机械碾压对新建城市绿地土壤理化性质的影响

doi:10.11924/j.issn.1000-6850.casb16020062

中国农学通报 ›› 2016, Vol. 32 ›› Issue (26): 109-113.doi: 10.11924/j.issn.1000-6850.casb16020062

所属专题：农业工程

• 资源环境生态土壤气象 • 上一篇下一篇

机械碾压对新建城市绿地土壤理化性质的影响

陈智坤^1,2,丛晓峰¹,马延康¹,上官建国¹,魏莹¹,郝明德³,杜勇军¹

(¹陕西省西安植物园,陕西省植物研究所,西安 710061；²西北农林科技大学水土保持研究所,陕西杨凌 712100）

收稿日期:2016-02-19 修回日期:2016-08-29 接受日期:2016-03-16 出版日期:2016-09-21 发布日期:2016-09-21
通讯作者: 杜勇军
基金资助:
陕西省科学院青年人才培养专项“蘑菇渣的资源化及对土壤改良效果研究”(2015K-27)；陕西省科学院重点项目“植物园专类园建设与植物配置方式研究——以西安植物园新区为例”(2015K-24)。

Machinery Compaction Effect on Soil Physical and Chemical Properties of Newly Constructed Urban Green Land: A Case Study of New Garden of Xi’an Botanical Garden

Chen Zhikun^1,2, Cong Xiaofeng¹, Ma Yankang¹, Shangguan Jianguo¹, Wei Ying¹, Hao Mingde³, Du Yongjun¹

(¹Xi’an Botanical Garden, Institute of Botany of Shaanxi Province, Xi’an 710061;²Institute of Soil and Water Conservation of Northwest A&F University, Yangling Shaanxi 712100)

Received:2016-02-19 Revised:2016-08-29 Accepted:2016-03-16 Online:2016-09-21 Published:2016-09-21

摘要/Abstract

摘要： 为了揭示机械碾压对城市绿地土壤的影响，为城市植被栽植及土壤科学管理提供参考，以在建的西安植物园新园区为例，对机械碾压前后园区土壤理化性质和养分特征进行了研究与分析。结果表明：碾压后土壤容重升高，孔隙度普遍降低，0~30、30~60、60~100 cm土壤容重分别高出碾压前4.20%、14.60%、20.70%；碾压后土壤pH升高；碾压后，土壤表层速效氮含量普遍升高，提高了287%，表层土壤速效磷含量提高了20.30%，表层土壤速效钾含量提高了12.10%，碾压前后表层土壤有机质含量变化不大。碾压破坏了土壤结构，导致土壤容重增加，土壤pH升高，改变了土壤养分分布。针对以上问题及植物园建设的复杂性，须采取精准的土壤改良措施并长期监测碾压对植物生长的影响。

关键词: 地温, 地温, 气温, 气象, 播种期, 因子

Abstract: In order to study the effect of machinery compaction on urban green land soil and provide reference for urban vegetation plantation and scientific management of soil, soil physical and chemical properties and nutrient characteristics were studied and analyzed after machinery compaction in the new Xi’an botanical garden. The results showed that soil bulk density increased after machinery compaction, and porosity decreased, soil bulk density of 0-30, 30-60 and 60-100 cm increased by 4.20%, 14.60% and 20.70% in comparing with that before machinery compaction; soil pH value increased after machinery compaction; surface soil available nitrogen content increased by 287%, available phosphorus increased by 20.30%, available potassium increased by 12.10%, the change of organic matter content was not obvious. Soil structure was destroyed after machinery compaction, which caused the increase of soil bulk density and pH value, and changed nutrient distribution. Taking into account the above problems caused by machinery compaction and the complexity of botanical garden construction, accurate soil recovery measure and long-term observation of machinery compaction were necessary.

陈智坤,丛晓峰,马延康,张永超,上官建国,魏莹,郝明德,杜勇军. 机械碾压对新建城市绿地土壤理化性质的影响[J]. 中国农学通报, 2016, 32(26): 109-113.

Chen Zhikun,Cong Xiaofeng,Ma Yankang,,Shangguan Jianguo,Wei Ying,Hao Mingde and Du Yongjun. Machinery Compaction Effect on Soil Physical and Chemical Properties of Newly Constructed Urban Green Land: A Case Study of New Garden of Xi’an Botanical Garden[J]. Chinese Agricultural Science Bulletin, 2016, 32(26): 109-113.

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机械碾压对新建城市绿地土壤理化性质的影响

Machinery Compaction Effect on Soil Physical and Chemical Properties of Newly Constructed Urban Green Land: A Case Study of New Garden of Xi’an Botanical Garden

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