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The study show that the frozen earth in this area is mainly silty clay. The content of the dissolvable solt is relative high,which is 12.01%, and the main salinity is NaCL and KCL. The research also revealed that frozen intensity would ascend jumpily when the water contend in the soil reached its optimization( 10.61%) and kept rising,and this phenomena got more obvious with the decrease of the temperature. Between 0C and 10C, the frozen intensity vared very obviously, when the temperature is under -10C, the variety of frozen intensity got gently, and the change is not obvious. The frozen strength was influenced by the solution thickness in the soil hole.when the thickness increased, the frozen intensity decreased.

研究表明:那曲河地区冻土区冻土主要为颗粒较细小的粉质粘土:土样易溶盐含量较高,为12.01%,主要盐分为氯化钠NaCL和氯化钾KCL;该地区冻土土内水分达到最优含水率10.61%并继续增大时,冻结强度有个跳跃式的上升,这种现象随着温度的降低而愈明显;由0℃到-10℃时,冻结强度变化十分明显,温度下降到-10℃以后,冻结强度变化趋于平缓,变化不甚明显;冻结强度受土样孔隙中盐溶液浓度的影响,盐溶液浓度增加,冻结强度减小。

The amount of pesticide and herbcide applied was less, the pure quantity was only 1. 9kg/ha which is about 40% of the Jinlin Province's average. In farmland, There are 26700ha of solonetz and solonchak, and 289700ha of salinized soil with the high content of salts. The salt content in the surface is 1%-2% in soda meadow solonetz, 1%-4% in sulfate meadow solonetz, below 0.7% in meadow solonchak generally, and below 1% in salinized soil. The runoff and the return flow from above lands have high content of salt and high output load of the soluble salt.

吉林西部耕地中有2.67万hm〓的盐土、碱土和28.97万hm〓的盐碱化土地,这些盐土、碱土及盐碱化土地中均含有较高的盐分,其中苏打草甸盐土表层含盐量1%~2%,硫酸盐草甸盐土表层含盐量可达1%~4%,草甸碱土含盐量一般。7%,来自于这些土地的地表径流和农田回归水中盐分含量高,可溶盐的输出负荷大。

Through comprehensive analysis of many researchresults about movements of soil water and salts and data about effective root zone from literature,it was determined that the appearance of silt clay loam layer or silt clay layer with more than60cm cumulative thickness or more than 20cm continuous thickness in the 0~100cm soil horizonwas one of the most important indicator for soil series classification.It was also determined thatthe solum structure patterns of 0~150cm were another important indicator for soil seriesclassification.

通过对大量有关土壤水分、盐分运移规律的研究成果和有关土壤根系活动空间的研究资料的分析整理,确定了0~100cm土体中出现累积厚度>60cm或连续厚度>20cm的粉砂粘壤土层或粉砂粘土层作为土系划分的重要指标之一;并有根据地确定土表至150cm的土体构型作为土系划分的重要指标。

These tiny wader birds have flown from Russia, and traditionally would have found bountiful food here, at South Australia's Coorong wetlands. But the river isn't delivering enough fresh water into the Coorong, so saline levels are rising, killing many fish. Trawling the South Lagoon, researchers David Short and Neil Wellman have found only one species of fish. In past years, a sweep would yield hundreds.

这些娇小涉水的鸟从俄罗斯飞来,以前都会在这里南澳洲的库隆湿地,找到充足的食物,但河没有为库隆带来充足新鲜的水,所以盐分在增加、害死了许多鱼,在南潟湖拖网捕鱼,研究员大卫秀特和尼尔魏尔曼只发现了一种鱼,以前随便捞就有上百种!

By analyzing soil quality of 4 kinds of land use types in Kalamay agriculture development area according to principal component analysis, we draw the conclusions: nature shrub tree land is affected little by mankind, a great deal of organic matter return to soil every year, and root system can improve soil physical quality, can absorb salt from soil, so the soil quality of nature shrub tree land is the best; the soil quality of farmland is better than the soil quality of manpower Tamarix Bulrush land, which may be reasoned that man make for soil quality by irrigation to exclude salt and fertilizing organic muck in the earlier oasis digging up period. Soil physical qualities of tree land get harden and worsen for flooding irrigation, furthermore climate in Kalamay is dry and rainless , the other irrigation is very long time after the former one, so soil get harden severity and result soil physical quality get worse and worse.

利用主成分分析法分析新疆克拉玛依农业开发区四种土地利用方式下的土壤质量,得出:天然灌木林地,受人为影响较小,每年有大量有机物质返还土壤,且天然灌木的根系可以很好的改良土壤的物理性质,同时所选天然灌木林灌木多是耐盐碱并且本身又具有吸收积累来自土壤的盐分,土壤质量最好;农田受到的人为影响最大,但农田综合得分却好于人工柽柳芦苇地综合得分,这可能是由于在开垦初期的绿洲农田,受到了人们灌水压盐及增施各种有机无机肥料等有利于土壤质量提高的措施所致;乔木林地,由于人们用大水漫灌的方式灌溉,致使林地土壤变得板结,土壤物理性质下降,加上克拉玛依地区气候干燥少雨,一次灌溉后较长时间后才有下一次灌溉,致使土壤理化性质恶化,土壤质量不高。

Planting Suaeda salsa could reduce the soil salt content, but had no obvious restoration effect on subsoil.

种植碱蓬有降低土壤盐分及改良土壤的作用,但对下层土壤没有明显的修复作用。

Structurally, these are actually modified salivary glands, and while alligators and caimans also have these structures they appear to have lost the ability to use them for excreting significant amounts of salt.

结构上,这实际上修改唾液腺,而鳄鱼和caimans也有这些机构,他们似乎已失去了能力,利用它们的排泄大量的盐分。

The results indicated that the surface salt contents in the spring of 2006 were the highest among the three samplings, the surface soil salt contents declined from spring to summer of 2006, and the change of surface soil salt contents was not obvious from summer to autumn/winter of 2006. The variation of surface soil salt contents was related to rainfall greatly.

土壤盐分浓度的变化与降雨量有密切关系,虽然2006年降雨偏多,但佛山市南海区农业集约化水平较高,部分菜地连年种植蔬菜、复种指数极高、化肥施用量偏大,从而在遇到干旱年份和季节,集约化露天菜地土壤仍有发生次生盐渍化的风险。

Greenhouse soils displayed apparent phenomena of salt accumulation in topsoil (0–20cm) and salt leaching downwards to the bottom of the soil (80–100cm), especially NO3- that seriously affected the quality of groundwater in the area. Apart from HCO3-, the contents of NO3-、SO42、Cl-、Ca2+、Mg2+、K+、Na+ were increased to different degree in greenhouse soils, and NO3-、SO42- and Ca2+ were the major ions in the soils.

此外,盐分离子的大量累积和向底层迁移,特别是NO3-的淋溶已严重影响到部分地区的地下水水质。4)设施栽培后,土壤中的NO3-、SO42-、Cl-、Ca2+、Mg2+、K+、Na+均有不同程度的累积,阴离子以NO3-和SO42-为主,阳离子以Ca2+为主。

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3:1 你要写信给撒狄教会的使者,说,那有神的七灵和七星的,说,我知道你的行为,按名你是活的,其实是死的。

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