高土 的英文怎麼說

The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno

研究結果表明： 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化：隨海拔高度上升，機械組成由粉粒砂粒粘粒逐漸過渡到砂粒粉粒粘粒，海拔1600m以下出現粘化層；土壤有機質豐富，表層有機碳含量一般在20g kg以上，有機碳含量隨海拔高度升高而相應增加，海拔3500 3700m的灌叢草甸植被下有機碳含量最高；土壤呈酸性或微酸性，並隨海拔上升， ph值略微降低，酸性增強，海拔2700m以上的土壤多呈鹽基不飽和狀態，表明土壤淋溶作用較強， ph值和鹽基飽和度呈極顯著正相關；土體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定，土體中sio _ 2含量較高， cao含量較少， sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ，礦質元素含量的順序依次為： sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。

It does not need much area, not any pollution, not consuming much electricity power, not need much cost. gshp combined floor radiation air - conditioning system possess high seasonal average cop value and great capacity of edaphic depositing heat energy, can ease up supplied water temperature fluctuating with the change of the outdoor air temperature

地源熱泵技術聯合地板輻射對房間進行冷暖聯供的形式，具有地源熱泵季節性平均性能系數高、土壤蓄熱能力強、能緩解空氣源熱泵存在的供冷供熱能力隨環境溫度波動大的矛盾等優點。

In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions

本文從試驗及試驗資料入手，取得以下主要成果和結論：對鹽堿地水稻節水灌溉技術進行優化研究，系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響，採用了多目標模糊優化的方法，對灌水技術進行綜合評判，優選了節水灌溉技術，論證該地區宜採用水稻控制灌溉技術；闡述控灌技術通過調節和控制水稻的需水規律，降低水稻高產情況下的無效水量消耗，從水稻生理、生態節水兩方面分析了控灌技術節水機理，針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點；通過控灌與淹灌的定量對照比較，從根系、莖蘗、冠層葉片及綠葉動態到株高，土壤水分變化，抗病蟲害、抗倒伏能力，稻田土溫變化，產量構成因素及稻米品質等諸多方面進行動態比較，分析控灌技術高產優質機理；在鹽堿稻地採用控制灌溉+間歇淋洗模式，跟蹤測試田間水鹽變化狀況，驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性，通過分析水稻控制灌溉淋洗條件下水稻生理生態指標，提出優化控制灌溉+間歇淋洗組合模式，為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。

Water transmitting rate of unsaturated soil also increased with the increasing of relative partial molal free energy variation, and relative partial molal enthalpy variation, in case that soil water content was constant

結果表明，在同一溫度條件下，提高土壤水勢可增加土壤非飽和導水率，呈現黃綿土> ，土。

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。

Dynamic response research of high earth - rock dam on the thick moraine cover foundation

深厚覆蓋層上高土石壩的動力反應特性研究

The out flow of redundant labor from the rural sector would raise the land-labor ratio.

過剩勞動力從鄉村中流出會提高土地-勞動的比率。

The result showed that organo - inorgano - mixed fertilizer could increase the quantity of availability, strengthen the activity of proteinase, sucrase, urase and peroxidase in the sugarcane roots, and increase the sugarcane yield and sugar content

結果表明，有機無機肥料配施，可提高土壤有效養分的含量，激活土壤蔗糖酶、脲酶、蛋白酶、過氧化物酶的活性，促進甘蔗生長與蔗糖分的累積，對甘蔗增產增糖有積極的作用。

Vetiver grass is found to increase adhesion and internal friction angle, enhance shear strength and improve soil stability

通過試驗分析發現，香根草護坡可以提高土的黏聚力和內摩擦角，從而提高土的抗剪強度，進而增加土壤穩定性。

Currently, land resources supply is under tense situation in our country, so the regulation of abandoned lands of mines, has great significance to slowing down of the decrease of arable area throughout the country and improving land use efficiency

