共 13 条
- [1] 11TH P INT C INT SOI, 1988, Patent No. 8717469
- [2] Bower C.A, 1965, METHODS SOIL ANAL, P933, DOI DOI 10.2134/AGRONMONOGR9.2.C11
- [5] BREWSTER JL, 1990, ACTA HORTIC, V267, P289
- [6] BREWSTER JL, 1990, ONIONS ALLIED CROPS, V2, P1
- [8] COSTIGAN PA, 1988, P FERTILISER SOC, V274
- [9] GREENWOOD DJ, 1989, FERT RES, V18, P153, DOI 10.1007/BF01049511
- [10] HENRIKSEN K, 1987, ACTA HORTIC, V208, P207