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Zone subtropicale --- Subtropical zones --- Région d'altitude --- highlands --- Système de culture --- cropping systems --- Agriculture biodynamique --- Biodynamic agriculture --- Fertilité du sol --- soil fertility --- Travail du sol de conservation --- Conservation tillage --- Biologie du sol --- Soil biology --- Résidu de récolte --- Crop residues --- Performance de culture --- Crop performance --- AGR Agriculture --- thesis --- tropical agriculture --- sustainable management
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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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