Variability of cereal yields: sources of change and implications for agricultural research and policy

by 42718 Anderson, J.R., 76594 Hazell, P.B.R., 66078 Evans, L.T.
Published 1987

Variability of cereal yields: sources of change and implications for agricultural research and policy

by 42718 Anderson, J.R., 76594 Hazell, P.B.R., 66078 Evans, L.T.

Yield variability in cereals; concluding assessment

by 66078 Evans, L.T., 76594 Hazell, P.B.R., 9533 IFRI, Washington, D.C. (EUA), 7206 DSE/ZEL, Feldafing (Alemania)
Published 1986