grassland soil 中文意思是什麼
grassland soil
解釋
草地土壤-
Utilization methods influenced aggregation degree of microaggregate of purple soil, the aggregation degree were in such order : grassland > forestland > garden plot > cropland, aggregation degree of microaggregate in soil developed from jas group was least, and that of j3s group was maximal
紫色土微團聚體團聚度受利用方式影響較大，團聚度次序表現為草地林地園地耕地，沙溪廟組發育土壤微團聚體的團聚度最低，遂寧組最高。 -
In order to solve this problem, we find a kind of herbages plant - sabaigrass ( eulaliopsis binata ) which not only can accommodate the badly environment of purple soil but also have excellent water and soil conservation effect and good economic benefit. this study adopt quantitative and qualitative methods, through comparative study of four different utilization types : sabaigrass treatment, grass tree solid plating treatment ( planting sabaigrass under fruit trees treatment ), bare land treatment, natural wild grassland treatment, study water and soil conservation effect, soil water condition, soil constructors condition, soil fertility condition and soil surface temperature, then evaluated the water and soil conservation effect of plating sabaigrass in purple soil bare sloping field and probed into water and soil conservation mechanism. the main results are as follows : 1
本研究針對湖南省衡邵盆地紫色巖地區日益惡劣的生態環境，從紫色土荒坡地水土流失治理入手，在尋求出既適應紫色土荒坡地惡劣環境又有良好水土保持作用和一定經濟效應的作物? ?龍須草的基礎上，用定性和定量相結合的方法，以「龍須草純種」 、 「龍須草與果樹立體種植」 （簡稱林草立體種植，下同） 、 「空曠地」 、 「自然野生雜草地」四種不同的土地利用方式進行對比研究，從水土保持效應、土壤水文狀況、土壤結構、土壤肥力狀況、地表溫度狀況等方面分析、評價紫色土荒坡地種植龍須草防治水土流失的效應，並對其機理進行了初步探討，主要研究結果如下： 1 -
2. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure
龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程度地降低土壤容重，減少土壤砂粒含量，增加土壤的毛管孔隙度、非毛管孔隙度和孔隙比，以及增加粉粒含量，從而降低土壤分散度，提高土壤團聚性，增加土壤團粒結構數量，改善土壤的透水性，促進良好土壤結構的形成，最終提高土壤的蓄水保肥性能，增強土壤的抗蝕性和抗沖性。 -
The thesis starts with chinese desertification prevention and cure lav per se and the problems in the relationship of desertification prevention and cure law, water and soil maintenance law, grassland law, forest law, soil administration law and environment protection law, searching out the limitation of chinese desert prevention and cure jurisprudence
本文針對我國《防沙治沙法》本身以及協調《防沙治沙法》和《水土保持法》 、 《草原法》 、 《森林法》 、 《土地管理法》 、 《環境保護法》等法的關系中存在的問題入手，尋找到我國防沙治沙法律體系中存在的缺陷。 -
Economic efficiency analysis of establishing artificial pasture in quot; the black soil type quot; degenerated grassland
退化草地上建植人工草地的經濟效益分析 -
This paper adopts the land use state in2000a ( l : 3 + 104 ), the soil chart ( 1 : 6 + 104 ) and hectometer contour relief map ( include three chongqing area ) of chongqing and geology map ( l : 6 + 104 ) of sichuan province as basic analytical data, measure landscape patches into 7 types including cultivated land, orchard, forestland, unused land, grassland, resident and industry land, water bodies according to land use state basing on land use types, make the landscape map of chongqing karst area by gis software
本研究是以重慶市1 ： 30萬的土地利用現狀圖（ 2000年版） 、 1 ： 60萬的土壤圖以及重慶市百米等高距的地形圖和四川省（包括重慶市） 1 ： 60萬的地質圖作為基本分析圖件。在土地利用類型的基礎上，依據土地利用現狀劃分了耕地、園地、林地、未利用地、草地、居民工礦用地和水域7類景觀嵌塊體類型，再藉助于gis軟體生成重慶巖溶區景觀圖。 -
The middle and lower parts of woodland and grassland had higher soil water contents during rainy season, which resulted from smaller evapotranspiration and more infiltrated water with a lower gradient. however, upslope runoff infiltration was another reason for hillslope with a lower cover ratio, such as bare land
雨季林草地坡中下部土壤水分含量較高的原因，可能主要與其蒸散較小且坡度較緩導致入滲水量較多有關；但是對于植被覆蓋度較低的坡地（如裸地） ，坡中下部土壤水分含量較高還與上方來水有較大的關系。 -
The outcomes show that the sequence of soil erosion of types of land use in different regions is different and the sequence of soil erosion of types of land use in different periods of the same regions is uncertainty ; the occurred rate of soil erosion of new wasteland is higher than that of idle wasteland for years ; the occurred rate of soil erosion of grassland is higher ; the occurred rate of soil erosion of non - irrigated farmland is high and the soil erosion intensity of land used for construction is great during construction and becomes smaller after completion
結果表明：不同區域土地利用類型的土壤侵蝕序列各不相同，而同一區域不同時期土地利用類型的土壤侵蝕序列不確定；新出現的難利用地比長期閑置的難利用地土壤侵蝕發生率高；草地土壤侵蝕發生率偏高；耕地中旱地的土壤侵蝕發生率高；建設用地建設時土壤侵蝕強度大，而建成後土壤侵蝕強度小。 -
