查询词典 saline soil

The saline alkali soil in Jilin province was formed under semiarid and semi moist weather which was distributed in bai cheng region. And the western grassland is the important animal husbandry base in Jilin province. So as far as the development of western animal husbandry and the goal of becoming an ecological province is concerned, it is of important significance that people turn the saline alkali soil into arable soil.

吉林省内的盐碱土，是在半湿润半干旱气候条件下形成的内陆型盐碱土，主要分布于西部的白城地区，而西部草原又是重要的牧业生产基地，因此，将这些盐碱化的土壤转变为可以耕种的土壤，对西部牧业的发展和实现生态省建设的目标来说，具有重大的意义。

In order to know the effects of mulch-drip irrigation on soil enzyme activities of saline-sodic soil with shallow water table, activities of alkaline phosphatase, urease, and invertase around the dripper, within 30 cm in horizontal direction and 40 cm in vertical direction from the dripper during the reclamation process, were investigated. Changes and distribution of soil enzyme activities, also their relationships with principal soil environment factors were studied.

为了解地下水浅埋区重度盐碱地覆膜滴灌对土壤酶活性的影响，测定了重度盐碱地在滴灌利用过程中距离滴头不同水平位置（0～30 cm）和垂直深度（0～40 cm）的土壤碱性磷酸酶、脲酶和蔗糖酶活性，并对土壤酶活性的变化、空间分布特征及与土壤环境因子之间的相关关系进行分析。

In this paper,the geographical distribution,profile shape and char- acteristics of major soil types such as the young brown earth,brown earth and meadow brown earth in the eastern low-mountain and hilly region and the meadow soil,saline meadow soil and paddy soil in the western plain region in Haicheng county of Liaoning Province are diseribed;the primary physico-chemical properties,organic matter,total nitrogen,total phosphorus,total potassium,total exchange of positive ions,the content of.01 physical cl...

本文叙述了海城县东部低山丘陵区的棕壤性土、棕壤、潮棕壤和西部平原区的草甸土、盐化草甸土及水稻土等主要土壤类型的地理分布、特性、剖面性态；论述了这些土壤类型的主要理化性质，有机质、全氮、全硷、全钾、阳离子代换量、。01物理性粘粒含量等及微量元素的含量、丰缺程度。根据主要土壤类型的性质和特点，作者提出了棕壤、草甸土两大土类的合理利用意见及其改良措施。

Based on the field experiment data of winter wheat blending irrigation by saline water in Nanpi Ecological Agriculture Experimental Station of the Chinese Academy of Sciences from 2002 to 2005, the effects of blending irrigation with mineralization of 0.84, 3, 4 and 5 g/L on the soil salification rate, soil sodium adsorption ratio of soil saturation extract as well as winter wheat yield and yield constitute factors irrigated were studied in order to determine upper limit of irrigation mineralization suitable for the location.

根据中科院南皮生态农业试验站2002～2005年的冬小麦微咸水混灌田间试验资料，以淡水为对照研究了矿化度分别为3、4、5 g/L的微咸水混灌对土壤积盐率、土壤饱和浸提液钠吸附比、冬小麦产量和产量构成因素以及水分利用效率的影响，从而确定适宜的灌溉水矿化度上限。

The result of GPR investigation in west Jilin shows that the radar waveform of saline-alkali soil is different from that of tillable soil, and this can be used to distinguish tillable soil from saline-alkali soil. The extent of salinization can be determined according to the relativity of spectra.

吉林西部盐碱地区的探地雷达调查表明，盐碱地与耕地土的雷达回波具有明显差别，根据振幅的衰减特征可以精确区分耕地与盐碱地，根据频谱中高频峰值与土壤有机质含量的相关性可定性评价土壤的盐碱化程度。

The results of saline water irrigation (1990~1995) showed that the yields of wheat, corn, cotton and grain increased 30% more than those of non-irrigated crops. In the condition of spring irrigation and concentrated rainfall, the soil desalinized in root zone, and the accumulated salt due to saline water irrigation can be leached; reasonab...

三坝浅层地下咸水灌溉试验( 1 990～ 1 995)的研究结果表明，利用 3.0～ 5.1 g/ l的咸水灌溉小麦、玉米、棉花和高粱，均比不灌的增产 30 %以上；在春季河灌和汛期集中降雨淋洗的条件下，作物根层土壤不积盐；实行咸淡水轮灌，增辟水源，改善水质，可获作物增产。

Even 20%plantlet rate,it still showed that A.venetum has strong saline-alkaline tolerance and A.venetum could be used pioneer plant when saline-alkaline soil needs to be recovered and meliorated.

虽然在盐碱土上只有20%的出苗率，仍表明罗布麻具有很强的耐盐碱能力，可以作为盐碱地植被恢复和改良的先锋植物，具有很高的生态价值和经济价值。

The upland yellow-red soil as case, the automatic classification techniques for soil type and soil organic matter map at county scale (1:50,000) were developed based on knowledge classification rules and expert classified simulator; The relationship between physico-chemical properties of coastal saline soils and their hyperspectral reflectance were studied; The multi-temporal RS data were used to detect the land use in coastal soil region; The spatial variability and sampling strategy for coastal saline soils were researched.

以滨海盐碱土为对象，在国内系统的开展了盐碱土理化特性和地面土壤高光谱之间的关系研究，并利用不同时相遥感资料进行盐碱土地区农业土地利用制图，研究了盐碱土不同剖面土壤空间变异特性和高效采样策略。

Topsoil soil salinity of 0.2%-0. 4%, and called the light saline-alkali soil, select salt-tolerant crops and varieties, such as sunflower, sugar beet, sorghum, and black beans to the corresponding saline-alkali and other measures, will be able to obtain higher yield.

耕层土壤含盐量为0.2％—0.4％的，叫轻盐碱土，选择耐盐作物和品种，如向日葵、甜菜、高粱、黑豆等采取相应的抗盐碱措施，就能获得较高产量。

To study the effect of papermaking wastewater irrigation on soil hydrological properties in saline reed field, different wastewater irrigation frequencies were employed in the saline reed field of Yellow River Delta. Soil infiltration course and hydrological properties were determined in field and laboratory. After wastewater irrigation, the change of the soil pH value, soil salt content and soil hydrologic-physical properties were observed. The results were showed that: 1 After wastewater irrigation, the mean reduction of soil pH value was 6.0%.

为研究造纸废水灌溉对黄河三角洲内陆盐碱芦苇地土壤水文特征的影响，通过设置芦苇地不同废水灌溉次数下的随机区组试验，采用田间测量土壤入渗过程和实验室内测定水文物理参数相结合的方法，分析造纸废水灌溉前后土壤pH值、含盐率及土壤水文物理参数的变化。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。