1) yields of grain and cotton
粮棉产量
1.
Through the quality and quantity analysis on the effects of national economic policies on the yields of grain and cotton in Poyang Lake Region, it is shown that national economic policies have a close relation with the yields of grain and cotton in Poyang Lake Region and significant effects on them.
通过对国家粮、棉经济政策影响鄱阳湖区粮棉产量波动的定性分析和定量研究 ,揭示国家经济政策与湖区的粮食、棉花产量高度相关并产生重大影响。
2) grain-cotton production
粮棉生产
1.
As the important base of grain security reserve and high-quality cotton,the developmental strategy of grain-cotton production will play an important role for country security of grain and cotton in Xinjiang.
新疆作为中国重要的粮食安全后备基地和国家最大的优质棉花生产基地,粮棉生产发展对国家粮食和棉花安全具有重要的影响。
3) major production regions of cereal and cotton
粮棉主产区
4) Grain yield
粮食产量
1.
Time serial change of grain yield and its impact factors in Hailun,Heilongjiang Province;
黑龙江海伦市粮食产量稳定性影响因素分析
2.
Digitization of grain yield and distribution information in farmland;
农田粮食产量分布信息数字化研究
3.
Evaluation methods to climate years for grain yield in Gansu province;
甘肃省粮食产量气候年景评判方法
5) grain output
粮食产量
1.
The relationship between grain output and fertilizer input in wheat-corn cropping area of the Huang-Huai-Hai plain;
黄淮海平原麦玉两熟区粮食产量与化肥投入关系的研究
2.
China s grain output has been fluctuating since 1978.
1978年以来,我国粮食产量一直处于波动之中。
3.
The wavelet analysis has been used to analyze the grain output in Shandong province from 1949 to 2005.
以小波分析为基础,对1949～2005年山东省粮食产量波动进行了多时间尺度分析。
6) crop yield
粮食产量
1.
Review of impacts of no-tillage on crop yield and economic benefit;
免耕对粮食产量及经济效益的影响评述
2.
Much forest harvesting resulted in the diversification of region climate and consequently brought in the diversification of crop yield.
森林的过量采伐导致区域气候变化,进而引起粮食产量的变化。
3.
Therefore,it is of great significance to keep certain areas of farmland for crop yield.
运用趋势分析及结构分析法对建国以来陕西省粮食产量变化趋势及粮食作物种植结构变化进行研究。
补充资料：边际产量（MP）
边际产量（MP）：增加一个单位可变要素投入量所增加的产量。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条