共 8 条
- [1] ALLEN L. H., 1965, AGRON J, V57, P575
- [2] BAKER DONALD N., 1964, CROP SCI, V4, P127, DOI 10.2135/cropsci1964.0011183X000400020001x
- [3] LEMON EDGAR R., 1960, AGRON JOUR, V52, P697
- [4] TAMM E., 1959, Zeitschrift fur Acker- und Pflanzenbau, V107, P275
- [5] UCHIJIMA Z., 1964, Bull. natn. Inst. agric. Sci., Tokyo, P19
- [8] WRIGHT JL, 1965, THESIS CORNELL U