共 13 条
[1]
Acland J. O., 1973, Proceedings of the New Zealand Grassland Association, V34, P259
[2]
Campbell M. H., 1974, Agricultural Gazette of New South Wales, V85, P36
[3]
CHAPMAN AL, 1969, 1968 1969 CSIRO DIV, P68
[4]
COMEAU JE, 1974, CAN AGR, V19, P6
[5]
DAVIDSON P C, 1974, Tropical Grasslands, V8, P59
[6]
Heymann W., 1973, Tagungsbericht, Akademie der Landwirtschaftswissenschaften der Deutschen Demokratischen Republic, P25
[7]
ISLER DA, 1960, POWER PRODUCE YB AGR, P157
[8]
Kuizenga J., 1976, Bedrijfsontwikkeling, V7, P116
[9]
LEONARD WH, 1963, CEREAL CROPS, P81