共 25 条
[11]
MATHUR SP, 1977, CAN J SOIL SCI, V57, P384
[13]
MATHUR SP, CRC HDB NUTRITION FO
[14]
Mckeague J.A., 1976, MANUAL SOIL SAMPLING
[15]
PARKS PF, 1963, J ASSOC OFF AGR CHEM, V46, P836
[16]
RAYMENT AF, 1977, 17TH P MUSK RES C SA
[17]
Rowell M. J., 1973, Soil Biology and Biochemistry, V5, P699, DOI 10.1016/0038-0717(73)90062-X
[20]
SKUJINS J, 1976, Critical Reviews in Microbiology, V4, P383, DOI 10.3109/10408417609102304