Cassava physiology and crop management.

abonos absorption de substances nutritives altura biomasa biomass biomasse carbon dioxide china chine clone clones colombia colombie conservation des sols cover plants cropping systems cultivo intercalado culture intercalaire dioxyde de carbone drought stress engrais erosion fertilidad del suelo fertilizers feuille fitomejoramiento germoplasma germplasm grafting greffage hauteur height hojas indonesia injerto intercropping labranza leaves leguminosae manihot esculenta nutrient uptake ph photosynthese photosynthesis plant breeding plantas de cobertura plante de couverture potentiel hydrique productividad productivity racine recherche research resistance to injurious factors roots selection sistemas de cultivo soil conservation soil fertility tailandia thailand tillage transpiration travail du sol water potential