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Newly created farmland should be artificially ameliorated to sustain agricultural production on the Loess Plateau
Ma, Jifu1,2; Chen, Yiping1,3; Wang, Hongjie2; Wang, Hong1; Wu, Junhua1; Su, Cuicui1; Xu, Chen1
通讯作者Chen, Yiping(chenyp@ieecas.cn)
2020-05-26
发表期刊LAND DEGRADATION & DEVELOPMENT
ISSN1085-3278
页码12
摘要The farmland area on the Loess Plateau has decreased because of the Grain for Green Programme and other soil conservation measures. The Gullies Reclamation for Farmland Project has been implemented to increase the farmland areas. Many farmlands have been created, but their suitability for Note for his deletion: because of duplication crop production and sustainable management practices is unknown. Topsoil was sampled from 119 sites to evaluate the soil fertility parameters (e.g., SOM, nitrogen, phosphorus, clay). We found that (a) overall fertility was lower than the soil fertility III level criterion of Shaanxi Province except for the potassium due to the loess parent materials where nutrients were at low levels except for potassium and was extremely unfavorable for crop growth; (b) the distribution of soil fertility properties and quality were variable on the Yan'an regions and especially lowest in the northern areas because of slightly precipitation and vegetation coverage, as well as lack of SOM, nitrogen and phosphorus; (c) cultivation was the better choice for soil fertility restoration at short-term in view of the higher enzyme activities and the contents of SOM, nitrogen, and phosphorus. The minimum data set for this type of soil quality analysis was determined to be SOM, CEC, NaHCO3-P, Clay, DTPA-Fe, DTPA-Zn, and S-UE. We recommend to planting of Medicago sativa and other legume crops in the uncultivated newly created farmland rather than letting it recover naturally. It is necessary to apply organic fertilizers, chemical fertilizer, and micro-elements simultaneously and not rely solely on chemical fertilizers in the utilization of newly created farmland.
关键词land consolidation land utilization loess plateau soil quality evaluation soil fertility development
DOI10.1002/ldr.3618
关键词[WOS]MINIMUM DATA SET ; SOIL QUALITY ; LAND CONSOLIDATION ; ORGANIC-CARBON ; VEGETATION ; REGION ; ENVIRONMENT ; SUCCESSION ; PARADIGM ; DYNAMICS
收录类别SCI ; SCI
语种英语
资助项目National Key Research and Development Program of China[2017YFD0800500]
WOS研究方向Environmental Sciences & Ecology ; Agriculture
项目资助者National Key Research and Development Program of China
WOS类目Environmental Sciences ; Soil Science
WOS记录号WOS:000535322400001
出版者WILEY
引用统计
被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/14825
专题生态环境研究室
第四纪科学与全球变化卓越创新中心
通讯作者Chen, Yiping
作者单位1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Peoples R China
2.Hebei Univ, Coll Life Sci, Inst Ecol & Environm Governance, Baoding, Peoples R China
3.CAS Ctr Excellence Quaternary Sci & Global Change, Xian, Peoples R China
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Ma, Jifu,Chen, Yiping,Wang, Hongjie,et al. Newly created farmland should be artificially ameliorated to sustain agricultural production on the Loess Plateau[J]. LAND DEGRADATION & DEVELOPMENT,2020:12.
APA Ma, Jifu.,Chen, Yiping.,Wang, Hongjie.,Wang, Hong.,Wu, Junhua.,...&Xu, Chen.(2020).Newly created farmland should be artificially ameliorated to sustain agricultural production on the Loess Plateau.LAND DEGRADATION & DEVELOPMENT,12.
MLA Ma, Jifu,et al."Newly created farmland should be artificially ameliorated to sustain agricultural production on the Loess Plateau".LAND DEGRADATION & DEVELOPMENT (2020):12.
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