- Conservation tillage --- Fertilité du sol --- soil fertility --- Bilan hydrique du sol --- Soil water balance --- Mauvaise herbe --- Weeds --- Zone semi-aride --- Semiarid zones --- Stock semencier du sol --- soil seed banks --- Surveillance --- monitoring --- Fertilisation --- Fertilizer application --- Mulch --- Mulches --- Analyse coût avantage --- Cost benefit analysis --- République-Unie de Tanzanie --- United Republic of Tanzania --- 631.51 --- 631.559 --- 631.11 <678> --- Soil preparation and ploughing --- Harvest yield --- Farms, farm properties and farming systems--Tanzania --- Theses --- 631.11 <678> Farms, farm properties and farming systems--Tanzania --- 631.559 Harvest yield --- 631.51 Soil preparation and ploughing
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Musa --- Zea mays --- Plante de culture associée --- Companion crops --- Légumineuse légumière --- Vegetable legumes --- Légumineuse fourragère --- Feed legumes --- Biomasse --- biomass --- Résidu de récolte --- Crop residues --- Fertilité du sol --- soil fertility --- Facteur de rendement --- Yield factors --- Mulch --- Mulches --- Désherbage --- Weed control --- Adaptation de la production --- Adjustment of production --- Mucuna pruriens --- Macrotyloma axillare --- République-Unie de Tanzanie --- United Republic of Tanzania --- 631.11 <678> --- 631.153.7 --- 634.771 --- Farms, farm properties and farming systems--Tanzania --- Changes in cultivation and production. Conversion to other systems --- Musa species in general --- Theses --- 634.771 Musa species in general --- 631.153.7 Changes in cultivation and production. Conversion to other systems --- 631.11 <678> Farms, farm properties and farming systems--Tanzania --- Tephrosia candida --- Crotalaria grahamiana
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