Influence of nutrient management strategies on variability of soil fertility, crop yields and nutrient balances on smallholder farms in Zimbabwe
S. Zingore, H.K. Murwira, R.J. Delve, K.E. GillerVolume:
119
Year:
2007
Language:
english
Pages:
15
DOI:
10.1016/j.agee.2006.06.019
File:
PDF, 1.04 MB
english, 2007