共 12 条
[1]
AWASTHI PK, 1977, FERTIL NEWS, V22, P44
[4]
Jackson M. L., 1967, SOIL CHEM ANAL, P134
[5]
Khanna S. S., 1979, B INDIAN SOC SOIL SC, V12, P545
[6]
Kononova M.M., 1961, SOIL ORGANIC MATTER
[7]
MISHRA MM, 1984, TROP AGR, V61, P174
[8]
MISHRA MM, 1982, INDIAN J AGR SCI, V52, P674
[9]
MISHRA MM, 1983, TROP PLANT SCI RES, V1, P221
[10]
RASTOGI R C, 1976, Journal of the Indian Society of Soil Science, V24, P175