黑麦草—白三叶草地上施用石灰对土壤氮素吸收的影响

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引言大量研究表明,施石灰加速土壤中有机氮的矿化(Harmsen和Van Schreven, 1955; Alexander, 1961)。某些学者(Cullen和Grigg, 1971; Awad和Edwards, 1977)在田间条件下亦获得了同样的结果。但是,迄今尚未有人就施石灰影响土壤中有机氮的分解作定量的研究。
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