共 16 条
- [1] BENNETT OL, 1967, USDA1372 TECH B
- [3] Cochran W.G., 1957, EXPT DESIGNS
- [6] GRIMES DW, 1969, AGRON J, V61
- [7] HAMILTON J. et al., 1956, Soil Science, V20, P246, DOI 10.2136/sssaj1956.03615995002000020026x
- [8] HANSON R. G., 1956, AGRON JOUR, V48, P573