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SOIL CHEMICAL CHARACTERISTICS AND THEIR IMPACTS ON SOIL MICROFLORA IN THE ROOT LAYER OF TEA PLANTS WITH DIFFERENT CULTIVATING AGES 不同树龄茶树根层土壤化学特性及其对微生物区系和数量的影响
soil chemical characteristics 土壤化学性质
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。
Soil Chemical Analysis on the Process of Soil Acidification. 土壤酸化过程的土壤化学分析
On the basis of introducing physical and chemical characteristics of various dusts,the responses of soil and plant to dust were reviewed. 本文在介绍各种类型灰尘物理化学特征的基础上综述了土壤和植物对灰尘降落的反应。
The relativities between the physical and chemical characteristics of soil and yield and quality of cucumber were researched. 应用逐步回归和通径分析方法,对7年设施土壤理化特性与黄瓜产量和品质的相关关系进行研究。
The physical and chemical characteristics of camellia oleosa seed were studied. 通过研究油茶籽的物料特性,提出了油茶籽加工采用脱壳工艺的重要性。
Some chemical characteristics of acrosin were studied by means of amino acid composition and N-terminal analysis. 用N-末端分析和氨基酸组成分析等方法研究了这种酶的一些化学特征。
Changes of soil chemical properties after transferring acid sulfate paddy soil to upland soil. 酸性硫酸盐土水改旱后土壤化学性状的变异初报。
Effect of natural zeolite on soil nutrient bioavailability and soil chemical properties. 沸石对土壤养分生物有效性和土壤化学性质的影响研究。
Effect of plant community succession on soil chemical properties in Tiantong, Zhejiang Province. 浙江天童植物群落演替对土壤化学性质的影响。
Analysis of the acidity and chemical characteristics of precipitation in Zhejiang Province. 浙江省降水酸度和化学特征分析。
Currently, there are no effective seed or soil chemical treatments for the management of powdery scab in China. 本试验于2005年对云南省马铃薯粉痂病的综合防治技术进行了大田试验和温室盆栽试验。
The physical and chemical characteristics of sea buckthorn Oil are described in this paper. 本文对沙棘油的理化指标及特性进行了较详尽的说明。
Eng.) Introduction to the basic principles of chemical thermodynamics and kinetics and their application to soil chemical processes. 中)介绍土壤反应与过程之化学热力学和动力学之基础原理。
Clay minerals and surface chemical characteristics of soils developed under a palaeosol in lower West Mountain area of Beijing. 北京西山古土壤母质上发育的土壤之粘粒矿物与表面化学特性
The results indicated that soil enzyme activity significantly correlated with soil chemical property and soil microbial quantity,except for the ca. 研究表明,随着填埋深度的加深,土壤理化性质,微生物数量和土壤酶活性有很大不同。
It is possible that life arose on Earth several times, each time generating life-forms with different chemical characteristics. 这些可能是因为生命体在地球上起起落落几次，每一次都有不同的化学特性。
Methods:By microscope,TLC and UV, we study the microsco pical features and physical and chemical characteristics of H.lupulus. 方法:采用常规制片的方法对忽布的组织构造、粉末特征进行鉴别研究。
The physical and chemical characteristics of kapok fiber are introduced.Its spinning property and application field are analysed. 文章介绍了木棉纤维的物理、化学性能,分析了其纺纱性能,并阐述了木棉纤维的应用领域。