共 14 条
- [2] ERKAMA J, 1947, ROLLE KUPFER MANGAN
- [3] GOODALL DW, 1947, TECH COMM IMP BUR HO, V17
- [5] Relation of hydrogen-ion concentration to growth of chlorella and to the availability of iron [J]. BOTANICAL GAZETTE, 1926, 81 (1-4): : 353 - 376
- [6] Determination and behavior of ferrous iron in soils [J]. SOIL SCIENCE, 1941, 51 (01) : 249 - 263
- [7] Mineral and nitrogen content of the leaves of some forest trees at different times in the growing season [J]. BOTANICAL GAZETTE, 1932, 94 : 381 - 393
- [8] MCMURTREY JE, 1938, YB USDA, P807
- [10] The exchange of dissolved substances between mud and water in lakes [J]. JOURNAL OF ECOLOGY, 1941, 29 : 280 - 329