TY  - JA
AU  - Kawonga,W.T.
AU  - Heisey,P.W.
TI  - Response of four maize varieties to nitrogen at Lisungwi extension planning area, Mwanza, Malawi
PY  - 1992///
CY  - Zimbabwe
PB  - CIMMYT
KW  - Nitrogen
KW  - AGROVOC
KW  - Maize
KW  - Varieties
KW  - Malawi
T2  - Farming Systems Bulletin Eastern and Southern Africa
ER  -