查询词典 crop up

On the basis of long-term experiment, changes in soil organic C, N and dynamics of soil NO〓-N of cropping systems were investigated in gully area of the Loess Plateau by means of analysis of the 15-year soil samples, crop yield in following crop systems: 1 continuous winter wheat with unmanured , nitrogen, organic manure , phosphorus and organic manure , nitrogen and phosphorus , nitrogen, phosphorus and organic manure , 2 continuous alfalfa, 3 pea-winter wheat rotation, winter wheat-sainfoin rotation, and 4 bare fallow. A model was developed according to the organic C dynamics, and was tested by the long-term experiment.

本文以中国科学院长武试验站的长期试验（始于1985年）为依托，通过对典型处理8-15年的土壤养分、作物产量以及同期降水量等的系统分析，揭示了黄土旱塬区不同种植体系中土壤有机碳、氮的演变规律；阐明了长期施肥条件下土壤硝态氮的迁移积累机理；提出了目前水肥条件下黄土旱塬区冬小麦生产潜力及其提高途径。

Appeared in West Lake after exchanging lake water. The dredging sediment had a negative effect on standing crop of zoobenthos community and dominant species, among which, standing crop of tubificid species declined markedly.

西湖底栖动物的群落结构在生态治理工程后变化较小，换水后有外来种类贻贝和寡鳃齿吻沙蚕出现，群落结构仍然是以富营养化种类为主且缺乏软体动物。

Most traits for crop breeding are quantitative in nature, which are controlled by polygenes. It is very important for crop improvement to accurately identify and finely map quantitative trait loci.

农作物大多数性状都是由多基因控制的数量性状，对数量性状基因座(quantitative trait loci， QTL)进行鉴定和定位对作物遗传育种具有重要意义。

A crop of new ideas.Rocks often crop out in New England pasture land.

在新英格兰的牧场上常可见到露在地面上的岩石。

Through investigation on relationship beween larch pure crop needle cast condition and forest soil in county Yitong of province Jilin, getting conclusion: pure crop needle cast condition growing on white betonies is more serious than growing on deeply brown soil.

通过对吉林省伊通县落叶松人工纯林落叶病病情与林地土壤关系调查发现：生长在白浆土类土壤上的落叶松纯林病情明显重于生长在暗棕壤土类土壤上的落叶松纯林。

Crop circles are one of the things no one can really explain, the government say there hoaxes but that explanation cannot be used for some of the crop circles out there.

麦田圈是其中一样没有人能真正解释的东西，政府说有骗局成份，但这个解释并不能用於所有在外的麦田圈。

Unlike other rusts, which only partially affect crop yields, UG99 can bring 100% crop loss.

不同于其他那些只是部分影响作物产量的干锈病菌，UG99可以导致100 ％的农作物损失。

After the close Monday, our crop condition report for our winter wheat crop shoed are usual 47% in good to excellent condition unchanged from the week prior.

周一收盘后公布的作物生长状况报告显示冬小麦作物优良率为47 ％，与前一周持平。

Based on the security of food supply of China, the energy utilization of crop strews and no bio-energy crop can be further strengthened.

5(来源：26AB5cC论文网www.abclunwen.com)在保证粮食安全的前提下，农作物秸秆和非农林能源作物作为能源利用可进一步加强。

The development and utilization of bioenergy can resolve the problem from agriculture famer, rural area of China. And it can further improve the income of farmer by altering the crop strews into useful bioenergy and saling crop strew, in addition increase the work opportunity for the farmer.

另外生物质能的利用可以创造就业机会增加农民收入，而且以户用沼气为纽带的综合利用模式在很大程度上增加了农民的收入，在国家资金和政策的大力支持下，户用沼气和大中型沼气工程发展迅速。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。