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effect of soil improvement
相关语句
  土壤改良效应
     Evaluation on Effect of Soil Improvement of Wind-Break and Snow-Prevent Zoology Project Constructed in Laofengkou of Xinjiang
     新疆老风口防风阻雪生态工程的土壤改良效应评价
短句来源
  改良土壤作用
     it was demonstrated that the mixed forest of Populus davidiana Dode had the highest yearly productivity and the best effect of soil improvement such as the bigesst ability of soil moisture content, soil moistur supply,nutrient content and fertilizer supply by experiments of 4 kinds of man-made forest of Populus davidiana Dode in gullly region of the loess plateau.
     对黄土高原沟壑区4种人工山杨林分的试验研究表明,山杨沙棘混交林年生产力最高(为各对比的2.2~8.2倍),改良土壤作用最好,具体表现在林地土壤水分储量、供水能力、养分容量、供肥能力均为最大。
短句来源
  对土壤的改良效果
     the effect of soil improvement is vary with composite time,Loquat-Watermelon system has been managed for 4 years is better than the one has been managed for 2 years,total nitrogen in 0~20 cm of the first system is increased 41.67% times over that of the latter,organic matter in 20~40 cm is increased 43.23%,and total kalium is inceased 23.41%;
     不同复合年限的系统对土壤的改良效果不同,复合4年的枇杷—西瓜复合系统效果明显好于复合2年的系统,前者0~20 cm土层的全N含量比后者高41.67%,20~40 cm土层的有机质含量比后者高43.23%,40~60 cm土层的全K含量高23.41%;
短句来源
  “effect of soil improvement”译为未确定词的双语例句
     Desertified Soil Resource and Effect of Soil Improvement and Fertilization by Planting Ephedra Intermedia in Hexi Corridor
     河西走廊荒漠化土壤资源及麻黄草改土培肥效应
短句来源
     The results of study showed that applying coal fly ash in Shajiang Black Soil could decrease the soil density,increase the soil porsity and temperature,and maintain the soil water content relatively high,and the more coal fly ash was applied,the better the effect of soil improvement was.
     研究结果表明:粉煤灰施入砂姜黑土后,具有明显降低土壤容重,增加土壤孔隙度,提高土壤温度和保持土壤水分的作用,这一效果随粉煤灰用量的增加而增强。
短句来源
     Based on excavation engineering of the Pudong shaft of the Shanghai Huangpu River pedestrian tunnel, the effect of soil improvement on lateral deformation of the retaining wall is studied, and also, the results of improvement of soil behaviors and lateral deformation of the retaining wall with different improvement methods are discussed.
     文章针对上海市黄浦江行人隧道浦东竖井的基坑开挖 ,对坑内加固的效果以及墙体侧向位移进行了实测分析 ,讨论了不同加固方法对改善和提高坑内土体力学参数的效果 ,以及不同加固方式对墙体位移的影响
短句来源
     By comparing of technology and economy, it shows that the effect of soil improvement adopting rotary Jet grouted pile is batter, which meet demands designed.
     经技术经济比较 ,采用旋喷桩地基加固处理后 ,满足了设计和使用要求 ,收到了良好的效果。
短句来源
     The effect of soil improvement and rice yield increase of applying the different ratio of peat and weathered coal on salinization soil was studied by pot experiment.
     采用盆栽试验方法 ,研究了在盐碱土中分别施入不同比例草炭和风化煤的改良效果及对作物的增产效果。
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    it was demonstrated that the mixed forest of Populus davidiana Dode had the highest yearly productivity and the best effect of soil improvement such as the bigesst ability of soil moisture content, soil moistur supply,nutrient content and fertilizer supply by experiments of 4 kinds of man-made forest of Populus davidiana Dode in gullly region of the loess plateau. It is successful that comprative evaluation system of soil quality was developed by data and intensity index of the contract...

    it was demonstrated that the mixed forest of Populus davidiana Dode had the highest yearly productivity and the best effect of soil improvement such as the bigesst ability of soil moisture content, soil moistur supply,nutrient content and fertilizer supply by experiments of 4 kinds of man-made forest of Populus davidiana Dode in gullly region of the loess plateau. It is successful that comprative evaluation system of soil quality was developed by data and intensity index of the contract soil moisture and fertilizer in experimental filed. The results of soil evaluation tallied with that of evely year's contract productivity, and they was significant at the 0. 001 level of probability. It was pointed out that attention should be strengthened the afforest work of Populus davidiana Dode mixed forest in the Loess plateau.

