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- STUDY ON INTERACTION FOR N,P AND WATER AND THEIR COUPLED MODEL IN EAST PART OF WEIBEI DRYLAND 渭北东部旱塬氮磷水三因素交互作用与耦合模型研究
- Weibei Dryland Region 渭北旱原
- Weibei dryland 渭北旱塬
- Substantial amounts of land may have to be converted from irrigated to dryland farming systems. 大量土地可能不得不从灌溉转为旱地耕作。
- The rising demand for food has reduced the area fallowed in key dryland farming regions. 日益增长的对粮食的需求，使主要干旱农业区的休耕面积大为减少。
- The deep part of Tertiary rifted basin representative of Weibei Depression has relatively abundant gas. 以潍北凹陷为代表的第三系断陷盆地深层具有较丰富的天然气藏,且显示出深盆气的部分成藏特征。
- Epitaph and the closure of calligraphy, Chinese belong to the Weibei re-dignified, Italy's state-Yi Qi category. 封和墓志铭的书法，属于魏碑中方重端庄、意态奇逸的一类。
- Formation and Development of Cultural Technique System of Dryland Wheat in Shanxi Province. 山西旱地小麦栽培技术体系的形成及其发展战略。
- As the central city of economy and culture in Weibei area of Shaanxi, Tongchuan is 90 km away from capital city Xi’an. 铜川市作为陕西渭北地区经济文化的中心城市，相距省城西安90公里。
- 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。
- Yield and water utilising efficiency of forage maize were studied with two types of soil in Northwest Hebi Dryland. 在冀西北半干旱高寒区的两种不同类型的土壤中,进行饲用玉米产量和水分利用率的研究。
- The purpose of this study is to evaluate the operating costs of harvesting works of dryland crop machinery. 摘要本研究之目的在于评估本省杂粮收获机械作业之各项作业成本。
- The experiment orchard was set up in Weibei area,Shaanxi Province,with Akita Fuji 1 grafted onto inter-rootstock of different clones and M26 (CK),M. 以富平秋子为基砧,B9等7种苹果矮化砧木、M26(CK)作中间砧嫁接秋富1品种,在陕西渭北地区建园进行比较试验。
- Insect (Lepidoptera) faunas of artificial forest deprived from farmland have been investigated in the Weibei gully test region of the Losee Plateau. 摘要对黄土高原南部的渭北沟壑区退耕还林还草后的昆虫区系进行了调查研究。
- The Fault-fracture network is the main space of accumulating karst-fissure water in the Ordovicion limestone of Weibei coalfield. 破裂构造网络是渭北煤田奥灰岩溶裂隙水赋存的主要空间。
- An Effective New Technique of Dryland Farming in Western Chine-Low or Non-Tillage with Stubble and Whole Course Straw Covering. 西部旱作农业的有效新技术--留茬少耕或免耕秸杆全程覆盖。
- Among seven kinds of fonts,processing speed of Sungti,Zhengkai and Heiti is faster than that of Xingkai,Lishu,Weibei,and Caiyun. 在七种字体之中,宋体、正楷和黑体的加工速度较快,而行楷、隶书、魏碑和华文彩云的加工速度较慢,字体的主效应显著;
- Develop monitoring mechanism to determine effectiveness of implementation of laws and policies for dryland ecosystem management. 发展综合生态系统管理的监督机制,掌握法律政策实施的有效性。
- There are abundant coal measures associated kaolin resources in Weibei and northern Shaanxi Permo-Carboniferous coalfields,Shaanxi Province. 陕西省渭北、陕北石炭二叠纪煤系共伴生高岭岩资源极其丰富。渭北高岭岩质纯,矿石中高岭石自形程度差．但结晶有序;
- It says more research should be carried out into dryland agriculture, fisheries, orphan crops, and the impact of climate change on farming practices. 它说需要对旱地农业、渔业、孤生作物以及气候变化对农业实践的影响进行更多的研究。
