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土壤圈(英文版). 1996, (01)

Preferential Fixation of Ammonium to Potassium by SoilsEnglish Full Text

TANG YAN; FENG KE and YIN SHIXUE(Department Of Agronomy, Agricultural College, Yangzhou University, yangzhou 225009 (China))

Abstract: Ten soils collected from different parts of China were used in a series of experiments to study fixation of NH￣+4 and K￣+ by soils. When K￣+ was added concurrently with or prior to NH￣+4, the soils were found to fix more moles of NH￣+4 than those of K￣+, irrespective of the mole ratios of NH￣+4 to K￣+ that were added.
Keywords：

ammonium fixation; potassium fixation; soils;

  • Series：

    (D) Agriculture

  • Subject：

    Fundamental Science of Agriculture; Agronomy

  • Classification Code：

    S153.6

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