available potassium

available potassium, Total:12 items.

The international standard classification for "available potassium" includes: Chemical characteristics of soils , Manganese ores .

The Chinese standard classification for "available potassium" includes: Soil and fertilizer in general , Water and soil conservation , Manganese ore .

Professional Standard - Agriculture

NY/T 889-2004 Determination of exchangeable potassium and non-exchangeable potassium content in soil
NY/T 1849-2010 Method for determination of ammonium nitrogen,available phosphorus and rapidly-available potassium in acid soil—Universal extract-colorimetric method
NY/T 301-1995 Determination of Rapidly Available Potassium in Organic Fertilizer
NY/T 1848-2010 Method for determination of ammonium nitrogen,available phosphorus and rapidly-available potassium in neutrality or calcareous soil—Universal extract-colorimetric method

JC 217-1980 Determination of Available Potassium Oxide in Cement Kiln Ash Potassium Fertilizer

DB32/T 1875-2011 Indexes of Abundance and Deficiency of Soil Available Phosphorus and Available Potassium in Huaibei Agricultural Area
DB32/T 2273-2012 Indexes of Abundance and Deficiency of Soil Available Phosphorus and Available Potassium in Lixiahe Agricultural Area
DB32/T 2602-2013 Indexes of Abundance and Deficiency of Soil Available Phosphorus and Available Potassium in Agricultural Areas Along the River
DB32/T 2272-2012 Indexes of Abundance and Deficiency of Soil Available Phosphorus and Available Potassium in Hilly Agricultural Area
DB32/T 1876-2011 Indexes of Abundance and Deficiency of Soil Available Phosphorus and Available Potassium in Agricultural Area of Taihu Lake
DB32/T 2601-2013 Indexes of Abundance and Deficiency of Soil Available Phosphorus and Available Potassium in Coastal Agricultural Areas

GB/T 1507-2006 Manganese Ores - Determination of active oxygen content - Potassium dichromate titrimetric method