农业土壤的

Water,soil and air there are in line with the standards of organic agriculture.

"自然与健康"是杨百利公司的发展理念，我们的原料基地位于华东地区最大的原始森林（亚热带低纬度常绿阔叶林），这里的水源、土壤和空气都符合有机农业标准。

The object most prominent to his mind in the estate was not the azote nor the oxygen in the soil or the atmosphere, not a particular plough nor manure, but the principal agent by means of which the azote and the oxygen and the plough and the manure were all made effectual—that is, the labourer, the peasant.

他的目光总是盯着整个庄园，而不是庄园的某一部门，在庄园里，主要的东西不是存在于土壤和空气中的氮和氧，不是特别的犁和粪肥，而是使氮、氧、粪肥和犁发生作用的主要手段，也就是农业劳动者。

Groundwater, which enters soil aerial zone through capillary rise, directly affects many surface processes including the physical process of material and energy transformation and the biological process of crop development and growth, as far as all the local agro-ecosystem.

地下水通过毛管上升进入土壤包气带，直接作用于地表过程的各个方面：物质能量转化分配的物理过程和作物生长发育的生物过程的各个方面，从而对当地农业生态产生影响。

Unregulated strip mining may cause soil erosion, pollution of streams from miningrunoff, destruction of the land for agricultural purposes, destruction of ecosystems, and

失控的掠夺式的开采会引起土壤侵蚀，矿区的河流污染，农业用地和生态系统的破坏以及大批物种得栖所丧失。

Poor soils, uneven terrain, and a severe climate led to typical subsistence?farming, the growth of only those crops necessary for family maintenance.

贫瘠的土壤、崎岖的地表以及恶劣的气候造成典型的生存性农业，仅能种植维持农场家庭生存所必需的作物。

This paper aimed at present status that most researches assembled in chemical products, adopted different determine methods, represented the transformation characteristic of nitrogen among water and soil of the sulphureous urea, confirmed the nutrient release speed, found out the optimum determine method in agricultural production application.

针对目前对缓释肥料释放特性的研究集中在化工制作领域这一现状，采用不同的测定方法，阐明含硫尿素中的养分氮在水及土壤中的转化特点，确定养分的释放速率，以求找出适合农业生产应用的方法。

To establish of the funds for rural land circulation of carbon loss and the rural land use right transfer which is helpful with aviating and adapting to the climate changes in China rural areas. To explore how to increase the number of land-based activities, in particular, the activities of reducing deforestationand degradation, restoration of agricultural land and soil carbon sequestration, agroforestry and soil conservation so as to increase the financial compensation for property losses of farmers.

建立中国农村土地流转碳流失基金，建立有利于农村地区减缓和适应气候变化的农村土地使用权流转，探寻如何通过在2012年以后的气候减缓和适应机制的范围内，增加一系列基于土地的活动，尤其是减少森林砍伐和退化、农业土地恢复与土壤碳隔离、农林兼作和水土保持措施，增加农民财产损失资金补偿。

Product purpose:(1) calcium carbide (CaC2), organic synthesis of the basic raw materials, Cyanamid, chlor-alkali products, the main raw materials;(2) polyvinyl chloride, used for light industry, construction materials, agriculture, packaging, medicine , electronic equipment, cars, daily necessities;(3) caustic soda, used in paper making, leather processing and textiles;(4) hydrochloric acid, used in paper making, cleaning, rare earth, organic chemical raw materials, fuel , food leather, metallurgy and other industries;(5) lime nitrogen (CaCN2), used in the manufacture of containers of cyanide, cyanides, alkaline drug fertilizer, lime nitrogen particles, soil particles slow-release fertilizer to improve the main raw material;(6) double Cyanamid (H2CN2 2, melamine in raw materials, synthetic pharmaceuticals, dyes intermediates.

产品用途：（1）电石（CaC2），有机合成的基本原料，氰胺、氯碱类产品的主原料；（2）聚氯乙烯，用于轻工业、建筑材料、农业、包装、医药、电子设备、汽车、日用品；（3）烧碱，用于造纸、皮革加工和纺织业；（4）盐酸，用于造纸、清洗、稀土、有机化工原料、燃料、食品皮革、冶金等行业；（5）石灰氮（CaCN2），用于制造氰容器、氰化物、碱性药肥、颗粒石灰氮、土壤改良型缓释颗粒肥的主要原料；（6）双氰胺(H2CN22 ，三聚氰胺的原料，是合成医药、染料的中间体。

This paper has made systematic research about characteristics of soil water dynamic changes, water deficit of the root-zone of pear-jujube tree with regulated deficit irrigation, physiological control in the process of the water use and the stomal response mechanism of pear-jujube tree under the water deficit environment, and the effects of different deficit irrigation levels at different growth stages vegetative growth and repproductive growth of pear-jujube trees, and also its regulation mechanism.

针对西北半干旱区果业生产面临水资源紧缺的现实，论文以该区特色经济果树梨枣树为研究对象，在西北农林科技大学旱区农业水土工程教育部重点实验室、陕西省大荔县城关镇梨枣园分别开展了温室与大田试验，对调亏灌溉的梨枣树根区土壤水分动态变化特征、水分亏缺与复水环境下梨枣树用水过程、生理调控与气孔响应机理、不同生育期不同水平亏水处理对营养生长与生殖生长的影响及其调控机制等进行了较系统的研究，分析了各生育期不同亏水处理对梨枣耗水规律、产量、品质、作物系数、水分利用效率及经济效益的影响，取得了以下成果：⑴通过亏水处理与复。。。

In recent decades the flatbread eaten in Egypt since before the time of the pharaohs has increasingly been made from imported grain rather than wheat grown by the Nile.

各经济体各展所长。在较为湿润、气候相对温和的地区，土壤中含有更多水分，农业可以依靠廉价的降雨而非成本高昂的灌溉体系。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。