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Effect of different factors on nitrogen solubility of coated urea


Effect of different factors on nitrogen solubility of coated urea



Journal of Zhejiang University Agriculture and Life Sciences 27(3): 307-310



Two forms of coated urea (CU1, CU2) consisted of granule urea coated with high molecular polymer in different thickness were used to study the effect of soil moisture, ion concentration and temperature on nitrogen solubility. Results indicated that the nitrogen solubility of CU was affected by soil moisture contents and ion concentration of soil solution. Nitrogen release rate hardly changed when soil moisture reached to saturation or more.

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