Landscape-scale variability of soil health indicators: effects of cultivation on soil organic carbon in the Usambara Mountains of Tanzania
Putative storage root specific promoters from cassava and yam: cloning and evaluation in transgenic carrots as a model system
Working with communities and building local institutions for sustainable land management in the Ethiopian highlands
Fríjol y poroto, ib y pallar: distribución de sus diversidades silvestres y cultivadas en los Andes y Mesoamérica