Teff (Eragrostis tef) production constraints on Vertisols in Ethiopia : farmers' perceptions and evaluation of low soil zinc as yield-limiting factor Access Information
Scale of nutrient patchiness mediates resource partitioning between trees and grasses in a semi-arid savanna Access Information
Termite activity, not grazing, is the main determinant of spatial variation in savanna herbaceous vegetation Access Information
Interactive effects of ungulate herbivores, soil fertility, and variable rainfall on ecosystem processes in a semi-arid savanna Access Information
Adding a soil fertility dimension to the global farming systems approach, with cases from Africa Access Information
Cattle manure and grass residues as liming materials in a semi-subsistence farming system Access Information
Soluble organic matter and microbial biomass C and N in soils under pasture and arable management and the leaching of organic C, N and nitrate in a lysimeter study Access Information
Ecosystem services and agriculture : Cultivating agricultural ecosystems for diverse benefits Access Information
Implementing the millennium development food security goals - Challenges of the southern African context Access Information
