共 11 条
[1]
ALEXANDER LT, 1932, USDA TECH B, V317
[2]
Arndt F, 1935, ORG SYNTH, V15, P3
[3]
A REVIEW OF RECENT WORK ON SOIL ORGANIC MATTER .1.
[J].
JOURNAL OF SOIL SCIENCE,
1951, 2 (01)
:67-82
[4]
CLARK EP, 1932, J ASS OFFIC AGR CHEM, V15, P136
[5]
EISTERT B, 1948, SYNTHESES DIAZOMETHA
[7]
MCGEORGE WT, 1931, ARIZ AGR EXP STA TEC, V31
[8]
MITCHELL J, 1932, J AM SOC AGRON, V24, P256, DOI DOI 10.2134/AGRONJ1932.00021962002400040002X
[10]
RATHER JB, 1917, ARK AGR EXP STA B, V140