礦質土壤 的英文怎麼說

中文拼音 [kuàngzhírǎng]
礦質土壤 英文
mineral soil
  • : 名詞1. (礦床) ore [mineral] deposit 2. (礦石) ore 3. (開采礦物的場所) mine
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • : 名詞1. (土壤) soil 2. (地) earth 3. (地區) area 4. (姓氏) a surname
  1. 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太白山南坡的主要理化性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;有機豐富,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;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以上的多呈鹽基不飽和狀態,表明淋溶作用較強, ph值和鹽基飽和度呈極顯著正相關;體與粘粒中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定,體中sio _ 2含量較高, cao含量較少, sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占部分的92 ,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 。
  2. 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,水分變化,抗病蟲害、抗倒伏能力,稻田溫變化,產量構成因素及稻米品等諸多方面進行動態比較,分析控灌技術高產優機理;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,為進一步在高化度地區試驗水稻控灌技術奠定基礎。
  3. Unless economic conditions encourage farmers to invest in mineral fertilizers, soil degradation ( figure 1 ) may be expected, threatening the ability of communities to feed themselves in the future

    除非經濟條件鼓勵農民對肥料投資,否則就會造成退化,而威脅民眾未來糧食自給的能力(圖1 ) 。
  4. Analysis of mineral elements in soil of tea plantation and tea in shandong province

    山東茶園與茶葉元素的分析
  5. 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 : 30萬的地利用現狀圖( 2000年版) 、 1 : 60萬的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 : 60萬的地圖作為基本分析圖件。在地利用類型的基礎上,依據地利用現狀劃分了耕地、園地、林地、未利用地、草地、居民工用地和水域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。
  6. The content of mineral nitrogen content ( nh4 + - n + no3 - n ) decreased during the incubation period after applying nh4 + - n fertilizer and urea. it maybe relates to the nh4 + - n fixation, volatilization, and its nitrification. ( 4 ) fertigation by drip irrigation increased the n uptake and accumulation of dry matter of summer maize, and improved the activity of crop photosynthesis

    與滴灌施用硝態氮肥相比,施用銨態氮肥和尿素后在培養期間態氮( n03一n + nh獷一n )的含量有降低的趨勢,降低的原因可能與nh4 +一n在中的固定、揮發及硝化等過程有關。
  7. 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

    山工程擾動人工再造的實問題是剖面的重新構造,並在較短的時間內形成適宜的理化性狀,改善再造的環境量。
  8. The atmospheric supply of nutrients is usually small relative to the supply of nutrients found in mineral soils.

    來自大氣的養分供應量,一般少於礦質土壤本身的養分供應量。
  9. The soil factors affecting the capacity of fixing - ammonium in tested soils were mainly parent material, soil clay composition, ph, cec, organic matter, available n and concentration of nh4 + in soil

    其影響因素主要有成、粘物組成、陽離子交換量、 ph值、有機含量、堿解氮含量和溶液中銨離子濃度等。
  10. By the crop residue input, priming effects of soil irjcrobe will take place, and decomposition and bio - fixation give rise to soil organic matter arid m in the up layer of soil. on the other hand, tillage accelerate ; ; the organic matter mineralization and leads to the quantity of organic matter decreasing in. or 10cm. layer which is about 1 / 2 of soil organic matter under no - tillage

    覆蓋免耕使上層的有機和氮素穩定增加,這主要來自被激發的微生物繁殖時對碳和氮的生物固定,而傳統耕作則由於耕翻加速了有機物的化, 0 - 10cm層微生物碳含量均一,其數值幾乎為免耕系統的一半。
  11. Arbuscular mycorrhiza can improve the ability of resisting drought from several aspects : hyphal enhances plants ' chances of absorbing water from soil ; it can improve plants ' phosphorus and another minerals ' nutrition, increase the content of chlorophyll ; observably enhance transpiration and stoma conduction ; reduce the flow of water, permanent languish point, stoma resistance ; change the balance of hormone, promote accumulation plant proline and capability of nitric reductive enzyme

