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Agroecosystems can be hazarded seriously by many kinds of stresses, sometimes even caused irreversible collapse. So it is very important to protect their health.

各种胁迫因子对农业生态系统可能造成极大危害,有时甚至会带来不可逆转的崩溃,因此保护农业生态系统的健康十分重要。

The situation of our country indication: agricultural industrialization is very important for development of agriculture and rural economy and is method for heightening international competitiveness in China.

我国的国情表明:农业产业化在中国农业和农村经济发展中有重要的地位,是提高中国国际竞争力的有力措施。

Additional farm programs included Federal farm credit for operating and ownership loans and assistance to tenants and other landless rural residents in acquiring small homesteads.

其它的农业计划包括联邦为运营和物主贷款提供的农业信贷,以及为租户和其它无土地者收购自留地提供的支持。

Majority of agriculture immigrates that rushes to the land wells up into Northeast China. Their arrival enormously promoted northeasts agricultural development.

奔向土地的农业移民大部分涌入东北,他们的到来极大地促进了东北北部的农业开发。

According to the analysis result of the physical and chemical characteristics of the agricultural wastes can be concluded that the method of incinerating to deal with these agricultural wastes was considered as the optimal and feasible method.

根据这些农业废弃物之理、化特性分析结果,可判定利用焚化法来处理该等农业废弃物系为最适当可行的方法。

The degree that system of agricultural science and technology innovates and effect restrict the development of agricultural economy greatly.

农业科技体制创新的程度与成效在很大程度上制约农业经济的发展。

Irrigating agriculture has long history in China,and sustainable development of agriculture depends on water resources use condition to much extent.

灌溉农业在我国有着悠久的历史,我国农业的可持续发展很大程度上依赖于水资源的利用状况。

Modern Uigar nationality is an agricultural nation, and its economy belongs to irrigating type.

现代维吾尔族主要是一个农业民族,其经济文化类型属于绿洲灌溉农业

In 1980 under the leadership of the National Agricultural Commission,theinvestigation on the problems of the agricultural economics in eleven counties(Tongxian of Beijin,Jading of Shanghai,Hailun of Heilongjiang etc)had beencarried out.

1980年在国家农委领导下,开展了对十一个县(北京通县、上海嘉定、黑龙江海伦等)农业经济问题的调查,本文对目前农业生产结构存在问题以及如何调整进行粗浅的分析和探讨。

Due to food pressure, grain product in the western Jilin Province will be enhanced in the near future. Farmland areas in the area will be decreased slowly in the near future, but with the technique development of irrigation establishment, paddy areas and utilization amount of fertilizer and pesticides will be increased rapidly. So, the NPS pollution from farmland will be more serious. The main lakes in the areas such as Moon Lake and Qagan Lake have been polluted by N and P, and the content of salt in the Nenjiang River has been increasing since last 30 years. All of these show that the negative effects of NPS pollution in the area have been serious and should not be neglected by the scientific research and corresponding government management. To deal with the contradiction of agriculture development and water pollution, the trend of increasing paddy area and using amount of fertilizer, pesticide and herbcide in the western Jilin Province should be controlled. Also, the drainage of return flow from paddy should be controlled and return flow should be disposed with ecotechniques by use of the large areas of lakes and mires in the area. Through these measures, the quality of surface water could be protected and the degeneration of ecoenvironment in the area could be contained.

我国由于粮食压力,未来吉林西部的粮食生产还将进一步加强,随着种植业结构的调整,垦殖率会略有下降,但随灌溉设施的建设与完善,水田面积将进一步扩大,化肥、农药的用量还将快速增加,农业活动引起的非点源污染将更加突出,而研究区的主要湖泊月亮湖、查干湖目前已达中等富营氧化水平,嫩江水质的咸化趋势明显,因此农田非点源污染物的流失及其内流区外流化面积的增加对地表水体富营养化、咸化的作用愈来愈明显,农田非点源对地表水水质的影响已不容忽视,应引起社会的关注,为协调农业发展与水污染这一矛盾,吉林西部应遏制化肥、农药施用量增长过快和水田过度开发的势头,控制洗盐回归水的排放量,利用区内广泛分布的大量泡沼对农田径流和回归水进行生态处理,既保护了地表水的水质,又有利于生态环境的改善。

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The split between the two groups can hardly be papered over.

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