共 19 条
- [1] CHADWICK LC, 1940, P AM SOC HORT SCI, V38, P269
- [2] Fowells H. A., 1943, JOUR FOREST, V41, P685
- [4] HITCHCOCK AE, 1942, P AM SOC HORT SCI, V40, P282
- [5] MACDOUGAL DT, 1940, YB AM PHIL SOC, V214
- [6] PEARSE HL, 1939, 1938 REP EAST MALL R, P157
- [7] RICHARDSON S. D., 1957, Proceedings. Koninklijke Nederlandse Akademie van Wetenschappen, V60, P624
- [8] RICHARDSON S. D., 1953, Proceedings. Koninklijke Nederlandse Akademie van Wetenschappen, Ser. C, V56, P185
- [9] ROBBINS WILLIAM J., 1938, BOT GAZ, V99, P671, DOI 10.1086/334743
- [10] ROBBINS WJ, 1951, PLANT GROWTH SUBSTAN