共 9 条
- [2] CASSEL HM, 1955, 1183 US BUR MIN DIV
- [3] Kononova M.M, 1969, SOIL ORGANIC MATTER
- [4] PIRET EL, 1960, P R DUBLIN SOC A, V1, P69
- [5] SCHWARTZ EG, 1965, CHEM PHYSICS INTERFA, P65
- [6] UPCHURCH R. P., 1962, WEEDS, V10, P9, DOI 10.2307/4040550
- [8] WARREN GF, 1968, 8 M WEED SCIENC SOC
- [9] SODIUM HUMATE SOLUTION STUDIED WITH SMALL-ANGLE X-RAY SCATTERING [J]. SCIENCE, 1967, 157 (3795) : 1429 - &