查询词典 soil

Soil moisture, soil salinity and soil acidity, by Levins formula and the method by Wang gang.

结果如下：1在群落梯度上，生态位大小依次为红砂( 0 。70 1 0 )，梭梭( 0 。6 4 34 )，角果藜( 0 。4 774 )，雾冰藜( 0 。374 5 )，盐爪爪( 0 。35 4 1 )，叉毛蓬( 0 。335 4 )和碱蓬( 0 。2 76 9)；2红砂在土壤水分、土壤盐分、土壤酸碱度维上的生态位分别为 0 。5 2 74 ，0 。6 0 39和 0 。36 2 0 ，梭梭在这 3维上分别为 0 。332 0 ，0 。30 83和 0 。5 1 0 3，从生态位宽度看，红砂和梭梭处于优势种地位，其余为非优势种；3每个物种在群落梯度上的生态位宽度基本大于在上述 3个资源轴上的平均生态位；4红砂与梭梭在土壤盐分维上的生态位重叠最大( 0 。4 2 0 3)，表明了这两个优势种在利用土壤盐分方面有相似的特性

In order to solve the problem of decline in land productivity and spread of soil mediated disease like Fusarium wilt in banana orchard caused by degradation of land quality, integrated measures including soil disinfection by application of modified lime nitrogen, decontamination by irrigation water, continued soil disinfection and field experiment were carried out in an abandoned banana orchard.

针对我国香蕉主产区蕉园土壤退化引起的土地生产力疲劳、毁灭性土传病害泛滥、养分不均衡等问题，通过田间试验研究了改性石灰氮综合措施防治香蕉枯萎病的效果。

However, there are some difficulties in controlling lime-ash soil construction quality, especially the lime content , fewer researches are done to inspect lime content as well as lime content decaying in lime-ash soil and most inspections on the construction spot are based on lime-soil.

但是对于二灰土施工质量控制特别是灰剂量的控制难度较大，灰剂量的测定和二灰土灰剂量的衰减问题方面的研究较少，施工现场检测大多基于石灰土。

Lingyun, Guangxi music industry is located in the north-western mountain districts, near the Yunnan-Guizhou Plateau, high and steep terrain, which rise amid undulating, tree height Lin Micronesia, spring over, vertical and horizontal streams, lush, cloud the fine mist, sunshine appropriate diffuse light, and the climate mild and humid, spring Summer is "sooner or later all over the sunny mountain fog, rain all day Manshan clouds" is not cold in winter and summer without heat, the annual average temperature of 19-23 ℃, annual rainfall 1700-1800 mm, more than tea grown in 800-1500 m peaks of the mountains, the lace tea plantations are located in Canyon Creek, the soil most of the plateau forest soil, organic matter content was high, deep fertile soil suitable for growing tea.

凌云、乐业是位于广西西北部的山区县，靠近云贵高原，地势高峻，峰峦起伏，树高林密，山泉遍布，溪流纵横，郁郁葱葱，云雾蒙蒙，日照适宜，漫射光多，气候温和湿润，春夏更是&晴时早晚遍山雾，阴雨成天满山云&，冬不严寒，夏无酷暑，年平均温度19-23℃，年降雨量1700-1800毫米，茶树多生长在800-1500米的群山峻岭上，连片茶园多分布在峡谷溪间，土壤多为高原森林土，有机质含量高，土层深厚肥沃，适宜茶树生长。

Yellow-brown soil and fluvo-aquic soil, two typical soils in Hubei Province, Central China were selected to collect sixteen undisturbed soil monolith lysimeters and installed at a field facility in Huazhong Agriculture University.

试验采用湖北地区典型土壤类型黄棕壤与潮土，在华中农业大学校园内每种土壤安装16个大型蒸渗仪。

The path analysis shows that in the net bag with mesh diameter of 0.5cm, the main influencing factors of Heptacodium miconioides deblade decomposition are the soil fungi, the soil net respiration rate and the soil water content.

通径分析表明，在0.5cm的网袋中，七子花落叶分解的主要影响因素为土壤真菌、土壤净呼吸速率、土壤含水量。在0.2cm和0.1cm网袋中，主要影响因素为土壤温度、土壤净呼吸速率和放线菌的数量。

The results showed that the volume weight of soil minished, the soil capillary porosity increased, and the physical and chemical characters of soil improved.

施用有机肥可以增加土壤养分含量，有机质、速效磷、速效钾、全磷含量比对照有显著增加。

The content of different nutrient was variated in:change of soil organic matter in the rate of 6.32～35.83 g/kg,the coefficient variation was 29.72%,change of the soil available nutrient content was not the same,to the most obvious avail-P,the rate of change for the 4.00 to 91.60 mg/kg,the coefficient variation 68.81%,avail-N smaller the range, changes in the rate of 40～182 mg/kg,the coefficient of variation was 26.66%.The average of all soil nutrients are in the middle level of the plentiful-lack Index of available nutrient.

涿州市不同元素养分含量变异情况各不相同：土壤有机质变幅不大，变化幅度为6.32～35.83g/kg，变异系数为29.72%；土壤速效养分含量变幅不相同，以速效磷最为明显，变化幅度为4.00～91.60mg/kg，变异系数达68.81%；碱解氮的变幅较小，变化幅度为40～182mg/kg，变异系数达26.66%，各速效养分的平均值均在丰缺指标所划定的中等养分含量水平。

Less complicated ─ crushed stone soil, sandy soil and filling medium dense, plastic clay soil, water table above the fundus elevation, but easy to unwatering

较复杂──中密碎石土、砂土和填土，可塑粘性土，地下水位在基底标高之上，但易疏干

Use a quick draining soil mix (a packaged soil mix for cactus and succulents should have sand added at the rate of about 2 parts soil mix to one part sand by volume).

使用快速流失土壤组合(包装泥土混合的仙人掌和多汁应堆加在率约为2部分土壤结构，其中一部分由砂量)。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。