共 25 条
[2]
BHUVANESWARI K., 1957, PROC INDIAN ACAD SCI SECT B, V45, P299
[4]
CHANG SC, 1964, MINERAL NUTRITION RI, P373
[8]
Dyer B., 1894, J CHEM SOC, V65, P115
[10]
HINGSTON FJ, 1968, 9 INT C SOIL SCI AD