The arable land not suitable for expanding or for mechanizing.
二耕地散碎不利于扩大农场经营规模或应用机械耕作者。
The arable land not suitable for farming, irrigation, and drainage.
一耕地丘形不适于农事工作或不利于灌溉、排水者。
The arable land area that they newly assart have reached 5000 hektare.
他们新开垦的耕地面积达五千公顷。
Analysts believed several major factors contributed to the arable land loss.
分析人士认为耕地流失是由好几个因素造成的。
The developed nations, with about onefourth of the world's population, possess almost half the arable land of the earth.
发达国家人口占世界的四分之一，拥有耕地将近世界之半。
The population and the gross potential land resource are proportional to the arable land area and its unit productivity.
人口数量和土地资源生产力与耕地面积和土地单产潜力成正比。
In spite of water shortages and with just 7 percent of the arable land on earth, China has to feed a quarter of the world’s population.
尽管水资源匮乏，耕地面积只占世界的7%，但中国得养活全世界四分之一的人口。
The combination of Aluminium toxicity with soil acidity is a major crop growth limiting factor in over 40% of the arable land in the world.
世界上40%以上的耕地因为铝离子毒性和土壤酸性的综合作用而限制了农作物的生长。
But there are the phenomena of salinity cumulation and eluviation in the arable land, and the soil salinity is relatively even in the profile.
而耕地内土壤盐分存在多次积盐和脱盐过程，培面中盐分分布比较均匀。
The arable land and salinized land patches congregated and expanded, while the landscape of grassland and forestland were becoming more fragmented.
较大面积的草地和林地被分割、破碎化，小块盐碱化草地空间聚集与扩张。
Another effective measure is to restrain the utilization of the land and to exploit the new technology to improve the productiveness of the arable land.
另一个是抑制土地利用率和利用新科技来提高耕地生产率的有效措施。
Base on analyzing the region the study inquired into the theories and methods of the arable land gradation and classification which is outskirts town's arable land.
本研究在分析区域特点的基础上，探讨了城郊型县域农用地分等定级的理论和方法。
Therefore, the reference land unit method designed can provide as a reference method or model for other places in(China), when the arable land evaluation to be conducted.
所以，所设计的样地法可为中国县域样地法耕地评价提供方法与模式参照。
It's really a marvelous fact that China is capable of supporting a population four times that of the United States with the arable land half as much as that of the United States.
中国的可耕地仅为美国的一半，却能够负担四倍于美国人口的人民吃饭问题，这的确是一个非常了不起的事实。
Just 25 per cent of the country's land is suitable for crop growing, most of which is already occupied by arable fields.
中国只有25%的土地适合种植农作物，其中大部分已经被用作耕地。
The terrain changed quickly from arable land to desert.
这里的地形很快由耕地变为沙漠。
To feed the larger population, humans need to obtain arable land, so there is a massive clearing of trees.
人类为了养活比以前更多的人口，需要获得可耕地，因此大量砍伐树木。
Mongolia is the 18th largest country in the world by area. However, it has very little arable land: much of its area is grassland.
蒙古是18世纪世界上面积最大的国家，不过蒙古的可耕地面积非常少，大部分都是草地。
Africa holds half of the land that will be made arable before 2030, according to the Food and Agriculture Organization.It's not bad land.
据粮食及农业组织报道，在非洲有一半的土地可保持耕种至2030年，这些都是很好的土地。
Besides safeguarding their interests, the latest plan also preserves strict limits on the transfer of arable land.
新土地改革决定在保护农民的利益的同时还对可耕种土地的流转做出了严格规定。
That's about 1.4 percent above the minimum requirement for arable land, says the ministry.
那大约已经超过最低可耕地要求1.4个百分点。
We intensified the protection of arable land and the construction of agricultural water conservancy projects, and increased overall agricultural production capacity.
加强耕地保护和农田水利建设，提高农业综合生产能力。
In Britain the rental yield on arable land fell from 3.4% in the second half of 2003 to 1.75% in the first half of 2011, according to the Royal Institution of Chartered Surveyors.
据英国皇家特许测量师学会统计，英国耕地出租的收益率已经从2003年上半年的3.4%跌至2011年上半年的1.75%。
China has about 40 per cent of the world's farmers but just 9 per cent of the world's arable land.
中国农民数量占全世界的40%左右，而耕地面积仅占9%。
Farming is ruining the environment, and not enough arable land remains to feed a projected 9.5 billion people by 2050.
传统种植业正破坏环境，到2050年，全世界人口将达95亿，届时可耕地面积将不足以供养这么多人口。
As well as the noise, traffic, loss of arable land and threat to birds, airports are a major source of pollution and greenhouse gas emissions.
机场不仅导致了噪声、交通堵塞、耕地流失，威胁鸟类，还是主要的污染源和温室气体排放源。
As well as the noise, traffic, loss of arable land and threat to birds, airports are a major source of pollution and greenhouse gas emissions.
机场不仅导致了噪声、交通堵塞、耕地流失，威胁鸟类，还是主要的污染源和温室气体排放源。
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