共 50 条
- [2] AVAILABLE PHOSPHORUS IN INTERTROPICAL SOILS - ITS RELATION WITH PHOSPHORUS DETERMINED BY 2 CHEMICAL-EXTRACTION METHODS AGRONOMIE TROPICALE, 1987, 42 (04): : 248 - 257
- [3] Availability of silicon from several sources as determined by chemical and biological methods SOIL AND CROP SCIENCE SOCIETY OF FLORIDA PROCEEDINGS, 1999, 58 : 109 - 113
- [6] Extraction methods and availability of phosphorus for soybean in soils from Parana State, Brazil SEMINA-CIENCIAS AGRARIAS, 2012, 33 (03): : 1005 - 1013
- [7] Phosphorus availability in high pH soils Natural Resources and Life Sciences Education, 1994, 23 (01):