共 13 条
[2]
Faust H., 1967, ISOTOPENPRAXIS, V3, P100, DOI 10.1080/10256016708622391
[3]
ITO O, 1976, Soil Science and Plant Nutrition, V22, P181, DOI 10.1080/00380768.1976.10432979
[7]
PATE J. S., 1962, Plant and Soil, V17, P333, DOI 10.1007/BF01377672
[8]
PATE J S, 1973, Soil Biology and Biochemistry, V5, P109, DOI 10.1016/0038-0717(73)90097-7
[10]
PROBYN TA, 1978, THESIS U CAPE TOWN