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玉米膜孔灌苗期不同灌水量对水氮分布的影响

Water Saving Irrigation(2009)

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Abstract
通过室外田间试验,分析了膜孔灌玉米苗期不同灌水量对土壤水氮分布的影响。灌水量越大,土壤含水率越大,分布范围越广,土壤表层硝态氮含量越小,对深层80~100 cm硝态氮含量影响越大;随灌水量的增加,硝态氮累积峰越靠下,增加了硝态氮的淋失。
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