quality of soil 中文意思是什麼

quality of soil 解釋
土壤地位級
  • quality : n 1 質,質量;性質,特質;品質,品位。2 優質,美質,優點。3 才能,能力,技能,素養。4 品種。5 身...
  • of : OF =Old French 古法語。
  • 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...
  1. 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。
  2. At the same time, the quality of different - state water was studied. the results show : the soil bulk density of the fir wildwood heightens with the increase of soil depth, specifically 0. 74 > 0. 94 andl. 34g / cm3, the saturated, canaliculus and field moisture contents decrease gradually in layer a, b and c, accordingly the soil total foveola decreases gradually, and the moisture - hold capacity of the soil lessens gradually with the increase of the soil depth ; there is small difference of the soil bulk density between layer a and b in the outer space, which are respectively 0. 92 and 0. 99g / cm3, and the other laws are the same as the in ner in the main ; reverse success often occurs in the low position of the thoroughly - fell trace and plateau marsh is formed

    結果表明:冷杉原始森林土壤容重隨土層深度的增加而增大,分別為0 . 74 、 0 . 94 、 1 . 34g cm ~ 3 ,飽和持水量、毛管持水量、田間持水量a層、 b層、 c層逐漸減小,十壤總孔隙度也逐漸減小,土壤的持水能力隨深度的增加逐漸減弱;林外空地a層、 b層十壤容重相差不人,分別為0 . 92和0 . 99g cm ~ 3 ,其它規律與林內人體相同:皆伐跡地的低洼地段容易發生逆行演替,形成高原沼澤地。
  3. The effects of rhizosphere heating on flower yields and quality of soil less growing gerbera during winter

    根際加溫對無土栽培非洲菊冬季產花的影響
  4. Study on the relationship between the soil nutrient elements and the apple fruit quality of the newly reclaimed apple orchard in taihang mountain gneiss area

    太行山片麻巖區新墾蘋果園土壤營養與果實品質的關系研究
  5. Operation quality of deep soil scarification and harrow

    深松耙茬機械作業質量
  6. Soil quality - measurement of the stability of soil aggregates for assessment of liability to surface sealing and hydric erosion

    土質.表面密封和水腐蝕傾向性評定用土壤集料穩定性的測量
  7. The pedosphere offers human beings and other terrestrial organisms resources and environment for survival and development. the paper elaborates the definition of soil environmental quality and the evolution process over the past 100 years. focusing on the analysis of factors influencing the evolution of soil environmental quality, some pollution prevention measures are put forward

    闡述了土壤環境質量的定義以及近百年來的土壤環境質量的演變,著重分析了土壤環境質量演變的諸多影響因素,並提出了土壤污染防治的對策。
  8. For this reason, to analyze the spatial and temporal dynamic of ground water table and water quality beneath the typical phytocommunity in particular areas, will be helpful to probe into the dynamic formation of soil moisture and salinity, and to understand the spatial variation of vegetation

    因此,分析區域內典型植物群落的地下水水位、水質在時空上的動態變化,有助於探討土壤水鹽動態變化的形成條件,揭示植被在空間上梯度變化的原因。
  9. Then, with the help of gis, i selected 8 soil fertility factors mentioned above and soil texture as parameters, used blocks generated by overlaying each factor theme as assessing unit, modified nemoro fomular, and then i assessed the overall soil fertility quality of wujin city, we know : the soil fertility quality of the city is generally medium or worse, in it, the district of riverine polder the district of menghe even fields the district of taige even fields and the district of hilly lands are on " worse " level, and the district of zhengheng polder the district of lakeside polder and the district of taoge even fields are on " medium " or " better " level

    接著在gis支持下,選取以上8項土壤肥力要素並加上土壤質地作為參數,以各要素圖層疊加產生的圖斑作為評價單元,修改內梅羅公式,對武進市土壤肥力質量進行綜合評價,得出:土壤肥力質量中等偏下,其中,沿江圩田區、孟河平田區、太涌平田區和低山丘陵區主要處于「較差」水平,而鄭橫圩田區、沿湖圩田區、洮?平田區主要處于「中等」及「良」水平。
  10. Mudskippers, crabs, polychaete for their food. these mudflat fauna are adapted to the brackish water conditions of the bay, such as the condition of the mudflat soil and the quality of the water in the bay, especially the salinity

    尤其是這些候鳥以如彈塗魚螃蟹和海濱蚯蚓等泥灘動物為糧食,而這些動物亦已適應灣內的鹹淡水生境,如泥土的狀況和水質,特別是含鹽量等特徵。
  11. Influence of regulation and control methods of soil moisture on quality of fruit in non - public nuisance crisp pear garden in area of old course of yellow river

