Measurement of N 2O, CO 2 and CH 4 with the optimized closed chamber/GC technique in the typical grassland, which were influenced by human activities, grazing and cultivating first time in situ were carried out in Inner Mongolia of P.
结果表明 ,农垦麦田N2 O平均排放通量比原始草原高出 3倍 ,并改变了草甸草原为CO2 汇的性质 ,使其季节排放净通量以C计增加 1 4 。
The contents of soil organic carbon(SOC)and soil inorganic carbon(SIC)in different soil layers within 1 m depths in three different kinds of steppes(Stipa baicalensis steppe, Leymus chinensis steppe and Stipa grandis steppe), in the Xilin River Basin of Inner Mongolia, China , were determined in order to investigating effects of cultivating and grazing on the soil carbon in temperate grassland.
通过对内蒙古锡林河流域贝加尔针茅草原、羊草草原和大针茅草原3种草原群落不同层位土壤样品碳素含量的测定和统计分析,探讨了农垦及放牧对该区主要草原土壤类型有机碳及无机碳的影响。
Land-reclaimable agriculture is the“national team”of China’s agriculture as well as the demonstrator and driver for modern agricultural construction.
农垦是中国农业的“国家队”,是现代农业建设的示范者和带动者,改革开放30年来,农垦农业取得了长足的发展,整体发展态势良好,农垦经济已经成为我国农业经济发展的一个重要助推器,在我国农业可持续发展新形势下具有新的发展趋势。
Study on evolvement process of landscape pattern of reclaimed farmland in Yanzhou mining area;
兖州矿区复垦农田景观格局演变过程研究
A discussion on the development of community health services mode of farm system in Heilongjiang province;
黑龙江省农垦系统社区卫生服务模式的发展探讨
The remembrance of hydrological business in the Heilongjiang Reclamation Area;
黑龙江农垦区的水文事业
financial contract of national reclaimation farms
国营农垦企业财务包干
Import and Export Service Company for Farms and Land Reclamation
农垦进出口服务公司
On Assart of the Farm in Yellow River Inundation Area of Henan Province, 1949-59;
河南省黄泛区农场农垦初探（1949—1959）
Preliminary Studies on Building up a Well-to-do Society at Longjiang State Farm of Hainan;
海南农垦龙江农场实现小康初步研究
A STUDY ON EVALUATION OF FARMLAND IN 148TH REGIMENT OF PRODUCTION AND CONSTRUCTION, XINJIANG;
新疆农垦148团农用土地估价研究
Study on Conditions and Countermeasures of Modern Agriculture Development of China State Farms
农垦发展现代农业的条件与对策研究
Practice and Thinking about Jilin Farm Management System Reform;
吉林农垦管理体制改革的实践与思考
Thoughts on Project Investment and Construction of Gansu Nong Ken Enterprise;
对甘肃农垦企业项目投资建设的思考
Management on Business of Land Reclamation and Cultivation Company of Huainan Da Sheng;
论淮南大生系统农垦公司的经营管理
Huanghe River Captured Huaihe River and Agricultural Settlement in North Jiangsu Coastal Area in the Historical Periods
历史时期黄河夺淮与苏北沿海的农垦
Reform and Innovation of Enterprise Management System in Hainan State Farms
海南农垦企业管理体制的改革与创新
Analysis on factors limiting reclamation towns development a case study of the Heilongjiang Reclamation Area;
农垦小城镇发展的限制性因素分析——以黑龙江垦区为例
Design and Development of Heilongjiang Land Reclamation Precision Agriculture Website
黑龙江农垦精准农业网站的设计与开发
The army farm lies along the upper reaches of the Manass River.
这个军垦农场位于马纳斯河上游。
The farmer reclaimed the swamp by draining it.
农民通过排涝来开垦那块沼泽地。
Farmers suBdued the arid lands of australia.
农民们开垦了澳大利亚贫瘠的土地
Land-hungry peasants push up the hillsides.
缺少土地的农民开垦坡地。
Historically, shifting cultivation was not limited to the tropics.
历史上烧垦农业并不限于热带。