    叢枝菌根真菌可以通過以下幾個方面增強植物抗旱性:通過菌絲增加植物對水分的吸收;改善植物的磷營養及其他元素營養;能顯著提高蒸騰速率和氣孔導度;乾旱條件下降低植株葉片水勢、永久凋萎點、葉片飽和虧、氣孔阻力和恢復時間;改變激素平衡。
  12. Soil quality - laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions iso 14239 : 1997

    量.在需氧條件下中有機化合物化的測量用
  13. While considerable work has been done for the effects on crops jess work was conducted for the effects on soil quality, especially soil environment in rhizosphere. the objectives of this study were, therefor to discribe the characteristics and effects of applying re on soil mineral nutrition with a soil culture experiment as well as the effects of re on translocation and uptake of mineral ions in rhizosphere with a simulating rhizosphere experiment

    本研究以油菜和水稻為供試材料,通過培養試驗和根際模擬試驗並結合室內分析研究稀營養的作用及對根際離子遷移、吸收的影響,以期從根? ?系統出發,為稀農用增產機理和環境風險性評價提供理論參考依據。
  14. Soil quality - determination of particle size distribution in mineral soil material - method by sieving and sedimentation iso 11277 : 1998 iso 11277 : 1998 corrigendum 1 : 2002

    量.材料顆粒尺寸分佈的測定.採用篩分
  15. Sand mineralogy of soils constitutes varying proportions of mica, quartz and feldspars

    由各種比例的雲母、石英和長石組成。
  16. On the 90th day, the content of organic matter of soil samples under illumination condition was 2 - 3 times more than that of the beginning. ( 4 ) micro - algae can decompose organic phosphorus into inorganic phosphorus and increase the content or the potential content of soil available phosphorus. ( 5 ) theoretically, because of some micro - algae ' s nitrogen fixation, the sterile soil ' s content of nitrogen should increase, but in 90 days, its increment could not be determined

    ( 3 )微藻通過光合作用將二氧化碳合成為有機物,增加的有機含量,在90天的實驗期內,有微藻生長的樣內的有機含量是對照組的2 - 3倍。 ( 4 )微藻作為溶磷微生物之一能夠將有機態磷化成無機態磷,增加貧瘠有效磷的含量或潛在的含量。
  17. Am fungi are the widely distributed soil microbe, which can promote host - plant to take up mineral elements from soil, regulate metabolism action inside the host - plant, and enhance anti - reversibility of plants, and promote plant growth, and increase yield of plants, and improve quality of plants

    摘要叢枝菌根真菌是廣泛分佈的一類微生物,與植物共生后,能夠促進宿主對元素的吸收,調節宿主體內的代謝活動,增強植物的抗逆性,促進植物生長,增加作物產量,改善作物品
  18. Results showed that there were obvious differences in contents between plant and their soil

    所涉及的稻作材料和中各種元素的含量差異較大。
  19. In many areas of the world, people need clothing for protection the weather

    于許多因素,包括氣候、中的含量,以及是否有永久地表水。
  20. The soil organo - mineral complexes, formed by intimate association of organic matters or humic substances and mineral, is one of the fundamental features that distinguishes soils from their geological parent materials, and effects on the nature of soil aggregate, and the amounts and characters of soil particle aggregation is closely related to soil fertility. by way of collecting soil samples outdoors and analysis indoors and using the dry land soils developed from purple soils as research materials, this paper investigated status of organo - mineral complexion, characters of aggregation and soil fertility for discussing the relationship among them under different land treatments, and the factors that influencing the amounts and characters of organo - mineral complexion and soil aggregation and restricting status of soil fertility, the main results were as follows : there were remarkable differences of status and activity of fe oxide and aluminum oxide in dry land soils developed from different parent soils and under different utilizations

    中有機物的結合?有機無機復合體是區別其母的基本特徵之一,它對團聚體的性有很大的影響,而團聚體的數量和性狀有跟肥力密切相關,本文以不同母巖發育的旱地紫色作為研究材料,通過野外采樣和室內分析,研究了旱地紫色的有機無機復合狀況、團聚體特徵和肥力水平,探討了在不同地利用方式下它們之間的關系,以及影響有機無機復合、中團聚體的數量、性以及制約養分狀況的因素,主要結果如下:不同類型的紫色鐵鋁氧化物形態和活性具有很大差別。
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