Nitrous oxide emissions from agricultural soils as affected by winter cropping system;
冬季耕作制度对农田氧化亚氮排放的贡献
It was found that, at the same condition, for four main cropping systems had different effects on soil fertility.
因此，从各方面综合衡量，实行稻－稻－肥与稻－稻－麦（大麦）或稻－稻－油（油菜）轮作，可能是该地区现有条件下较为理想的耕作制
At the same time,droughtresistance crops and varieties suitable to Nihe gully test region,modern cropping system and cultivation method should be selected and popularized.
通过调查研究提出泥河沟试区旱作农业发展对策是：在充分利用降水的基础上合理施肥，以肥调水；同时，要选用和推广适合试区的抗旱作物和品种，积极推广现代耕作制度和模式。
Relationships between farming system and effective accumulated temperature in East China;
华东地区耕作制度对积温变化的响应
Adjusting farming system for sustainable development of tobacco production;
优化耕作制度促进云南主产区烟叶生产可持续发展
Influence of present farming system of corn belt on fertility degradation in Jilin Province
吉林玉米带现行耕作制度对黑土肥力退化的影响
Based on the many years′ scientific research results and production practice,this thesis fully does the research on Dali high-quality tobacco production′s scheme and tillage system.
依据多年来的科研成果和生产实践,全面研究了大理州优质烟叶生产方案与耕作制度,概括出了大理州优质烟叶生产耕作制度方略并验证其实践效果,可为建立以烟为主的耕作制度,促进烟叶生产的可持续发展提供具体方案与科学参数。
Tillage systems is the management system for ensureing agricultural prduction orders with relative stability.
耕作制度是保证农业具有相对稳定的生产秩序的管理体制,是发挥农业技术综合功能的系统工程,是农业的根本制度。
The paper takes West Poverty Reduction project sponsored by World Bank, Grain for Green Program, Off-plough system as examples.
通过分析“退耕还林”政策、“休耕制度”、“世行西部扶贫项目”等实例,对“生态维护”与“贫困治理”相结合的发展思路进行了阐述,并提出了相应的主张。
Problems and Comtermeasures on Cultivation of Heilongjiang Province;
黑龙江省耕作制度存在的问题与对策
Study on the Evolving Regularity and Orientation and Strategies of Farming System in Triple Cropping Region of Hunan Province, China;
我国三熟耕作区湖南省耕作制度演变规律、趋势与对策研究
Working Patterns of Agricultural Machinery under New Cultivation System in Jilin Province;
新型耕作制度下的吉林省农业机械作业模式
Study Technique of Farming System of Different Conservative Farming System in the Weibei Plateau;
渭北旱原不同保护性耕作制度技术研究
On Development Trend of Cropping System under New Situation Based on Sample Analysis of Xin Yang City He nan Province .PRC;
新形势下耕作制度发展动向及信阳市实证分析
Study on the Evolving Regularity and the Driving Force of Farming System at County Level;
县域耕作制度演变规律及其驱动力研究
Ecological and Economic Results of Protective Cropping System;
保护性耕作制度的生态与经济效益评价
Impact of Farming Systems and Agronomic Technology to the Development of Agricultural Mechanization;
耕作制度与农艺技术对农机化发展的影响
Research on General Plan of Dali of Yunnan High-quality Tobacco Production s Tillage System;
云南大理州优质烟叶生产耕作制度方略研究
Determination of the Standard Farming System for Farmland Grading;
农用地分等定级中标准耕作制度的确定
Contradictions and countermeasures in the development of farming system;
耕作制度发展矛盾及对策——以黄土高原为例
dry farming; dryland farming: A system of producing crops in arid and semiarid regions without the use of irrigation.
旱地耕作法:指一种在干旱或半干旱土地上不使用灌溉方法生产作物的耕作制度。
The mechanized protective farming technique, which is a revolution of traditional agricultural tillage system, is an important measure for realizing agricultural sustainable development.
机械化保护性耕作技术是对传统农业耕作制度的革命,是实现农业可持续发展的一项重要措施。
Research upon Tillage Regime Evolution in One-harvest Region of China and Biomass of Grain Sorghum Planted along Different Ridge Distances;
一熟制区耕作制度的演变及在不同垄距下种植高粱的生物量研究
International Workshop on Evolution of Hills and Mountain Farming Systems: Sustainable Development Policy Implications
丘陵和山地耕作制度的演变国际讲习班: 可持续发展所涉政策问题
"In general, cropping systems should include deep-rooting legumes."
广义地说,耕作制度应围绕着深根性豆科植物的利用来设计。
Study on the Evolving Regularities in the Last 50 Years and Development Orientation in 2020 & Policy of Farming System in Tianjin;
天津耕作制度50年演变规律、2020年发展方向及其对策研究
Involving Regularities in Recent 50 Years and Future Trends in 2020 on Farming System in China;
中国耕作制度近50年演变规律及未来20年发展趋势研究