But few mention the declining supply of water that is needed to grow irrigated and rain-fed crops.

Influence of non-tillage and stubble on soil microbial biomass and enzyme activities in rain-fed field of Inner Mongolia

免耕与留茬对土壤微生物量C、N及酶活性的影响

Most of the agriculture is rain-fed, and with lack of rain, crop yields are poor.

这里的大部分农业靠降雨维持，如果缺乏降雨，庄稼的收成就很差。

Studies on the Effects of Interactions of Water and Nitrogen Treatments on Light, Water Efficiency and Yield of Rain-fed Winter Wheat

水肥互作对中肥旱地小麦光能、水分利用效率及产量效应的研究

Effect of humate compound fertilizer on physiological characteristics and yield of wheat under irrigated and rain-fed conditions

灌溉和旱作条件下腐植酸复合肥对小麦生理特性及产量的影响

Long term simulation of water potential productivity of alfalfa on rain-fed highland in south of Loess Plateau

黄土高原南部旱塬地苜蓿水分生产潜力模拟研究

Study on adjusting and controling cultivation technique of mixed mulch on rain-fed cotton field

旱地棉花综合覆盖调控栽培技术研究

Economic feasibility of PAM application in rain-fed agriculture in the loess regions of Northwest China

PAM（聚丙烯酰胺）应用于西北黄土地区旱作农业的经济分析

Effects of different cover and rotation on soil microbial biomass phosphorus in rain-fed agriculture

旱作条件下不同覆盖及耕作方式对土壤微生物量磷的影响

Effect of Applying Potassium Fertilizer on Rain-Fed Cotton Field

旱地棉田施用钾肥效应

An experimental research on ground water utilization of rain-fed crop

旱作物利用地下水的实验研究

【 Objectives 】 Under the rain-fed condition, corn yield is influenced by multi-factors.

【目的】雨养条件下，玉米产量受多个因子的影响。

Ning will be based on rain-fed agriculture and agriculture-based county.

会宁是以雨养农业为主的农业县。

Research on linear structure and fault system in Three Gorges dam area of the Yangzi River

长江三峡工程坝区线性构造及断裂系统研究

A Study on Competitiveness of Jiangsu Native Medicine Manufacture along Yangzi River

江苏水产业对江苏沿江医药制造业发展的调查和分析

Moreover, this article analyses external environmental and internal condition of Yangzi Company.

文章进而对扬子碳素公司的外部环境、内部环境进行具体分析，明确了扬子碳素公司的竞争优势和竞争劣势。

Study on Affected Factors of Nantong Reach of Yangzi River Pollution Zone

长江南通段污染带影响因素研究

The Research and Application in the Construction Survey of the Yangzi River Channel

南京长江过江通道施工测量研究与应用

Analysis of flood variation of Yangzi River in last 100 years

近百年来长江洪水变化的初步分析

The Industry Planning Research of the Region Along the Yangzi River

长江沿岸地区产业规划研究

Deeply moved by his wife's words, Le Yangzi bid farewell to her at once, went to the faraway place, and made determined10 efforts to study hard. He had been away from home for a good seven years, and finally succeeded in his studies.

听了妻子的这番话，乐羊子深深地感动了。他马上告别了妻子，去远方发愤攻读，整整七年没有回家，最后终于学成功了。