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间作三叶草对大田甜玉米产量品质及土壤矿质氮的影响

DOI: 10.7668/hbnxb.2010.S1.053, PP. 236-238

Keywords: 甜玉米-三叶草间作,产量品质,植株全氮,矿质氮

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Abstract:

为探索三叶草作为有机栽培中肥料来源,研究间作三叶草对大田甜玉米产量品质,植株全氮和土壤矿质氮的影响,结果表明:与单作相比,甜玉米与三叶草间作可提高甜玉米产量,可溶性糖含量,植株全氮含量,降低了亚硝酸盐含量和土壤中矿质氮含量,但提高了硝态氮含量,降低了Vc含量,在本试验条件下认为,间作三叶草提高甜玉米产量,改善品质,减少化肥的投入,降低环境风险。

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