共 41 条
- [31] Reactive Fe controls the relative amount of PO4 extracted from acidic soils by NaHCO3 and by acidic fluoride.: I.: Soils without recent P additions (vol 35, pg 355, 1997) AUSTRALIAN JOURNAL OF SOIL RESEARCH, 1998, 36 (02):
- [32] ORGANIC-COMPONENTS IN ARGENTINE SOILS .3. EXTRACTION OF HUMIC ACIDS BY CHELATING RESIN AND ALKALI AGROCHIMICA, 1981, 25 (3-4): : 286 - 297
- [38] Mehlich 3 method as substituent to the HCl method for extraction of Copper and Zinc in soils from Southern Brazil with high levels of organic matter CIENCIA RURAL, 2012, 42 (07): : 1200 - 1203