耕地的

It destroy water and soil resource and make tillable field barren increasingly and result in our environment worsening, furthermore it endanger people s life and wealth security and restrict the development of economy and society.

水土流失造成水土资源的损失与破坏，使耕地日愈瘠薄，生产力日愈衰退，导致生态环境恶化，危害人民群众的生命、财产安全，制约国民经济和社会的发展。

Grain yield per hectare is the most important factor in the method of the gray system analysis. There was significant correlation between effective irrigated area, the amount of fertilizer applied, mechanical power and the grain yield. The area of grain and the population of agriculture are factors that affect grain production. The correlation coefficient of natural resources and grain production changes unstably.

单产与粮食产量始终保持很高的关联度；有效灌溉面积、实际机耕面积、化肥施用量、农村用电量和农机总动力等农业投入对粮食产量提高影响重大；耕地面积和劳动力对粮食产量具有一定的制约；自然条件与粮食产量的关联度剧烈变动。

An excessive heat burns up all the country:34 they can breed but very few cattle; they are always in danger of wanting them for tillage; their black cattle multiply but indifferently;35 and they are subject to many distempers.

一种过度的炎热烧灼着整个国家：他们只能喂养少量的牛，他们经常缺乏牛来耕地；他们的黑牛繁殖不好，而且易患疾病。

These increased harvests mean that 22％ of world's people are fed just 7％ of the farmland in China.

这些增加的收成意味着中国7％的耕地能养活世界上22％的人口。

But it couldn\'t be sowed or with a low emergence rate for drought.The fluid hilling of maize was put forward in this study which combines the functions of water preserving agent,the watering bed sowing,the properties of the soaked seeds and fluid sowing.

目前我国47%的地区年均降水量不足400mm，每年受旱农田面积占整个耕地面积的25%～30%，干旱造成的损失超过其它所有自然灾害。

This makes Chongqing the most populous city in the world, although its boundaries includes large swathes of rural land and communities.

重庆一跃成为世界上人口最多的城市，但事实上它的辖区内还包括大片的耕地和农村。

In the longer term China plans to divert water from its two longest rivers to drought-stricken areas, although it will remain difficult to get water to mountainous and remote farmland.

从长远来看中国打算从它两条最长的河到因干旱受灾的地区转移水，虽然它将难以让人让水到达多山和遥远的耕地。

Farmland little, fuel the rural abuttals with little, little fertilizer, want pick off poor cap spends superior time, develop " pig, billabong, if really " the zoology agriculture that is an organic whole, it is a honest tweak really.

耕地少、燃料少、肥料少的农村地界，要想摘掉穷帽子过上好日子，发展&猪—沼—果&为一体的生态农业，的确是个实实在在的好办法。

In this paper, we analysed the use present situation and the existng problems of land resources in Xin Yang region by a host of statistics, and expounded the essential causes of soil erosion, soil pollution, soil fertility drop,soil gleying and ploughland reduction and so on.

本文以大量的统计资料分析了信阳地区土地资源利用现状和存在的问题，阐明了引起本区水土流失，土壤肥力减退，低产田，土壤污染，土壤潜育化，耕地减少等问题的根本原因，针对这些问题，提出了一些对策。

Based on picking up the socio-economic ingredients,the thesis makes relative analysis on the change of infields, residential and industrial land.

在提取社会经济因子的基础上，对耕地、居民点及工矿用地这两个地类的变化进行社会经济因子的相关性分析。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。