共 14 条
[1]
BALASUBRAMANIAN V, 1977, 1977 FAO WORKSH ORG
[2]
BALASUBRAMANIAN V, 1978, SAMARU MISC PAPER, V76
[3]
BALASUBRAMANIAN V, NIGER J AGRIC SCI
[4]
Bertrand R., 1972, Agronomie Tropicale, V27, P1287
[5]
Bremner J.M., 1965, METHODS SOIL ANAL PA, P1149
[6]
BUNTING A. H., 1960, JOUR AGRIC SCI, V55, P35, DOI 10.1017/S0021859600021584
[7]
De N. K., 1976, Indian Journal of Agronomy, V21, P209
[9]
JANSSON SL, 1975, POT REV