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Genetic Continuity of Bronze Age Ancestry with Increased Steppe-Related Ancestry in Late Iron Age Uzbekistan
期刊论文
MOLECULAR BIOLOGY AND EVOLUTION, 2021, 卷号: 38, 期号: 11, 页码: 4908-4917
作者:
Kumar, Vikas
;
Bennett, E. Andrew
;
Zhao, Dongyue
;
Liang, Yun
;
Tang, Yunpeng
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  |  
浏览/下载:128/0
  |  
提交时间:2022/01/11
ancient DNA
population genomics
evolution
Features and Socio-Economic Sustainability of Traditional Chestnut Forestry Landscape in China: A Case of Kuancheng County, Hebei Province
期刊论文
LAND, 2021, 卷号: 10, 期号: 9, 页码: 18
作者:
He, Lulu
;
Min, Qingwen
;
Hong, Chuanchun
;
Zhang, Yongxun
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浏览/下载:48/0
  |  
提交时间:2021/11/05
sustainability
labor productivity
nationally important agricultural heritage system (NIAHS)
small farmer
agricultural landscape
Analysis of the economic driving force for protecting Important Agricultural Heritage Systems based on the return rate on labor input:A case study of the Kuancheng Traditional Chestnut Cultivation System in Hebei Province
期刊论文
Chinese Journal of Eco-Agriculture, 2020, 卷号: 28, 期号: 9, 页码: 1405
作者:
He LL(何璐璐)
;
Zhang YX(张永勋)
;
Hong CC(洪传春)
;
Min QW(闵庆文)
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  |  
浏览/下载:6/0
  |  
提交时间:2021/03/16
Farmer household's rate of return on labor input
Kuancheng Traditional Chestnut Cultivation System in Hebei Province
Important Agricultural Heritage Systems (IAHS)
China Nationally Important Agricultural Heritage Systems (China-NIAHS)
Small-scale agriculture
农户劳动投入回报率
宽城传统板栗栽培系统
重要农业文化遗产(IAHS)
中国重要农业文化遗产(China-NIAHS)
小规模农业
Groundwater irrigation and management in northern China: status, trends, and challenges
期刊论文
INTERNATIONAL JOURNAL OF WATER RESOURCES DEVELOPMENT, 2019, 页码: 27
作者:
Wang, Jinxia
;
Jiang, Yuting
;
Wang, Huimin
;
Huang, Qiuqiong
;
Deng, Hongbo
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  |  
浏览/下载:50/0
  |  
提交时间:2019/05/22
Groundwater irrigation
supply reliability
groundwater table
groundwater quality
policy instruments
farmer responses
Supporting farmer-managed irrigation systems in the Shigar valley, Karakorum: Role of the government and Aga Khan Rural Support Programme
期刊论文
Journal of Mountain Science, 2017, 卷号: 14, 期号: 10, 页码: 2064-2081
作者:
Joseph K. W. HILL
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  |  
浏览/下载:22/0
  |  
提交时间:2017/10/09
Farmer-managed Irrigation Systems
Institutional Arrangements
Government
Aga Khan Rural Support Programme
Shigar Valley
Karakorum
Factors affecting technical efficiency of small-scale apple farms in Balochistan Plateau, Pakistan
期刊论文
Journal of Mountain Science, 2017, 卷号: 14, 期号: 4, 页码: 782-794
作者:
Ghulam MURTAZA
;
GopalBahadur THAPA
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浏览/下载:22/0
  |  
提交时间:2017/04/07
Small-scale Apple Farmers
Technical Efficiency
Data Envelopment Analysis (Dea)
Bootstrap
Efficiency-improving Resources
Balochistan Plateau
OPTIMIZATION OF AGRICULTURAL INPUT EFFICIENCY FOR WHEAT PRODUCTION IN CHINA APPLYING DATA ENVELOPMENT ANALYSIS METHOD
期刊论文
APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH, 2017
Wang, N.
;
Jin, X.
;
Ye, S. T.
;
Gao, Y.
;
Li, X. F.
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  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
environmental pollution
input surplus
agriculture
technical efficiency
farmer
wheat production
WINTER-WHEAT
ENERGY-CONSUMPTION
SOIL FERTILITY
WATER-USE
IRRIGATION
YIELD
MANAGEMENT
CROP
BENCHMARKING
PROVINCE
Compact infrared countermeasure emitter
专利
专利号: US9310167, 申请日期: 2016-04-12, 公开日期: 2016-04-12
作者:
FARMER, ROGER C.
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浏览/下载:12/0
  |  
提交时间:2019/12/24
四川省户用沼气池碳减排效益的区域特征及发展对策
期刊论文
生态与农村环境学报, 2016, 页码: 432-438
作者:
田丛珊
;
李明
;
李勇
;
刘勤
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  |  
浏览/下载:28/0
  |  
提交时间:2016/12/06
户用沼气
减排效益
区域特征
发展对策
Are China's Farms Growing?
SCI/SSCI论文
2016
作者:
Ji X. Q.
;
Rozelle, S.
;
Huang, J. K.
;
Zhang, L. X.
;
Zhang, T. L.
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  |  
浏览/下载:24/0
  |  
提交时间:2017/11/09
emergence
large scale
operational farm size
rural China
small scale
labor-markets
rural china
agriculture
future
youth
productivity
migrate
impact
size
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