共 21 条
- [1] [Anonymous], ENCY BRITTANICA
- [2] ARTIS B, 1916, CHEM NEWS, V113, P3
- [3] ARTIS B, 1920, CHEM NEWS, V121, P13
- [5] CROWTHER C, 1913, J AGR SCI, V5, P391
- [6] Sulphur content of soils and its relation to plant nutrition - Contributions from the hull botanical laboratory 297 [J]. BOTANICAL GAZETTE, 1922, 74 (1-4): : 32 - 58
- [7] ERDMAN GW, 1922, SOIL SCI, V14, P363
- [8] FRIED HSJ, 1923, CHEM NEWS, V126, P113
- [9] HART EB, 1911, WIS AGR EXP STA RES, V14, P1
- [10] JOHNSON EM, 1924, J AM SOC AGRON, V16, P353