1.
Current Situation of Dry Lands with Middle-low Yield and Its Utilization Countermeasure in Qianxinan Prefecture
黔西南州中低产旱地现状及利用对策
2.
The Situation of Soil Fertility of Dry Lands with Middle and Lower Yield and Its Improvement Measures in Bijie Prefecture
毕节地区中低产旱耕地地力状况与改良治理途径
3.
The Improved Effect of Conservation Tillage for Low Yield Dry Farm with Purple Sand-soil
低产紫沙土旱耕地保护性耕作改良效应
4.
The Influencing Factors to Dry Land Rice Production in Salin- Ized and Easily Waterlogged Lowland-A case study from Qiwanmu of Nanpi County, Hebei Province
低洼易涝盐碱地中影响旱稻产量的因素分析——以河北省南皮县“七万亩”试区为例
5.
The water table has been lowered by drought.
地下水位因乾旱已降低.
6.
A PRELIMINARY STUDY ON THE CORRELATION BETWEEN CROP YIELD AND METEOROLOGICAL FACTORS IN THE MIDDLE ARID AND SEMIARID AREAS OF GANSU PROVINCE
甘肃中部干旱、半干旱地区作物产量与气象因子相关性研究初探
7.
Study on Planting Technology System of High-yield and High-efficiency for Dry Land Potato in Semi-arid Area of Central Gansu;
陇中半干旱区旱地马铃薯高产高效栽培技术体系的研究
8.
of arid and semiarid open country.
产于干旱和半干旱地区的空旷乡间。
9.
Agricultural and Livestock Production in the Arid and Semi-arid Areas in the United States of America
美国干旱、半干旱地区的农牧业生产
10.
INVESTIGATIONS ON INCREASING COTTON YIELDS IN SHENSI DROUGHTY PLAINS
提高关中旱地棉田单位面积产量的研究和实践
11.
Study on the Foundation and Application of Macromolecule Materials for Plants Growth in Dry Land;
高分子材料在旱地作物生产中的应用基础研究
12.
Study on System of High Yield Cultivation Technology in Maize in Semi-drought Area in Middle Part of Shanxi Province;
晋中半干旱地区玉米高产栽培技术体系研究
13.
Status of Soybean in Agricultural production and Its Drought Control measures
大豆在农业生产中的地位及常见的防旱措施
14.
International Centre for Arid and Semi-arid Lands Studies
国际旱地和半旱地研究中心
15.
The agricultural practice in Liaoning demonstrated that the productivity of soils low for upland crops seems high productive for lowland rice.
辽宁省农业实践表明，对于旱地作物生产力低的土壤对水稻来说生产力较高。
16.
Mathematical Models for High Yield of Guidan 8 Planted in Dry Lands with High and Medium Fertility in Bijie Prefecture
毕节地区中上等旱地贵单8号高产栽培数学模型研究
17.
Production of dry cropland and comprehensive harness of soil and water loss in Sichuan Province
四川地区旱耕地生产中的水土流失综合治理探索
18.
Chinese Herbal Medicine Saposhnikovia divaricata and Their Manpower High-yield Culture Technique in Cold Field Arid Area
中草药防风及其在寒地干旱地区人工高产栽培技术