共 22 条
[1]
BEAUFILS E. R., 1971, Fertilizer Society of South Africa Journal, V1, P1
[2]
Beaufils E. R., 1976, Proceedings, South African Sugar Technologists' Association, P118
[3]
BEAUFILS ER, 1973, 1 U NAT SOIL SCI B
[4]
Geraldson C.M., 1973, SOIL TESTING PLANT A, P365
[5]
Gosnell J. M., 1971, Proceedings of the 45th Annual Congress, South African Sugar Technologists' Association., P217
[6]
Jones J.B., 1973, SOIL TESTING PLANT A, P349
[7]
LINTNER J, 1967, FERTILIZER INVESTIGA
[8]
LOCKMAN R B, 1972, Communications in Soil Science and Plant Analysis, V3, P295, DOI 10.1080/00103627209366379