Diagnosis and correction of soil nutrient problems of common beans (Phaseolus vulgaris) in the Usambara mountains of Tanzania
A tool for community-based assessment of the implications of development on water security in hillside watersheds
A field evaluation using the (15)N isotope dilution method of lines of Phaseolus vulgaris L. bred for increased nitrogen fixation
Pathogenic Variability inPyricularia griseaat a Rice Blast "Hot Spot" Breeding Site in Eastern Colombia