plowland

Modelling and Optimization for Sustainable Development of Plowland Based on Distributed Parameter System

基于分布参数系统的耕地可持续发展问题的建模与优化

Protection of plowland is very important to the development of our society .

耕地保护是关系我国社会发展的大事。

A Study on Land Use and Plowland Protection of Small Towns in Jiangyin City

江阴市小城镇土地利用与耕地保护的研究

The application of compound vegetation zone in slope plowland water and soil erosion conservation

复合式生物带在坡耕地水土流失治理中的应用

Application of Excel 2000 in the machine account of plowland reserve and statistical work

Excel2000软件在耕地储备台账、统计工作中的运用

Study on the Effects of Fertilizer and Straw Return to Soil on Plowland Nutrients Variety

秸秆还田和施肥对耕层土壤养分变异的影响

Characteristics of Soil Fertility and Evaluation of Land Capability in Plowland of Anhua County

安化县耕地土壤肥力特征及耕地地力评价研究

Brief discussion on governing measure to the slope plowland in Longjiang County

龙江县坡耕地治理措施初探

The results can provide scientific evidence for giving full play to plowland 's use value and the sustainable development of agriculture .

为充分发挥土地的使用价值及农业的可持续发展提供科学的依据。

Large population , only agricultural economy and limited high-yield plowland were everlasting problems throughout the history of China .

人口的众多，单一农耕经济，高产可耕地又少，是我国历史上永恒的难题。

The usage of Excel 2000 in the machine account of plowland reserve is discussed in the paper .

本文论述Excel2000软件在建立耕地储备台账中的运用方法。

But , its application in the area of replacing plowland with forests is currently seldom .

论文开展GIS在退耕还林中的应用研究，具有一定的独创性。

The research is to analyze the discrepancy of Fujian plowland intensive use level in space-time adopting Principal Components Analysis Synthesis Estimate Model .

本文利用主成分分析综合评价模型，选取四大指标对福建省耕地利用集约水平时空差异进行研究。

There are interlaced characteristics of agriculture and stock raising and plowland and grassplot .

高寒半干旱农牧交错带具有农业与牧业兼业，耕地与草地交织的特点。

Therefore , the development and application of surface subsidence-reducing in mining area is an important method of increasing plowland acreage and protecting environment .

因此开发和应用采动区地表减沉技术是增加耕地面积，保护环境的重要手段。

As result , the plowland are decreasing and the contradiction between plowland and human is intensifying .

相应地，耕地面积逐渐减少，人地矛盾日益突出。

Because most areas in the ecotone are gentle slope hills , the slope plowland accounts for a big proportion .

由于这一地区地形以缓坡丘陵为主，坡耕地占很大的比例，土地的开垦造成了土壤侵蚀。

These counties that comparative rate of plowland change had exceeded average are Mingshan , Hanyuan , Lushan , Baoxing .

其中，耕地相对变化率超过全市平均水平的有名山县、汉源县、芦山县、宝兴县，耕地利用相对变化率大致分布的空间格局是：北部和南部相对变化大，中部相对变化小；

So returning plowland to plant grass , can renew vegetation , improve environment , and also get notable benefit for its various production arrangement , wide-ranging and long production chain .

退耕还草，发展草业，不仅可以恢复植被，改善生态环境，而且由于其生产层次多，范围广，产业链长，效益显著。

Supervision to the implementation of urban and rural planning has been strengthened , and the over-speed tendency of plowland occupation by urban and rural construction has been initially limited ;

强化城乡规划实施的监督，城乡建设占用耕地总量过快增长的势头得到初步遏制；

During the period of 1996 to 2000 , the main conversion relationship occurred between natural wetland and wasteland , except that a large area of marsh wetland was converted to plowland ;

人工湿地主要与未利用地发生转换。1996～2000年期间自然湿地中除沼泽转换关系主要发生在沼泽与耕地之间外，河流、滩地和湖泊主要与未利用地发生转换关系；

This article aimed to study how to improve the utilization of the water resources by applying the technology of filtration irrigation to the plowland croppers in the hills area of loess tableland .

本题目研究的目的是在黄土高原丘陵区研究大田农作物应用节水渗灌技术来提高其对水资源的利用效率。

It is necessary to plant leguminous frutex and pasture in large scale when the project of returning plowland to pasture and forest is carried into execution in the west of China .

我国西部退耕还林还草工程的实施，需要大面积播种豆科灌木和豆科牧草。

At last , it brings forward six suggestions to develop the regional agriculture , for example , improving the mutual mechanism of regional dividing and collaborating , faithfully protecting plowland and perfecting the circulating tache .

最后提出完善区域分工协作互动机制、切实保护耕地、完善流通环节等6项发展区域农业政策建议。

Because most areas in the ecotone are gentle slope hills , and the slope plowland accounts for a large proportion , so it 's very important to manage eco-environment in the gentle slope hills .

本区地形以缓坡丘陵为主，坡耕地占很大比重，因此加强坡耕地的治理显得十分必要。

With the development of economic in various regions , where the plowland is declining and the price of land is increasing , land acquisition and borrow is more and more difficult , which become a problem for the construction of highways , railways .

在各个地区随着经济的发展，耕地面积不断减少并且地价越来越高，征地和取土越来越困难，这成为高速公路、铁路建设的一个难题。

The loss of water and soil on slope plowland and enclosure land of the hillside for regeneration in karst areas of Xichou were analyzed , the result shows that the runoff is influenced by the quantity and intensity of rainfall .

对西畴岩溶地区坡耕地和封山育林地的水土流失测定结果表明：降雨多少和降雨强度对径流影响较大，一般降雨量多的年份或月份，产生的径流量和泥沙流失量也较多。

Hunan province is a large agricultural province , and it is also a province with large numbers of population The rural people own only 1.09 mu plowland every person , less than the average level , 1.78 mu per a person in the whole province .

湖南省是个农业大省，又是一个人口大省，农村人口人平耕地只有1.09亩，低于全国1.78亩/人的水平。

0.08hm ~ 2 plowland occupied by per person in China is less than 1 / 3 of that in the world and the plowland acreage in China reduces at the speed of 400000hm ~ 2 per year .

我国目前人均占有耕地面积仅为0.08hm2，不足世界人均耕地占有面积的1/3，而耕地面积却以每年400000hm2的速度减少。

The conclusion is that the urban land intensive exploitation of Fuzhou is on a high level , but the problems still exist , which includes lots of plowland is occupied by newly increased construction land , and excessively exploitation of land and disengaged land both exist .

得出目前福州市城市土地集约利用处于较高水平，但仍存在新增建设用地占有大量耕地、土地利用过度与闲置现象并存等问题，表明未来福州市还可进一步提升城市土地集约利用水平。