Plant and Soil · 1972 · 15 citations · 7 references
AgricultureEarth SciencesSoil SciencesSoil BiogeochemistrySoil ChemistrySoil ScienceCation Exchange CapacityNitrogen Fixation In SoilsNutrient Retention In SoilsSoil AlkalinitySoil Nitrogen ChemistrySoil Phosphorus ChemistryBiological Potassium ReleasePotassium Cycling In SoilsPotassium ImmobilizationSoil Potassium AvailabilitySoil Potassium Pools
7
Fixation and Defixation of Ammonium in Soils
Hans Nõmmik · Acta Agriculturae Scandinavica · 1957 · 95 citations
Determination of fixed ammonium in soil
J. M. Bremner · The Journal of Agricultural Science · 1959 · 74 citations