共 18 条
[5]
BRETELER H, 1973, Netherlands Journal of Agricultural Science, V21, P227
[7]
FINDENEGG GR, 1986, NETH J AGR SCI, V34, P371
[9]
FINDENEGG GR, 1982, PLANT NUTRITION 1982, V1, P174
[10]
HOUBA V J G, 1971, Netherlands Journal of Agricultural Science, V19, P39