共 8 条
[2]
CHRISTIANSEN GS, 1950, ARCH BIOCHEM, V26, P230
[4]
Kononova M.M, 1969, SOIL ORGANIC MATTER
[5]
NITSCH J. P., 1962, ANN PHYSIOL VEG [PARIS], V4, P211
[8]
Snedecor G.W., 1980, STAT METHODS