查询词典 multiple cropping

Multiple cropping system is a special characteristic of agriculture in China, which has crucial function on feeding 22% people of the whole word by 10% cultivate field of the whole world.

中国农业能以占世界 10%的耕地养活世界上 22%的人口，多熟种植起着决定性的作用。复种指数作为耕地耕作能力的主要指标以及气候农业生产模型中的必需变量，一直是基于行政单元的统计，存在较多的问题，不易于评价与研究。

During 3 years, six different multiple cropping rotation systems were studied at varying levels of water application in Hexi oasis irrigation area.

在不同供水条件下，对河西绿州灌区6种多熟轮作方式进行了3年3区节水轮作体系的研究。

The yield and the utilization rate of solar energy and heat increased by more than 20%. It showed that this new multiple cropping pattern is an effective way to further increase yield in this region.

该模式实现高产的关键是充分利用间套作复合群体高强度的纳密功能，并形成一个高光效的群体结构，使复合群体的受光改善和截光能力增强。

About the agriculture, besides the study of the growth in population and land, the key study is about grain, the double-harvest rice and the multiple cropping of rice and wheat.

对于农业的研究，除了研究人口增长与土地开发之外，重点研究了粮食亩产量，并以此为中心研究了双季稻以及稻麦复种等问题。

An explicit spatial and temporal analysis of the complex dynamics of multiple cropping in the context of coupled human and natural systems is necessary for modeling and evaluating the impacts of human activity on global environmental change and food security.

在空间和时间上清晰地认识农业多熟种植的特征，将会对掌握高强度土地利用的过程和特点，模拟与评估土地利用对粮食安全及生态环境安全的影响有重要的意义。

Other factors that were found to have positive effects on soil nutrientsinclude the multiple cropping index and the practice of plowing stalks back into theland.

相对于土地调整形成的地权不稳定，土地交易权不完整更不利于保持土壤的可持续生产能力，对农业土壤肥力有明显的负面外部效应。

Vegetable-year average multiple cropping area of 8 million, not only to satisfy the millions of the urban population of the city of Baotou supply, and sold to Beijing, Tianjin, Shanghai, Erlian, and other places.

蔬菜年平均复种面积8万亩，不仅满足了包头市百万城市人口的供应，而且远销到北京、天津、上海、二连等地。

The experiment results show that this mode can increase multiple cropping index, tobacco income by over 2000 Yuan and maize yield by over 450 kg so as to reach the objective of in-creasing income and grain yield.

试验表明，该模式提高了复种指数，烤烟收入2000元以上，免耕玉米收入450㎏以上，达到钱粮双收的目的。

Satellite remote sensing is the most effective means to identify land cover pattern and change on a regional scale, so it should be an important way to discriminate multiple cropping characteristics on a large scale.

卫星遥感是探测大尺度土地覆被格局及变化最有效手段，因此可以作为获取区域和全国尺度作物复种指数的一个重要途径。

In the thesis I think the double-harvest rice and the multiple cropping of rice and wheat increased quite little in fact in Southern Song Dynasty.

本文认为，南宋时期温州的双季稻与稻麦复种对增加粮食亩产量很小。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。