吴平霄,廖宗文,毛小云. 改性碳酸氢铵的肥效及淋溶特性研究初探[J]. 华南农业大学学报, 2000, (3): 94-94. DOI: 10.7671/j.issn.1001-411X.2000.03.026
    引用本文: 吴平霄,廖宗文,毛小云. 改性碳酸氢铵的肥效及淋溶特性研究初探[J]. 华南农业大学学报, 2000, (3): 94-94. DOI: 10.7671/j.issn.1001-411X.2000.03.026
    WU Ping-xiao,LIAO Zong-wen,Mao Xiao-yun. Research to the Fertilizer Efficiency of Modified Ammonium Bicarbonate and Its Eluviation Characteristics(Preliminary Report)[J]. Journal of South China Agricultural University, 2000, (3): 94-94. DOI: 10.7671/j.issn.1001-411X.2000.03.026
    Citation: WU Ping-xiao,LIAO Zong-wen,Mao Xiao-yun. Research to the Fertilizer Efficiency of Modified Ammonium Bicarbonate and Its Eluviation Characteristics(Preliminary Report)[J]. Journal of South China Agricultural University, 2000, (3): 94-94. DOI: 10.7671/j.issn.1001-411X.2000.03.026

    改性碳酸氢铵的肥效及淋溶特性研究初探

    Research to the Fertilizer Efficiency of Modified Ammonium Bicarbonate and Its Eluviation Characteristics(Preliminary Report)

    • 摘要: 碳酸氢铵具有易挥发、肥效快、肥效期短、氮素利用率低等特点1,2 .提高化肥氮素利用率有多种途径 ,笔者利用矿物控释材料对碳酸氢铵进行改性 ,制成改性碳酸氢铵 ,在盆栽试验中显示了较好的肥效 .1 材料与方法改性碳铵GXTAⅠ、GXTAⅡ、GXTAⅢ是在普通碳铵生产工艺中分别加入一定比例的矿物改性剂A、B、C后制得 .盆栽试验设 5个处理 ,每盆装风干土 2kg ,K2 O、P2 O5施肥量均为1 5 0mg/kg ,供试土壤为华南农业大学菜地赤红壤 .CK1、CK2分别施碳铵 1 .94g/盆、1 .76g/盆 ,GXTAⅠ、GXTAⅡ、GXTA…

       

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