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Evaluation of Nitrogen Availability Based on the Amount of Extractable Soil Organic Nitrogen and Suggestion for the Proper Fertilization in Rain Shelter-grown Spinach
fertilization manure compost nitrogen uptake sulfate-extractable organic nitrogen
2010/11/24
Absorbance at 280 nm in soil extracts with 0.4 M sulfate solution was highly correlated with the concentration of total N in the extracts of different soils. Therefore, we proposed an easy detection p...