玉米带

但是这次价格冲击以及其他几次均事出有因——苏联的干旱，美国玉米带的庄稼产量萎缩热等。

But this and other price shocks were event-driven —— drought in the Soviet Union , crop-shrinking heat in the U.S. Corn Belt .

吉林玉米带典型区域地下水硝态氮污染状况调查分析

Jilin Corn Belt Typical Regions Groundwater Nitrate-nitrogen Pollution Condition Diagnosis

为研究农田土壤碱解氮的含量及其分布，以东北玉米带不同纬度农田土壤为对象，研究了100cm深度范围内碱解氮含量垂直分布及纬向分异特征。

The vertical distribution and latitudinal differentiation of alkali-hydrolyzed nitrogen in the profile down to 100 cm depth of maize soils in Northeast China was investigated along a latitudinal gradient .

并建立了0～30、30～60、60～90及0～90cm土层土壤含水量随时间变化的数学模型，以此来预测试验条件下套作玉米带土壤水分随时间变化的动态。

In addition , mathematical models describing the changes of soil water contents with time within 30 cm , 60 cm , and 90 cm depth were also proposed , with which the temporal dynamics of soil water in the intercropped maize fields could be well predicted .

吉林省玉米带遥感估产信息系统实验研究

Study on Remote Sensing Yield Estimation Information System in Jilin Maize Zone

吉林玉米带现行耕作制度对黑土肥力退化的影响

Influence of present farming system of corn belt on fertility degradation in Jilin Province

去年美国中西部玉米带的农田价值上升了22%。

Farmland values in the midwest corn belt rose 22 per cent last year .

松嫩平原玉米带农业生态系统的研究（Ⅱ）&能流模型的建立与可持续性分析

Modelling and analyses of energy flow in corn - belt agro-ecosystem in Song-Nen Plain

吉林省玉米带低水玉米高产栽培技术的研究

Study on High Yield Cultivate Technique of Corn with Low Water Content in Jilin Province

东北玉米带热量资源的变化规律研究

Study on the variation laws of the thermal resources in maize-growing belt of Northeast China

衣阿华州地处玉米带。

Iowa is in the corn belt .

吉林玉米带黑土有机无机复合体组成及有机碳分布特征

The Composing of Organo-mineral Complex and Its Organic Carbon Characteristic Distributing of Corn Belt Phaeozem in JiLin

但是，中西部玉米带获得足够的雨水。

Yet , the Middle West an area known as the Corn Belt has received enough rain .

宁夏引黄灌区胡麻套种玉米带型优化研究

Studies on the strip pattern optimization of relay intercropping of flax and maize in the irrigated area of Ningxia

以吉林省中部玉米带黑土为供试土壤，研究了黑土不同剖面构型的结构特性。

Construction properties of different soil profile constitutions in black soil of corn belt in Jilin were systemically studied .

吉林玉米带黑土颗粒表面的分形维数及其与一些物理性状的关系

Fractal Dimensions of Particle Surface of Phaeozem in Jilin Corn Belt and Their Relationship with Some Soil Physical Properties

美国中西部以玉米带闻名于世，那里是美国大部分玉米的产地。

The American Midwest is known as the corn belt & that is where most of the nation 's corn is grown .

摘要通过田间调查和土壤肥力指标分析，探讨了松辽平原玉米带黑土肥力退化的原因和机理。

Through field investigation and soil fertility index analysis , causes and mechanism of fertility degradation of black soil in the Songliao Plain were explored .

根据美国农业部的信息，整个九月玉米带的多数地区仍然“轻微地”或者“反常地”干燥。

Through September , the corn belt was still " slightly " or " abnormally " dry in most areas , according to the USDA .

研究吉林玉米带现行耕作制度下所形成的剖面构造特征对土壤物理特性的影响。

The research aimed to study the effects of the profile conformation characteristics of Jilin corn belt under current farming system on the physical characteristics of soil .

如在美国玉米带的寒冷地区和阿根廷的干旱热带草原地区，条施是磷肥施用的优选方法。

For example , in colder soils of the American corn belt and drier areas of the Argentine pampas , banding is the preferred method for phosphate fertilization .

由于所处世界黄金玉米带，通辽黄玉米因质量好、品质高等特性蜚声海内外。

In which the World Gold corn belt , the Tongliao city yellow corn because of good quality , quality , containing starch and high features renowned at home and abroad .

黑土带是东北玉米带的核心，玉米产量和出口量分别占全国的1/3和1/2。

The black soil belt is the most important area of Northeast Corn Belt , and corn production and exports account for 1 / 3 and 1 / 2 of the whole country .

美国中西部以玉米带闻名于世，那里是美国大部分玉米的产地。我国内蒙东部初次发现的玉米新害虫

The American Midwest is known as the corn belt & that is where most of the nation 's corn is grown . REPORT ON A NEW INDIAN CORN PEST IN THE EASTERN PART OF INNER MONGOLIA AUTONOMOUS REGION , CHINA

制钵机主要用于制作棉花、玉米带种营养钵，自动化水平高，能够连续完成由营养土和种子到营养钵的生产过程，生产率可达50000株/h。

It is mainly used in making cotton and corn seed nutrition bowl . It has high level of automation and can finish the productive process from nutrition soil 、 seed to nutrition bowl continuously . The productivity reaches 50000 plants per hour .

子系统用非线性模型、大系统用线性整合的方法建立了哈尔滨玉米带及玉米、大豆三区轮作带与奶牛养殖相结合的农牧生态系统物流模型。

Linear combinatorial method is used to establish the matter flow model of the mixed agri - ecosystem of cow and cropping in the maize belt and rotation belt of maize and soybean in Harbin , and the unlinear models are used in subsystems .

另外，近些年吉林省玉米带年平均气温明显增加，冬季和春季增温较多，玉米带的玉米种植面积呈现出随气温增加而线性增加的趋势。

In addition , in recent years , it got warmer and this phenomena was more obvious in winter and spring . The sown area of maize in maize belt of Jilin Province took on the increasing trend along with the increased air temperature .

本文探讨了吉林省玉米带遥感估产信息系统的设计目标、总体结构、数据获取及实现方法，并进行了玉米种植面积提取、长势动态监测、区域土壤水分条件评价与产量模型构建等应用研究。

The paper introduces the objective , components , data capture and implementing way of maize yield estimation imformation system , and uses it in the study on maize acreage calculation , health and growth monitoring , regional soil moisture content assessment and final yield forecast .

本文讨论了玉米G-带与哺乳动物G-带的相似点以及用ASG法进行玉米G-带显带应注意的技术问题。

Similarities of G-bands in maize and mammals as well as points for attention using ASG method in maize chromosome G-banding are discussed .

杂交玉米制种带叶去雄对产量的影响

Effect of Castrating with Leaves of Hybrid Maize Production on Yield