水分管理及生物质炭对稻田土壤含水率及pH值的影响
水分管理及生物质炭对稻田土壤含水率及pH值的影响
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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】我国亚热带地区为典型的双季稻种植区,水分管理多采用长期淹水和间歇灌溉2种方式,灌溉方式的不同会影响土壤含水率的差异,势必会影响土壤酸碱性的改变。添加生物质炭可改变土壤性质。探明稻田淹水灌溉和间歇灌溉条件下添加生物质炭对双季稻田土壤水分及酸碱性的影响。【方法】采用田间小区试验,研究水分管理方式(长期淹水(CF)和间歇灌溉(IF))及生物质炭施用量(0、24 t/hm2(LB+IF)和48 t/hm2(HB+IF))对亚热带双季稻田土壤含水率及pH值的影响。【结果】与长期淹水相比,早稻季和晚稻季间歇灌溉的土壤含水率并没有显著降低。生物质炭添加并未显著影响早稻季和晚稻季土壤含水率,但在休闲季生物质炭处理的土壤含水率有所降低。研究期间,CF、IF、LB+IF和HB+IF处理的土壤含水率周年均...
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水分管理及生物质炭对稻田土壤含水率及pH值的影响
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TN_cdi_wanfang_journals_ggps202107007
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_ggps202107007
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1672-3317
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10.13522/j.cnki.ggps.2020385