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- The result was,mulching could hold soil water, improve soil physics characters and fertility conditions,which is good for Maize to grow,and it increased the yield and revenue. 结果表明,覆盖种植有利于蓄水保墒,改善土壤物理性状,培肥地力,为玉米生长创造了良好的生态环境,有利于增产增收;
- The relation between the wilting point with the soil physics characters as clay content,organic matter content and the salt content have been studied based on the experiments in field. 基于清徐大田土壤试验研究了土壤的凋萎系数与其土壤物理性粘粒含量、有机质含量以及土壤全盐含量之间的关系。
- Effect of hill culture on soil physical characters and wheat development in pre-winder 小麦垄作对冬前土壤物理性状及小麦生长发育的影响
- soil physical characters 土壤物理性状
- Soil physical mechanism of the processes of water saving. 节水高产技术体系土壤物理学机理。
- Study on the dynamic variation of the soil nutrients and soil physical character istics of the film-bottomed sandy farmland 衬膜沙地农田土壤养分动态和物理性状的研究
- Study on responses of soil physical character to stocking rate of yaks on mixed sown pastures of perennial grasses in Yangtze and Yellow Rivers source region 江河源区披碱草和星星草混播草地土壤物理性状对牦牛放牧强度的响应
- Objective To study the physical characters of NRL 001 heating machine. 目的 对NRL 0 0 1型深部热疗机物理特性进行研究。
- Waxy gene can affect the starch composition and physical characters of corn kernels as well as seedling vigour. 摘要玉米蜡质基因之作用虽系改变胚乳内淀粉之组成,但亦会影响到子实之物理特性及幼苗之生长。
- The AWC of main sorts in China was estimated with the studied model and elementary soil physical and chemistry data. 将研究所得的土壤AWC估算模型,结合收集整理的土壤理化数据,进行我国主要土壤类型的土壤AWC估算。
- The gross physical character of a rock or rock formation. 岩性一种岩石或岩石构造的所有物理属性。
- Soil erosion seriously influences soil physical and chemical properties, and further limits crop production. 土壤侵蚀严重地影响土壤物理和化学性质,限制了作物生产;
- Among the researches of bombarded polymers, the cross-linked structure efficiently account for these improvements of physical characters. 利用交联网状结构模型分析聚合物强化机理,比较好地解释了上述性能改善的原因。
- However, the injury in ceramsite is slighter than that in quartz sand, which is mostly due to different physical characters. 两种滤料相比,陶粒滤料中蚯蚓体壁组织结构的受损程度较小,这主要是由两种滤料不同的物理性状所引起的。
- Along with the increasing length of stopping discharging the gangue, the soil physical and chemical characteristics improve gradually. 随着停止排矸年限的增加,土壤理化性状逐渐改善。
- Advances on physical characters,formulations and applications etc.of non-ODS organic cleaning solvents were also reviewed. 非ODS有机溶剂清洗剂的配方、性能、应用领域等方面的进展。
- The Effects of Grazing Intensity on Soil Physics and Chemical Properties. 放牧强度对草地土壤理化性质的影响。
- Hillel D.Research in soil physics: A review [J].Soil Sci. 1991, 151 : 30-34. 胡克林陈德立.;农田土壤养分的空间变异性特征[J]
- The result shows corrected unsaturated soil physical parameters can be got by APPIA.So the software of APPIA should be spreaded widely. 结果表明:用APPIA程序可获得较为准确的非饱和土壤物理参数,应广泛推广使用。
- The shape of model sand particle play an important role in submarine rest angle, starting speed, bulk specific weight and some other physical characters. 摘要颗粒形貌对模型沙的水下休止角,起动流速、堆积密度等性能有显著影响。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries