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黄金梨产量及水肥生产率对水氮耦合的响应

黄金梨产量及水肥生产率对水氮耦合的响应

https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_ggps202011009

黄金梨产量及水肥生产率对水氮耦合的响应

About this item

Full title

黄金梨产量及水肥生产率对水氮耦合的响应

Publisher

Xinxiang City: Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage

Journal title

Guanʻgai paishui xuebao, 2020-11, Vol.39 (11), p.68-75

Language

Formats

Publication information

Publisher

Xinxiang City: Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage

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Scope and Contents

Contents

【目的】优化梨树水氮管理制度。【方法】通过开展田间小区水氮耦合试验,设3个灌水下限,分别为Hw:75%θf、Mw:65%θf、Lw:55%θf,3个施氮水平:Hf:486 kg/hm2、Mf:324 kg/hm2、Lf:162 kg/hm2,共计9个水氮耦合处理:低水高肥(LwHf)、低水中肥(LwMf)、低水低肥(LwLf)、中水高肥(MwHf)、中水中肥(MwMf)、中水低肥(MwLf)、高水高肥(HwHf)高水中肥(HwMf)、高水低肥(HwLf),以及常规处理(CK),探究了不同水氮耦合方案对黄金梨产量及水、氮肥生产率的影响。【结果】灌水量和施氮量对产量、灌溉水分生产率和肥料偏生产力指标值的影响显著,但不同指标响应规律不完全一致;产量和灌溉水分生产率随施氮量呈单调递增规律、但随灌水量...

Alternative Titles

Full title

黄金梨产量及水肥生产率对水氮耦合的响应

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Primary Identifiers

Record Identifier

TN_cdi_wanfang_journals_ggps202011009

Permalink

https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_ggps202011009

Other Identifiers

ISSN

1672-3317

DOI

10.13522/j.cnki.ggps.2020044

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