    酥梨果實發育期土壤水分調控方法及其對果實品質的影響
  12. The experimental results indicated that at equal fertilization condition years after years, fertilizing organic manure not only had markedness fuctions at increasing soil ' s organic nutritions and improving quality of soil organic matter, but also could increase soil availabale nutrients more than chemical fertilizer

    結果表明,在同等施肥情況下,有機肥不但在增加土壤有機營養,改善土壤有機質質量等方面具有極其顯著的作用,而且隨著年限的增長,在增加土壤速效養分方面,有機肥的效果也逐漸超過無機肥。
  13. On the other hand for four main vegetation typies, which are picea crassifolia, forests sabina przewalskii forests, bushes and pastureland, whose soil permeability function was analyzed from angle of its physics, capacity of water, storing water in it. the results show as follow : permeability function of soil is controlled by quality of soil hole. the quality and quantity of soil hole under picea crassifolia forests are the best, and the permeability also is the best

    另外,從土壤物理性質、蓄水量、貯水量等角度對祁連山苔蘚雲杉林、祁連圓柏林、亞高山灌叢林、牧坡草地4種主要植被類型的土壤滲透功能進行分析,結果表明:土壤的滲透功能主要由土壤非毛管孔隙度的質和量決定的,苔蘚雲杉林土壤非毛管孔隙度的質和量最好,它的滲透也最好;雖然亞高山灌叢林的滲透功能次之,但由於它所處的位置和面積大,現實貯水量在祁連山四種主要植被類型中最大。
  14. Adopt the mean of analyzing the factors which influence the output of the crops to quantity and determine the factors, assess the correlation among the grading factors in the units and calculate the point value of these factors ; determine the weigh value of the factors. ten factors, which are content of organic matter, thickness of soil layer, quality of soil, pickled degree of land, condition of irrigation and state of shelter belt, the degree of land " s leveling, central focus region ( focus region location ), utilization method of soil, are chosen as grading index at last

    本文採用因素法定量化評價各地塊定級單元的相關性和權重性,最終選定了有機質含量、土層厚度、土壤質地、鹽堿化程度、排水能力、灌溉保證率、防護林完整度、條田平整度、中心區位,土地利用方式等因子作為定級的指標,使用了加權加和因素法進行了的定級計算,逐步完成了農用地質量情況的評價,劃分出了級別。
  15. Primary state soil sampling is an important tache in engineering exploration, different sampling method has different affection to the quality of soil sample

    摘要採取原狀土樣是工程勘察中的重要環節,不同的取樣方法對土樣質量的影響不同。
  16. There is a very close support relation between the quantity or quality of soil - water resource and the development of human society

    土水資源的數量與質量與人類社會的生存和發展密切相關,受到世界各國普遍關注。
  17. The environmental quality of soil and groundwater from 40 plots in east section of outer ring road and surroundings in shanghai were investigated

    摘要對上海市外環線東段沿線及其周圍的40塊綠化擴大用地進行土壤和地下水質量的監測。
  18. It is best that the stiffness ratio of ring beam to pile is 2 to 3. we think over burying depth of piles is 30 % of the whole length when ring beam existing. but it is necessary to decide according to the quality of soil layers and types of piles

    圈樑與樁的剛度比為2 3為最佳,有圈樑時樁的入土深度可以考慮占總樁長的30 ,但需要根據具體的土層性質和樁的類型斟酌而定。
  19. The types of vegetation influence the size and quality of soil organic matterr. the spatia - temporal of soil loc pool under various types of vegetation as affected by human practice is necessary for assessing the alteration of soil quality

    不同森林類型,由於其凋落物數量、類組及分解行為不同,因而形成的土壤碳庫大小與特徵將存在較大差別,林地不同利用特別是強度利用后,土壤活性有機碳庫將會發生較大變化。
  20. Through field investigation and laboratory analysis of social - economic data, the results were attained as follows : land use structure has a trend to be stable ; the agricultural inputs of labor and capital and the income of agriculture are increasing ; the quality of soil is improved ; the pollution of water and soil are controlled within standard

    本研究通過野外調查和實驗室分析,結合分析多年的社會經濟統計數據,揭示了平谷區農用土地利用變化的特點:土地利用結構趨于穩定;勞動集約和資金集約相結合,土地集約化水平較高;土地生產率和經濟效益都在提高;水土資源質量還在安全范圍內。
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