共 48 条
- [3] ASHBY DL, 1969, J AM SOC HORTIC SCI, V94, P266
- [4] BAHN RC, 1959, P AM SOC HORTIC SCI, V73, P289
- [5] BEAUFILS E. R., 1971, Fertilizer Society of South Africa Journal, V1, P1
- [6] BOSWELL F C, 1972, Communications in Soil Science and Plant Analysis, V3, P243, DOI 10.1080/00103627209366373
- [7] CHAPMAN H. D., 1950, HILGARDIA, V19, P501
- [8] Chapman HD, 1965, DIAGNOSTIC CRITERIA