共 19 条
[2]
BAVER HP, PLANT SOIL, V37, P689
[3]
BEATON JD, 1968, 14 SULPH I TECH B, P32
[4]
CHAPMAN HD, 1961, METHODS ANALYSIS SOI
[5]
GAUR BL, 1971, SOIL SCI PLANT ANALY, V2, P259
[8]
Mathur P. N., 1973, Biochemie und Physiologie der Pflanzen, V164, P509
[9]
Pipper C.S., 1950, SOIL PLANT ANAL, V1st, P47
[10]
RICHARDS LA, 1954, USDA60 HDB