soil chemical properties 中文意思是什麼
soil chemical properties
解釋
土壤化學性質- soil : n 1 泥土，土壤；土質。2 土地，國土。3 滋生地，溫床。4 農業生活，務農。n 1 臟東西，污物，污穢，污...
- chemical : adj 化學的，化學作用的；應用化學的，用化學方法獲得的。n 〈常 pl 〉化學製品；藥品。 fine chemicals...
- properties : （特性）命令修改特性
-
This paper summarized the disturbance effect of rodents on soil ( pedogenesis, patch formation, and physical and chemical properties ) and vegetation ( species diversity, productivity, and seed dispersion ), aimed to illustrate the contributions of rodents activities to desert ecosystem
本文主要從鼠類活動對土壤（包括土壤發生過程、土壤斑塊的形成、土壤理化性質）和植物群落（包括物種多樣性、生產力、植物種子）的擾動效應做了歸納總結，旨在闡明鼠類在荒漠生態系統中的作用。 -
Changes of soil physical and chemical properties in sandy desertification on the duolun prairie
多倫草原土壤理化性質在沙漠化過程中的變化 -
Abstract : soil fertility of the plantations of paramichelia baillonii, betula alnoides, acacia mangium and altingia excelsa in tropical area of yunnan does not decline rapidly, and the physical and chemical properties of forestland are not affected greatly if the plantations can be managed properly
文摘:在雲南熱區營造山桂花、西南樺、馬尖相思、高阿丁楓等4種人工林，只要經營得當，對林地土壤理化性質並不造成重大影響，不會引起地力迅速衰退。 -
The dispersibility as well as seepage distortion and salt transference under long - term seepage condition of soil samples obtained from the clay core wall in xijiao and sanping reservoirs were studied by physical and chemical properties of soil and composition of clay mineral and the tests for identification of dispersive clay soils which included double - hydrometer test, pinhole test, crumb test, tests to defermine salt content of pore water and percentage of exchangeable sodium
摘要應用碎塊、針孔、雙比重計、孔隙水可溶鹽和交換性鈉百分比等五種試驗方法，結合物理化學性質和礦物成分分析，對西郊、三坪兩水庫大壩心墻土樣進行了多種方案的分散性試驗及長期滲流條件下的滲透變形試驗和鹽分運移試驗。 -
With increase of artificial forest age, the content of soil organic matter decreased sharply. and soil physical, chemical and biological properties of forest became worsen. from soil physical properties analysis, soil silt, clay, physical clay, aggregate degree and structure coefficient in topsoil increased with increase of artificial forest age and soil sand deceased
在土壤物理性質方面，隨著人工雲杉林齡的增加，土壤表層粉粒、粘粒、物理性粘粒、團聚度和結構系數降低，砂粒含量增高，土壤飽和持水量、毛管持水量及總孔隙和毛管孔隙在人工雲杉演替過程中表現出「 u 」型變化。 -
Comparison of soil physical and chemical properties among various phyllostachys pubescens plantation
不同毛竹林林地土壤理化性質特徵比較 -
The essential problem with the restoration of mining engineering disturbed soil is to reconstruct soil profile, form proper soil physical and chemical properties in a very short period of time, and improve soil environment quality
礦山工程擾動土人工再造的實質問題是土壤剖面的重新構造，並在較短的時間內形成適宜的土壤理化性狀，改善再造土壤的環境質量。 -
Besides, the two systems were significantly different in soil nutrient content and soil physical and chemical properties
而且兩者耕層土壤的養分含量和理化性質等指標也有明顯差異。 -
Effects of slash disposal methods on the physical and chemical properties of soil on the harvested sites in northeast china
森林採伐跡地清理方式對跡地土壤理化性質的影響 -
They play important roles in the circulation of soil materials, development of soil, formation of soil micro - structure, improvement of soil physical and chemical properties, and the maintenance of soil living community
它們在土壤物質循環、土壤的發育及其微團聚體的形成、土壤理化特性和土壤生物群落的維護等諸多方面都發揮了重要作用。 -