在當前我國土地資源供應極為緊張的局面下，礦山廢棄地整治對于減緩全國耕地面積下降、提高土地利用效率意義重大。

The order of the climate production potentiality is : fugu > jiaxian > jingbian > yuyang > shenmu > hengshan > dingbian, and the order soil production potentiality is : dingbian > shenmu > fugu > hengshan > yuyang > jiaxian > jingbian. at the same time, this paper describes the guiding suggestions to improve the cropland production potentiality

提高土地生產潛力一方面要調控降水，加強基本農田建設，興修水利，應用集流節水技術，發展灌溉農業；另一方面要改良土壤，培肥地力。

Short - term profit motives have led china ' s farmers to use polluting plastics, chemical fertilisers and herbicides in abandon

中國的農民在大量使用農膜、化肥、農藥和除草劑等來提高土地生產力以獲得短期利益。

As a new mode of economic development, recycling economy, with the ideas of " reduction, reuse, recycling ", can be applied to guide overall planning modification of land use, eco - industrial park construction, new economy accounting instauration, ecological restoration, land consolidation and reclamation so as to economize and realize the intensiveness of land use, improve the land quantity and secure sustainable land use

循環經濟作為一種新的經濟發展模式，運用循環經濟「減量化、再使用、再循環」的理念指導土地利用總體規劃修編、生態園區建設、新經濟核算體系建立、生態退耕和土地整理復墾，可以節約和集約用地，提高土地質量，從而保證土地資源的可持續利用。

The contradiction between the scarce and non - reproducible land resources and the infinite and exclusive demands requests that we should make the depositing capacity of land live to make the land use more reasonable efficient

土地資源的稀缺性、不可再生性與資源需求的無限性和排他性之間的矛盾要求我們必須盤活土地資產，提高土地的合理配置和利用效率。

The result shows it can raise seedling apparently, ability of fighting drought and growth, to dip in the afforestation of thick liquid with rpa ; dress and soak seed handling, can strengthen seed vigour, raise emergence rate and sprout rate, make sprout even sprout strong, raise the production potential of soil

摘要用rpa進行常規蘸漿造林，能顯著地提高苗木的抗旱能力和生長量；進行拌種和浸種處理，可以增強種子活力，提高出苗率和成苗率，使苗齊苗壯，提高土壤的生產潛力。

The results show that ( 1 ) the system of contour dams, contours and fallow had positive impact on water and soil losses than grass stripes and contour ditch. at the same time it was showed that contour dams, contours, fallow significantly reduced soil erosion and water loss, grass stripe and contour ditch had recorded reduction in water and soil losses although to a much less extent than above 3 farming systems. most of sediment was bed load in all the systems except in contour dams and contour fanning

研究的主要結論如下： 1 、運用坡面徑流小區法系統地研究了當地農業生產活動中不同農作措施下紅壤坡耕地水土流失特徵、土壤養分流失規律及形態特徵，結果表明： （ 1 ）同順坡農作措施相比：其它農作措施均具有明顯減輕水土流失的作用，等高土埂，等高農作、休閑處理控制水土流失的效果優於水平草帶和水平溝處理。

Preliminary results indicated that intercropping with p - efficient soybean genotypes could significantly improve maize growth and conserve soil fertility

初步結果顯示，用磷高效大豆基因型間作，可顯著促進玉米生長和提高土壤肥力。

Soil organic matter can be regarded as one of soil fertility index, so manure culture and maize straw treatment is beneficial for soil fertility

土壤有機質可作為土壤肥力指標之一，所以採取有機肥培肥和秸稈還田的培肥模式，有利於培肥土壤，提高土壤肥力。

This made her no - tillage fields no different from the traditional ones. this resulted in undermining the role of crop residues in keeping moisture and raising soil fertility

免耕地很快便與傳統耕作地毫無差異，極大地降低了留秸稈根茬保水保墑提高土壤肥力的作用。

The aim of the research was to probe into the course in which the different plants and different cropping patterns in the purple soil area can prevent the loss of soil and water and improve the soil fertility and the ecological environment, further to offer reference for improving the cropping structure and agricultural ecological environment

研究目的在於探討紫色土丘陵區不同作物及不同種植方式對防治水土流失、提高土壤肥力、改善生態環境的作用，從而為區域內優化種植結構、改善農業生態環境提供參考。