查询词典 crop duster

Cassava is as important dry land crop and the one of three big yams crop in the world.

木薯是世界上三大薯类作物之一，是我国重要的旱地作物。

Catch basin; catchment area 汇水区 catch crop A quick-growing crop, planted and harvested between two regular crops in consecutive seasons or between two patches of regular crops in the same season.

添闲作物指在前后不同季节的两种正常作物之间，或在同季节的两种不同作物之间种植的一种快熟作物。

"Catch crop: A quick-growing crop, planted and harvested between two regular crops in consecutive season s or between two patches of regular crops in the same season ."

添闲作物：指在前后不同季节的两种正常作物之间、或在同季节的两种不同作物之间种植的一种快熟作物。

"Catch crop: A quick-growing crop, planted and harvested between two regular crops in consecutive seasons or between two patch es of regular crops in the same season."

添闲作物：指在前后不同季节的两种正常作物之间、或在同季节的两种不同作物之间种植的一种快熟作物。

"Catch crop: A quick-growing crop, planted and harvested between two regular crops in consecutive seasons or between two patches of regular crops in the same season."

添闲作物：指在前后不同季节的两种正常作物之间、或在同季节的两种不同作物之间种植的一种快熟作物。

Catch crop: A quick-growing crop, planted and harvested Between two regular crops in consecutive

添闲作物：指在前后不同季节的两种正常作物之间、或在同季节的两种不同作物之间种植的一种快熟作物。

In 1985 the Hubei Province fishery science research institute to domestic introduced the American Procambarus clarkii and the paddy rice crop rotation's situation and the method, in 1991 proposed once more Cleveland original chela shrimp and the middle-season rice crop rotation are the tendencies which is worth taking seriously.

克氏原螯虾与水稻轮作最早起始于美国，后传入非洲。1985年湖北省水产科学研究所向国内介绍了美国克氏原螯虾与水稻轮作的情况和方法，1991年再次提出克氏原螯虾与中稻轮作是一个值得重视的动态。

There are oil in its tubers and it has become an industrial crop for biodiesel production, Chufa is actually a cash crop with multiple uses.

油莎豆为莎草科多年生草本，全生育期110~130d，块茎产量高且富含油脂，已成为生产生物柴油的原料植物。

In agriculture,it influences the monoculture, crop rotation,crop cover and so on.S ome allelochemicals can be...

培育新的抗虫害、抑草品种，分离、鉴定新的化感物质，深入揭示化感作用的机制，是今后化感作用的研究重点。

As a part of "Outstanding Young Researcher project- Water Erosion Predicting model", the purpose of this study is to do research on the method for estimating Cover and Management Factor in China, to evaluate the effects of crop cover in different stages by estimating soil loss ratio of individual crop stage period, and to compare the effects of different land use patterns by their average annual value of C factor.

本研究作为杰出青年基金项目《土壤水蚀预报模型研究》的一部分，目的在于探讨我国覆盖与管理因子的计算方法，估计不同耕作制度下农地多年平均C值；通过估计不同农作期土壤流失率评价作物发育不同时期对土壤侵蚀的作用；通过估计多年平均覆盖与田间管理因子分析不同土地利用方式的水土保持效益。

They used a set of balancing scales to do this.

他们用的是一组平衡秤。

I am going to ask you to keep an eye open for people looking suspicious, especially during weekends, people wondering around the church, the presbytery and the school.

我恳请大家提高警觉性。更重要的是，我们要发展成为更密切的团体，以兹识别新面孔。