滴灌水量对设施土壤养分分布和黄瓜养分吸收的影响
滴灌水量对设施土壤养分分布和黄瓜养分吸收的影响
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ZHANG Zejin , WANG, Liming , TANG, Li and LI, Yuejian
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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】探讨滴灌水量对设施土壤养分分布和黄瓜果实养分吸收的影响。【方法】以“川翠13号”黄瓜品种为试验对象，在大棚内进行膜下滴灌试验，设置5个灌水量处理，分别控制土壤体积含水率在25%~30%（T1）、35%~40%（T2）、45%~50%（T3）、55%~60%（T4）、65%~70%（T5），探讨了不同滴灌水量对设施土壤养分分布和黄瓜养分吸收的影响。【结果】随着灌水量增加，土壤硝态氮、有效磷和速效钾均有下渗，黄瓜产量逐渐增加，其中，T5处理的产量最高，与T1处理相比，增加了55.60%；T4处理的黄瓜果实养分积累量和吸收率均为最高，N、P2O5、K2O积累量分别比T1处理增加了58.23%、46.53%和48.25%，N、P2O5、K2O吸收率分别为30.95%、7.74%和57.62%...
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滴灌水量对设施土壤养分分布和黄瓜养分吸收的影响
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TN_cdi_wanfang_journals_ggps202109010
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_ggps202109010
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1672-3317
DOI
10.13522/j.cnki.ggps.2021055