To illustrate this point, vi the dynamic of the water and salt in fukang oasis will be analyzed. by comparative analysis of the dynamic of soil moisture and salinity in farmland, the abandoned land inside new oases, sand dune and the grassland periphery, the influence of dynamic state of soil moisture and salinity on the oasis stability can be clarified. thus, we may draw the following conclusion : l. at the plains in fukang, the ground water table rises gradually from south to north, and it falls in the desert
本論文研究圍繞典型荒漠植物群落的水鹽動態變化及其對植物群落空間分佈的影響以及綠洲內的水鹽動態變化，通過綠洲農田與綠洲內撂荒地、綠洲外圍水鹽動態的對比分析，水鹽動態變化對綠洲穩定性的影響，得出以下結論： l從南至北，研究區地下水位在平原區逐漸升高，在沙漠中又降低。 -
Moreover, according to different land use types, bulk density shows the lowest value for the woodland while the highest value for the grassland and the subsoil of farmland, saturated soil moisture and field capacity exhibit the highest values for woodland while the lowest for the grassland and the subsoil of farmland, and the wilting moisture in woodland is also the highest and that in the farmland is the lowest
不同土地利用類型土壤物理性質也存在顯著差異，容重以農地亞表層和草地較大，林地較小；飽和含水量和田間持水量以林地較大，農地亞表層和草地較小；萎蔫濕度則以林地較大，農地和果園地較小。 -
Study on afforestation techniques in chestnut soil in typical grassland
典型草原栗鈣土造林技術研究 -
The field of taiyangmiao nuresry of trees and grass is an important ecology protecting area in inner monogolia. all of projects in the field, including the water and soil conservation trees, the windbreat of returning farmland to treeland and grassland, are playing a very important role in preventing and decreasing vegetation deterioration, land desertification and sandstorm weather
星月太陽廟林木種苗培育基地和農業種植基地是內蒙古重要的生態功能保護區，基地內的水土保持林、防風固沙林、速生豐產林、退耕還林還草等林草工程，對防止植被退化、土地沙化、減緩沙塵天氣的發生起到不可忽視的作用。 -
Impacts of high - parallel sand - barrier on soil organic matter contents and particle composition of serious desertified grassland
平行高立式沙障對嚴重沙化草地土壤有機質含量及顆粒組成的影響 -
The degraded ecosystems include : > 25 dry land, mountain dry land, low density forest, grassland of low cover rate or moderate cover rate, all of which are the sources of soil and water loss. the low intensity of soil and water loss accounts for 55 % of the project area, the moderate for 23 %, and fierce for 12 %
早地、山區早地、疏林地以及低、中覆蓋度草地，也是水土流失主要的策源地;其水土流失的強度也表現出微度侵蝕占項目區的55 % ，中度侵蝕佔23 % ，強度侵蝕佔12 % 。 -
In the long run, the economy beneficial of grassland claim is lower. the soil nutrition lose, mechanic compose become crude, vegetation restore is slow, the drought resisted ability is poor. therefore, it is not worth to claim grassland both from economy and ecology point of view
長遠來看，草地開墾經濟效益低下，撂荒后又面臨土壤養分流失、機械組成粗化、植被恢復緩慢、抗干擾能力弱等諸多生態問題，因此，無論從經濟學還是生態學角度，開墾草地得不償失。 -
Compared to bare land, soil water cycling on grassland with intensive transpiration was deeper in depth and greater in intensity
與裸地相比，荒草地由於植被強烈的蒸騰作用，其土壤水分循環強度加劇，表現為活躍層、次活躍層以及蒸發蒸騰作用層深度增大。 -
It shows that if the rainfall increased in the autumn, the storage of the soil water was higher next spring, moreover the better the soil moisture, and the earlier the regreening, and the higher herbage yield of the natural grassland
分析表明：秋季降水越多，環湖區土壤水分貯存量越多，翌年土壤墑情越好、牧草返青越早且牧草產量越高。 -
A potentially renewable resource can be renewed fairly rapidly ( hours to several decades ) through natural processes, examples of which include forest trees, grassland grasses, wild animals, fresh lake and stream water, groundwater, fresh air, and fertile soil
有潛在再生能力的資源，包括森林樹木、綠地小草、野生動物、新鮮湖水和溪水、地下水、新鮮空氣和肥沃土地，可以通過自然作用很快（數小時至數十天）再生。 -
The flavonoids content in the vegetative organs of stellera chamaejasme l. was determined by ultrasonic extraction and spectrophotometry in songnen grassland of heilongjiang province, and the change of flavonoids content in root was analysed under different environmental conditions, such as different grazing intensities and soil water content
摘要採用超聲提取和分光光度法，對黑龍江省松嫩草地瑞香狼毒營養器官總黃酮含量進行了測定，並對不同環境梯度下根的總黃酮含量變化進行了分析。 -
The dynamics of soil seed banks and seed movement was investigated in three bare alkali - saline patches in songnen grassland, northeast china, for exploring their potential role in the vegetation restoration of bare alkali - saline patches
摘要在松嫩平原不同退化程度的草地中選取三個次生光堿斑，通過分析其土壤種子庫和表面種子流動態，探討了土壤表面種子流在次生光堿斑植被恢復中的潛在作用。
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