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Effect of Lime Nitrogen on the Transformation of Ureain SoilsEnglish Full Text

HE NIAN-ZU; YU SHEN; YE ZHI-QIAN; OUYANG HANG and XIONG JIN-SHAN(Depariment of Land Science and APPlied Chemistry, Zhejtang Agricultural University, Hangzhou 310029( China)(Institrte of Soil Science, Academia Sintica, Nanjing 210008 (China)(Juhua Gr

Abstract: Laboratory incubation experiment was conducted to study the effect of lime nitrogen(LN) on transfor-mation of iirea-N in three paddy soils. The results showed that LN had an inhibitory effect on urease activityin these soils especially in the first 5 days, and that in the first 20 days of incubation, the amount of NH-Nderived from urea was lower in the soil with LN than in the soil without LN. While after 30 days the ainountof NH-N was higher in the mature ... More
  • Series:

    (D) Agriculture

  • Subject:

    Fundamental Science of Agriculture; Agronomy

  • Classification Code:

    S158

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