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模拟外源性氮磷对马占相思凋落叶分解及土壤生化特性的影响

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模拟外源性氮磷对马占相思凋落叶分解及土壤生化特性的影响

https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_lykxyj201802015

模拟外源性氮磷对马占相思凋落叶分解及土壤生化特性的影响

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Full title

模拟外源性氮磷对马占相思凋落叶分解及土壤生化特性的影响

Author / Creator

佘汉基 , 蔡金桓 , 薛立 and 郑欣颖

Publisher

华南农业大学林学与风景园林学院,广东广州,510642

Journal title

林业科学研究, 2018, Vol.31 (2), p.107-113

Language

Chinese

Formats

Articles

Publication information

Publisher

华南农业大学林学与风景园林学院,广东广州,510642

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Scope and Contents

Contents

S791; [目的]研究外源性氮和磷对马占相思凋落叶的分解速率、分解过程中N、P、K含量和土壤生化特性的影响,以便为森林土壤养分管理提供参考.[方法]以广东省云勇林场马占相思林下凋落叶为试验材料,采用尼龙网袋分解法,设置对照(CK)、施N(10 g·m-2)、施P(5g·m-2)、施N+P(N10g·m-2+ P5g·m-2)4种处理,每隔3个月取样1次,并测定凋落叶残留量和N、P、K含量.[结果]表明:施N、P和N+P处理对马占相思凋落叶的分解均为促进作用.各处理马占相思凋落叶的N含量在分解过程中大致保持稳定,施P和N+P处理的凋落叶P含量在分解过程中总体呈波动性上升,而各处理的凋落叶K含量变化规律不明显.施N、P和N+P处理提高了马占相思林土壤的有机质和全N含量,促进脲酶、磷酸酶及过氧化...

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Full title

模拟外源性氮磷对马占相思凋落叶分解及土壤生化特性的影响

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Author / Creator

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Record Identifier

TN_cdi_wanfang_journals_lykxyj201802015

Permalink

https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_lykxyj201802015

Other Identifiers

ISSN

1001-1498

DOI

10.13275/j.cnki.lykxyj.2018.02.015

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