查询词典 fertile farmland

According to the character of vegetations and geography, Songhua lake Nature Reserve was divided into five kinds of habitats, artificial larch tree, cutting blank, lakefront wetland, farmland region, crude redeposit broad leaf weed tree forest.

根据植被和地形地貌特点，作者将松花湖库区划分为五种生境，即人工落叶松林、采伐迹地、湖边湿地、农田和天然次生阔叶杂木林。

Using a variety of diversity indexes to study the diversity of grasshopper in different habitat region, the results showed that diversity indexof 5 kinds of habitats has the order: crude redeposit broad-leaf weed-tree forest＞farmland region＞artificial larch tree＞lakefront wetland＞cutting blank.

采用各种多样性指数对不同生境蝗虫多样性进行了研究，结果显示，Shannon-wiener多样性指数的排序情况为天然次生阔叶杂木林＞农田＞人工林＞湖边湿地＞采伐迹地，Pielou均匀度指数变化和H′变化较为一致，相关系数为0.918，达到了显著性水平。

Facing the new situation and existing problems, the author submitted several countermeasures. The first was to redraft the Region level development plan on correct objectives. Then it was necessary to build up favorable farmland management system for promoting large scale farming system.

因此，如何认识和把握现代农业园区建设和发展过程中存在的问题，采取切合实际的农业科技进步的对策，加快现代农业园区的机制创新和技术创新，促进台州市农业园区稳步健康发展，是摆在我们面前一个新的而又紧迫的课题。

The effects of soil improvement of reforest pattern from farmland were important index of pattern selection and effects evaluation.

退耕还林不同模式对土壤的改良效果，是退耕还林系统工程中模式筛选和效益评价的重要指标。

The analysis result of the soil nutrient background value at the beginning of site investigation under two reforest patterns and farmland showed: the content of soil total N and Hydrolysable N in pattern 1 were conspicuously higher than the other two. The content of SOM and CEC in subsoil in pattern 1 are higher than in the other two.

采用常规理化测试方法和制备平衡土壤溶液测试两种方法相结合，分析各样地土壤养分特征、土壤养分储量年际变化及土壤溶液中速效养分动态，以探索不同退耕还林模式土壤养分的动态变化规律，为该领域的进一步深入研究奠定基础。

The model was designed with 1: 4 scale, strips width of protection tillage and tradition farming are uniform, to analyze the construction characteristics of the wind velocity flows, the wind velocity lowering rate compared with the wind velocity of farmland and aerodynamic roughness along lengthways of strips under the different experiment wind velocity, diverse width of strip, dissimilar residual stubble density and residual stubble height term.

模型比例尺取1：4，保护性耕作带带宽和裸露带带宽相等，分析不同实验风速、不同带宽、不同作物残茬密度及不同作物残茬高度情况下，风速流场特征、沿带纵向对应裸地风速降低率状况和空气动力学粗糙度。

Because of the activity of mankind that do to the transference and retroflexion of grains of soil, the intensity of soil erosion and nutrient losing has been enhanced, whether it is in the flat, farmland or woodland.

2~(137)Cs在土壤剖面中随深度的增加而呈下降趋势，在非耕作土和未扰动的土壤主要分布在土壤剖面的上部，并富集在土壤表层之间。

Announcement this week issued a new silver fund agricultural Agricole permanent and increased profits and revenue optimization Pu Silver AXA Bond Fund 2, Urawa silver optimize revenue AXA AXA issued Pu Yin second only to the fund, said goodbye to the "single fund" era, the "single-fund" the company currently only remaining farmland, a silver Agricole.

本周宣布发布了一项新的农业基金，东方汇理银常任理事国和增加利润和收入优化浦银安盛债券基金，浦银安盛优化收入浦银安盛发行的第二只基金，告别了"单只基金"的时代，"单基金"，该公司目前仅存的农田，一银汇理。

So This thesis maintain right mortgage right to allow thing right for hypothec that target establish or with movable property thing right of all right, its target is concrete should include farmland right to use , base right to use , natural resources right to use and allusion quatation right; in a situation that cant justify oneself in right system of the right quality , set up a system of guaranteeing central right with hypothec system of the right; house property and real estate can be differentiated the mortgage.

因此，本文主张权利抵押权是以所有权以外的不动产物权或准物权为标的而成立的抵押权，其标的具体应包括农地使用权、基地使用权、自然资源使用权和典权；在权利质权制度无法自圆其说的情况下，建立一个以权利抵押权制度为核心的权利担保制度；房产和地产可以分别抵押。

The soils are too thin, too rock-strewn to make good farmland.

土壤是太薄，太石随处做好农田。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。