On the basis of some research findings in recent years, the paper summarizes characteristics and causes of greenhouse soil salinization, and its effects on soil properties, including physical and chemical properties and microorganisms as well
本文根據近年來的相關研究進展，綜述了設施土壤次生鹽漬化的基本特徵、形成原因及其影響因素，並闡述了設施土壤次生鹽漬化對土壤理化性質以及土壤微生物狀況的影響。 -
Spatial pattern of soil chemical properties in degraded sandy grassland under post - grazing natural restoration in horqin sandy land
放牧干擾后自然恢復的退化沙質草地土壤性狀的空間分佈 -
Soil saturated capacity, capillary capacity, total porosity and capillary porosity showed the trend of the " u " during the successional course of artificial forest, namely, they reduced on the early successional stages, after picea reached mature forest, soil porosity recovered slowly. the content of natural water was mainly affected by capillary porosity. from soil chemical properties analysis, the content of soil organic, humus, ha, fa and ha / fa of topsoil was more than that of bottom layer
即人工雲杉幼林向成熟林演替階段，土壤飽和持水量、毛管持水量及總孔隙和毛管孔隙則減少，在40年生雲杉林達最低值，之後隨著雲杉自疏，微生態改善，林地凋落物分解加快，土壤飽和持水量、毛管持水量及總孔隙和毛管孔有上升的趨勢，毛管持水量是決定林地自然含水量的主要因子。 -
The study area is located in wangdonggou, a small watershed in changwu county, shaanxi province. with the principles of combination of qualitative and quantitative analysis, macroscopic and microscopic analysis, the assessment indexes of soil erosion are selected through a series processes such as field investigation, soil sampling, physical and chemical properties analysis of soil, analysis of relations between the influencing indexes and soil erosion, statistics method, and so on. every index is divided into five grades according to the specific criterion, and its weight is drawn by ahp method
本文以陜西省長武縣王東溝小流域為研究區，在堅持定性分析與定量分析相結合、宏觀與微觀相結合的原則下，通過實地野外調查和採集樣品，土壤樣品的理化分析，土壤侵蝕影響因素的分析，利用數理統計分析方法，篩選出了王東溝流域土壤侵蝕定量評價指標；並對這些指標進行土壤侵蝕評價等級的劃分及權重的確定，從而建立了評價指標體系。 -
Primary analysis of the soil ' s physics - chemical properties in shapo village, shuicheng county, guizhou
貴州水城沙坡試驗區土壤理化性質初步研究 -
Vegetation growth and its effect on soil physical and chemical properties in coal waste piles
煤矸石山的植物種群生長及其對土壤理化特性的影響 -
( 2 ) compared to secondary natural forest, the amount of three main types of microbes in rhizosphere soil of different age of larix olgensis plantation correspondingly decreased largely, enzyme activity in non - rhizosphere soil reduced, the biochemical activities abated, and soil physical and chemical properties deteriorated
（ 2 ）與天然次生林相比，落葉松人工林不同發育階段根際土壤三大類微生物數量均相應地有較大幅度的降低，非根際土壤酶活性減弱，土壤生化作用強度降低，土壤理化性質變壞。 -
Effects of sulfur - coating left from using scu on cole growth and soil chemical properties
控釋尿素硫膜對土壤性質和油菜生長的影響 -
The results obtained by the correlation, path and principal component analysis showed that soil urease and alkaline phosphatase activities could be as a comprehensive index of soil fertility, and their enzyme activities are affected by soil chemical properties and other enzymes
結果表明，土壤脲酶和?性磷酸酶活性可以作為土壤肥力的指標，且酶活性大小受到土壤化學性質和其它酶活性影響。 -
The theory and method of geostatistics are currently still one tide of researching spatial variability quantitatively both at home and abroad. but research about soil spatial variability still focus on soil physical characters, articles in soil chemical properties is rarely found
隨著地理信息系統（ gis ）的廣泛應用和地理學學科的發展，利用地統計學，結合gis技術來研究土壤性質空間變異已成為目前的土壤學的研究熱點之一。
分享友人