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Article
A chronosequence study of purple paddy soils with respect to improving ammonium and potassium fertilization management
Purple paddy soils cover about 66% of the paddy soils in Sichuan Basin. Complex interactions made the effects of potassium fertilizer application on NH4+ adsorption more complicated and the behavior of NH4+ and K
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Article
Potassium supply capacity response to K-bearing mineral changes in Chinese purple paddy soil chronosequences
Purple paddy soils are important for food production. Their potassium (K) supply capacity affects rice yields through its effect on nutrient availability. We hypothesize that changes in soil mineralogy can inf...