施加黄腐酸钾对黑垆土土壤结构的影响
施加黄腐酸钾对黑垆土土壤结构的影响
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ZHANG, Lu , WU Junhu , YANG, Xiaowei , LEI Zhenyuan and BAI Xue
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Xinxiang City: Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage
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Xinxiang City: Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage
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【目的】探究黄腐酸钾对黑垆土水分运移、土壤孔隙和团聚体分布的影响。【方法】通过室内试验,向黑垆土中施加不同质量配比(0%、0.1%、0.5%和1%)的黄腐酸钾,得到对土壤结构改良效果的最佳黄腐酸钾施量。【结果】①用含1%黄腐酸钾处理后的土样效果是最优的,土壤累积入渗量、入渗率(90 min)、稳渗率和湿润锋运移距离分别增加了43.96%、182.5%、47.06%和28.41%。②3种入渗模型参数拟合结果显示,Kostiakov公式中经验系数从1.648 7减小至0.901 3,经验指数从0.478 1增加至0.537 5。Philip公式中稳渗率在0.002 0到0.003 2的范围内,吸渗率在0.956 2到1.004 2范围波动。改进后Kostiakov公式中,稳定入渗率从0.012...
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施加黄腐酸钾对黑垆土土壤结构的影响
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TN_cdi_wanfang_journals_ggps202210017
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_ggps202210017
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ISSN
1672-3317
DOI
10.13522/j.cnki.ggps.2021537