查询词典 crop up

It is of long time of adaptive action of crop and its environment.

一种作物的技术程序是一个完整的系统，这种系统具有长期的稳定性，是长期对环境适应的结果。

A legislation impact assessment by environmental consultancy ADAS found that the loss of certain pesticides and insecticides could reduce yields of key crops such as potatoes and wheat by as much as 25 per cent.The report was funded by the European Crop Protection Association.

英国最大农业研究中心洛桑研究所植物和无脊椎动物生态学主管伊恩·德诺姆表示：由于农药具有潜在危害性，因而必须受到管制，但当前的立法是世界范围内的黄金标准。

As a valuable crop in northern China, adzuki bean has an important status among export agricultural products at all times.

小豆是中国北方重要的杂粮作物，在农产品出口中一直占有重要地位。

Not surprisingly, agave is an important crop in Mexico.

毫不惊讶，它是墨西哥重要的作物。

The research and application of several methods for agricultural yield forecast in China were summarized and assessed,including meteorology,agrobiology,econometrics and dynamic simulation for crop growth,etc.

对气象、农业生物、经济计量、作物生长动力模拟这几种农业产量预报技术方法在国内的研究和应用情况进行分析、总结和评价，论述各种方法的基本原理、适用情况和改进途径，提出综合性预报方法思路。

The crop did not grow well what with species and what with non-uniform top application of fertilizer, according to an agronomist.

这片庄稼长得不好据一位农学家看一方面是由于品种，另一方面是由于追肥不匀。

Alfalfa is a forage crop with high protein, which is an important resource of plant protein.

苜蓿是优质的绿色蛋白饲料作物，是解决我国蛋白质饲料匮乏问题的重要来源。

Alfalfa is the fourth most widely grown crop in the United States.

紫花苜蓿是第四大国广泛种植作物在美国。

Its salinity give priority to the alkalescency salt type such as Na_2CO_3, it calls soda Salina soil and disadvantage to the crop growth.

其盐分以碱性盐类Na_2CO_3为主，称苏打盐碱土，对作物生长极为不利。

Increasing areas in saline and alkali soil dramatically affect crop yield.

土壤盐碱化严重影响作物的产量。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。