Variability of cereal yields; sources of change and implications for agricultural research policy
Anderson, Jack R.
Variability of cereal yields; sources of change and implications for agricultural research policy
Sobretiro de : Food Policy 12 (3) : 199-212, 1987
67004
Cereales--Rendimiento.
Política agrícola.
Variability of cereal yields; sources of change and implications for agricultural research policy
Sobretiro de : Food Policy 12 (3) : 199-212, 1987
67004
Cereales--Rendimiento.
Política agrícola.