农田

Canalization, commercial development and pollution have resulted in a loss of aquatic biota and bankside vegetation in the lower reaches of many rivers. Wetlands have been lost to agriculture for grain production and grazing.

开凿运河，商业开发和污染造成了许多河流下游水生生物和河岸植被的减少，湿地被用于农业，变成了农田和牧场。

Air, water and soil pollutants (S7)Canalization, commercial development and pollution have resulted in a loss of aquatic biota and bankside vegetation in the lower reaches of many rivers.

环境关系开凿运河、商业开发和污染造成了许多河流下游水生生物和河岸植被的减少，湿地被用于农业，变成了农田和牧场。

The research results provide basis for quantitative appraising natural environment and predicting soil moisture's distribution and spatial variability and availably controlling、preventing and curing soil basification.

研究成果为定量评价水土资源环境，预测农田土壤水分的分布和空间变异规律，有效地控制、防治土壤盐碱化提供了依据。

It will provide scientific basis for applying fertilizer rationly during biogeochemistry cycles of C, N and global climatic change.

为农田生态系统碳、氮的生物地球化学循环及全球变化下农业生产中肥料的合理施用提供科学依据。

It's a bit slow compared to a plane, but we can enjoy farmlands, mountains and rivers along the railway.

和飞机比有点儿慢，但是我们可以欣赏沿途的农田、山丘和河流。

Soil total nitrogen content and soil available nitrogen content of farmland in Shuangcheng city were analyzed in the research based on 80s' soil nutriments data of the Scientific Database of Agroecology and Blackland in Northeast and 500 soil samples that were collected from the field in 0-20cm in 2005. The maps of soil TN and AN (1:50000) in the 80s were digitized and overlaid with the correspondent maps of 2005 using ArcMap.

本研究利用科学数据库多年来积累的历史图件和数据，并结合2005年耕层（0-20cm）500个采样数据为基础，选择典型黑土区双城市农田为研究区域，分析了22年来该县耕地土壤全氮和碱解氮的时空变化。

Soil and water conservation protective cultivation is an advanced cultivation technology that avoid cultivation or few cultivation on farmland and with stubble cover.Protective cultivation technology is an integration technology that use stubble cover,no-tillage cultivation,deep-plough with machine,and weeding with chemistry.Adopting soil and water conservation protective cultivation can reduce the loss of soil and water in northeast blackland area and improve the soil anti-erodibility.

中文摘要：水土保持保护性耕作是对农田实行免耕少耕，并用农作物秸秆残茬覆盖地表的一项先进耕作技术，保护性耕作技术是由秸秆覆盖、免耕播种、机械深松和化学除草等核心技术组成的一项集成技术，采用水土保持保护性耕作措施可以有效减少东北黑土区的水土流失，提高黑土区土壤抗蚀性。

Master using the special sacred soil, 7 places grave soil, soil from 7 harbors, soil from center of the farm, child bone ash (within 5month and 7 years old) to made the Kumanthrong.

此批古曼童是师傅利用特别的圣土，再加上七个地方的坟土，七个港口的泥土，农田中心的泥土，小孩骨灰（五个月至7歲）而且必须死于星期六，星期二火化。

The machine is completely mounted with tractor, during operation, the discs by its rotating to turn the soil, particularly, it is suitable for operation on the field with grasses, straw and stems of crops or plants, big soil resistance and with many stones and brickbat, etc.

圆盘犁是与拖拉机三点悬挂连接配套，作业时犁片旋转运动，对土壤进行耕翻作业，特别适用于杂草丛生，茎杆直立，土壤比阻较大，土壤中有砖石碎块等复杂农田的耕翻作业。

Add this to the bucolic scenery of Pennsylvania's green valleys, rich farmland, and mountain ranges, and it's no wonder that it's the fifth most populated state in the nation.

加入到了宾夕法尼亚州的绿色山谷，肥沃的农田田园风光，和山脉，这也难怪，它的第五个在全国人口最多的国家。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失