共 11 条
- [1] Choudhary B., 1967, VEGETABLES, P122
- [2] Jokobren I, 1985, PHYSL PLANTS, V64, P190
- [3] Kumar J., 2000, THESIS CCS U
- [4] Patel T. S., 1998, Crop Research (Hisar), V15, P54
- [5] Prasad R. N., 1989, ARKEL PROG HORT, V21, P208
- [6] Rao C. S., 2001, Fertiliser News, V46, P37
- [8] Singh S, 2004, INDIAN J AGRON, V49, P57
- [9] Svoboda J., 1971, Acta Universitatis Agriculturae, Brno, Facultas Agronomica, A, V19, P51
- [10] Tandon H.L.S., 2007, PRACTICAL SULPHUR GU, P1