    对黄土高原沟壑区4种人工山杨林分的试验研究表明,山杨沙棘混交林年生产力最高(为各对比的2.2~8.2倍),改良土壤作用最好,具体表现在林地土壤水分储量、供水能力、养分容量、供肥能力均为最大。用试验区各对比土壤水肥的数量和强度指标建立的土壤质量综合评价体系是很成功的。土壤质量评价结果与各对比年生产力相当吻合,并有极显著的线性关系。文中指出,黄土高原应重视山杨沙棘混交林的营造工作

    The plant measurement among the improving measurements of the granite red soileroded region is dorminant, engineering measurement is supplementary. Green manure, fuelwood, herbage and fruit tree were phanted in different type of land according to its site condition. The five-year experiment shows that this measure ment not only improved efficiently theplant regime, but also improved the physical and chemical property of environment and soil, aswell as land productivety. In 1991, the mean coverage of vegetation...

    The plant measurement among the improving measurements of the granite red soileroded region is dorminant, engineering measurement is supplementary. Green manure, fuelwood, herbage and fruit tree were phanted in different type of land according to its site condition. The five-year experiment shows that this measure ment not only improved efficiently theplant regime, but also improved the physical and chemical property of environment and soil, aswell as land productivety. In 1991, the mean coverage of vegetation in the experimental regionreached to 85%. Its biomass amounted to 26-32 t/hm2. a. The ammount of son loss every yearreduced by 4394. 2 t/km2. The soil mean temperature decreased by 4. 5℃ in summer. The airhumidity in the forest rose relatively. The direct economic effect reached to 995 Y /hm'. The effect of soil improvement was 1156 /hm2. This measurement brought great social benefit and economic benefit.

    本研究以植物措施为主,工程措施为辅,对花岗岩红壤侵蚀区进行改良,在不同的地形区域种植山地绿肥、薪炭林、牧草和果树.5年的试验结果表明,这一措施有效地改变区域的植被状况,大大改善环境和土壤理化性状,提高土地生产力,是花岗岩红壤区改良的有效途径.1991年试验区内植被覆盖率提高到85%,生物量达26~32t/hm2·a,年减少水土流失量4394.2t/km2,夏季地表温度平均降低4.5℃,林中空气湿度相对提高.净直接经济效益995元/hm2,改土增肥效益达1156元/hm2,具有显著的社会经济效益.

    Four kinds of fruit trees, castanea mellissima, prurus spp, ziziphus jujuba, actinidia chinensis and three kinds of green manures, crotataria spcitablis, vigna sinensis, cassia tora and its comparition are chosen. Through 2 factors, 4 levels random design, sixteen combinations are tested. Fruit trees' adaptability, growth, bearing and the effect of soil improvement of each combination are observed and evaluated. According to ecological and economical benefits, four optimizations combinations are indentified...

    Four kinds of fruit trees, castanea mellissima, prurus spp, ziziphus jujuba, actinidia chinensis and three kinds of green manures, crotataria spcitablis, vigna sinensis, cassia tora and its comparition are chosen. Through 2 factors, 4 levels random design, sixteen combinations are tested. Fruit trees' adaptability, growth, bearing and the effect of soil improvement of each combination are observed and evaluated. According to ecological and economical benefits, four optimizations combinations are indentified by principal component analysis. They are castanea mollissima+crotataria spcitablis, castanea mollissima+vigna sinensis, actinidia chinensis+crotataria spcitablis and prurus spp+viga sinensis

    选择板栗、奈李、枣树、猕猴桃4种果树与猪屎豆、豇豆、草决明3种绿肥及对照进行随机配置,得到16种不同的配置模式.通过对不同配置模式的果树适应性、生长、结实情况以及改良土壤效果的评价,根据生态效益、经济效益并重的原则,用主分量分析的方法做出优化模式选择.认为板栗+猪屎豆、板栗+豇豆、猕猴桃+猪屎豆、奈李+豇豆4种配置模式的综合效益最好.

     
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