共 27 条
- [2] AIKMAN JM, 1929, U NEBR STUDIES, V26, P1
- [3] BARKLEY T.M., 1968, MANUAL FLOWERING PLA
- [5] BELLO AB, 1979, THESIS KANSAS STATE
- [6] BRAY J. R., 1964, Advances in Ecological Research, V2, P101, DOI 10.1016/S0065-2504(08)60331-1
- [8] THE MINERAL-NUTRITION OF WILD PLANTS [J]. ANNUAL REVIEW OF ECOLOGY AND SYSTEMATICS, 1980, 11 : 233 - 260
- [9] CHAPMAN H. D., 1961, Methods of Analysis for Soils, Plants and Waters.
- [10] Destruction of organic matter in plant material by the use of nitric and perchloric acids [J]. INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1935, 7 : 0185 - 0186