horizon of soil 中文意思是什麼

horizon of soil 解釋
土層
  • horizon : n. 1. 地平；地平線；地平圈。2. 地平儀，水平儀。3. 【地質學；地理學】地層，層位。4. 眼界，視界；范圍，見識。
  • 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. 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 。
  2. ( 3 ) the spatial analysis results showed that the variation of soil clay content was moderate at the direction of vertical section. the soil clay content was highest at the layer of 20 - 40cm, which showed that it is an eluvial accumulation horizon according to long - term cultivation, irrigation and rainfall

    （ 3 ）土壤粘粒含量在垂直方向上呈中等變異，整個土體在20 - 40cm土層處的粘粒含量最高，說明土壤表層由於長期耕作、灌溉降雨，土壤粘粒含量有一個淋溶淀積過程。
  3. Rendzina a type of brown earth soil typical of humid to semi - arid grasslands over calcareous rocks. the rendzina is rich in lime and has an upper humus - rich horizon

    黑色石灰土：一種褐色的土壤，其特徵為潮濕的半乾旱的草地上覆蓋著石灰質的巖石。其富含有石灰和較高量的腐殖質。
  4. 6. the seasonal regularities of soil enzymatic activities ( a horizon ) are very evident, it depengds on the sorts of enzymes. the activity of saccharose enzyme, catalase are upper at spring than at autumn. but oxidation enzyme is contrary

    其中的蔗糖酶、過氧化氫酶、脫氫酶、脈酶、蛋白酶活性在春夏季較高，秋冬季較低;而多酚氧化酶活性則與此相反，秋冬季酶活性較高，春夏季較低。
  5. 2. the diagnostic surface horizons divided on the soils of the area are mollic epipedon, umbric epipedon and ochric epipedon. the diagnostic subsurface horizons are cambic horizon, argic horizon, histic evidence and mattic evidence. the diagnostic characteristics are sapric soil materials, folic soil materials, soil moisture regimes, soil temperature regimes, ferric property and base saturation

    本地區土壤劃分出的診斷表層有暗沃表層、暗瘠表層和淡薄表層，診斷表下層有雛形層、粘化層，診斷現象有有機現象、草氈現象，診斷特性有6個：高腐有機土壤物質、落葉有機土壤物質、土壤水分狀況、土壤溫度狀況、鐵質特性、鹽基飽和度。
  6. Soil ph value ranged from 6. 0 to 7. 2, the ph value had no markedly difference among the three horizons in each plot, and so did that among seven types of forest. the organic matter content in horizon a of plot g2 ( coniferous forest ) was the highest ( 193. 03a kg - 1 ) in seven plots and the lowest one was in plot g3

    另外，在3個固定樣地內（ g _ 1 、 g _ 2 、 g _ 3 ） ，通過埋袋試驗，研究了白樺枝條、白樺凋落葉、岷江冷杉凋落葉等3類典型凋落物在3個不同埋藏深度土壤中的分解。
  7. Inceptisols are soils that exhibit minimal horizon development. they are more developed than entisols, but still lack the features that are characteristic of other soil orders

    始成土系發育程度極低的土壤。比新成土發育程度高，但仍然沒有其它土壤類型所具有的特徵。
  8. 3 ) indexs of soil series taxonomy and retrieval orders : a ) soil structure : the classification was based on the soil profile and " b " horizon differentiation. b ) texture style. c ) organic substance : according to four levels 20. 1 - 30. 0, 10. 1 - 20. 0, 6. 1 - 10. 0, < 6. 0 ( g / kg ) 4 ) according to the standard of chinese soil taxonomy and this study, 17 soil swatches were divided into 14 soil series. among which, 9 belonged to cambic order, the order 7 belonged to entic order

    土壤有機質狀況：按照土壤有機質分級指標，結合供試土壤有機質狀況，按20 . 1 ? 30 . 0 、 10 . 1 ? 20 . 0 、 6 . 1 ? 10 . 0 、 6 . 0 （ g kg ）四個級別劃分土系（ 4 ）按照系統分類統一標準及本研究建立的土系劃分指標和檢索順序，對照供試土壤的理化性質進行檢索， 17個供試土壤共劃分為14個土系，其中9個屬于雛形土綱， 5個屬于新成土綱。
  9. Namely : a horizon > b horizon > c horizon ; 3. the seasonal regularities of the soil contained total microbe show similitude. the totality mic - robe is more in spring than in autumn

    從季節變化可以看出，三大類群微生物的數量及總菌數隨季節變化而變化，夏季多於秋冬季。
  10. Nowdays, the international majority of soil classification is the soil taxonomy, which is based on the diagnostic horizon and diagnostic characteristics, and characterized by quantification. the tendency of soil classification in the world is quantification, standardization and intemationalization. the study of chinese soil taxonomy has achieved great phase outcome - chinese soil taxonomy

    當前，以診斷層和診斷特性為基礎、定量化為特點的土壤系統分類是國際土壤分類的主流，定量化、標準化和統一化已成為國際土壤分類發展的大趨勢，我國的土壤系統分類研究也取得了階段性成果? ?中國土壤系統分類。
  11. Be an ornament to the temple of rightness, a breath of life to the body of mankind, and ensign of the hosts of justice, a luminary above the horizon of virtue, a dew to the soil of the human heart, an ark on the ocean of knowledge, a sun in the heaven of bounty, a gem on the diadem of wisdom, a shining light in the firmament o thy generation, a fruit upon the tree of humility

    做正義殿堂的裝飾，做人類生命中的呼吸，做審判者的徽章，做美德地平線上的燈光，做人類心靈之土的露珠，做知識海洋上的方舟，做博大天堂的太陽，做智慧王冠上的寶石，做你的時代天空中明媚的陽光，做人類之樹的果實。
  12. Denitrification and nitrogen fixation in 10 cm 20 cm horizon are higher than those in other soil horizons, in which the partial pressure of oxygen is lower than that in surface horizon, and the number of microorganisms is more than that in below horizon

    高寒草甸土壤中未發現有好氣性自生固氮菌，但嫌氣性自生固氮菌的數量眾多。在高寒草甸嚴酷的自然條件下，嫌氣性自生固氮菌為大氣氮素固定的主要承擔者。
  13. Based on typical sample, soil survey, environment survey and soil physical - chemical analysis, under the direction of chinese soil taxonomy, according to the principle of stability, discrepancy, dominant and integration of soil series taxonomy, applying to methods of statistic analysis and system integration, the selection of indexes of soil series taxonomy of hydragric anthrosols in chengdu plain soil series taxonomy soil series naming and index were systemically sturied. the results showed : ( l ) the main affectoi of hydragric anthrosols soil series in chengdu plain were : soil structure in 100cm soil depth ; fe2o3 ( dcb ) ; the texture of hydragric epipedon ( cultivation horizon ) ; the proportion of clay and salt in hydragric epipedon ( cultivation horizon )

    本文以成都平原主要水耕人為土為例，在中國土壤系統分類思想的指導下，通過典型采樣、土壤詳查、環境調查和室內理化分析，遵循土系分化影響因子的穩定性、差異性、主導性及綜合性等原則，利用統計分析和系統綜合分析等方法，對水耕人為土的土系劃分指標選取、土系劃分、土系命名及檢索等作了較為系統的研究。
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