H. A. Elwell

A case for farmer support research

H. A. Elwell, 1992 .

Parameters for estimating annual runoff and soil loss from agricultural lands in Rhodesia

H. A. Elwell, M. Stocking, M. A. Stocking, 1975 .

No-till tied-ridging: a recommended sustained crop production system

A. J. Norton, H. A. Elwell, A. Norton, 1988 .