meadow soil 中文意思是什麼

meadow soil 解釋
草地土壤
  • meadow : n. （特指割制乾草用的）草地，草原；（河邊）低草地。 a floating meadow 易澇牧場。 meadow ore 冶鐵礦。 meadow soil 草甸土。
  • 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. The nitrogen fixation in alpine meadow ecosystem is mainly accomplished by anaerobic nitrogen fixing bacteria. both ammonification and nitrification are the highest in 0 cm 10 cm soil depth

    從不同植被類型土壤的表層中各生理群菌數的平均值來看，反硝化細菌的數量最高，嫌氣性自生固氮菌次之，再次為氨化菌和硝化菌。
  3. Vegetation dynamics and soil characteristics of different period abandoned land was conducted in typical steppe at xilinguole league and meadow steppe at hulunbeier league, inner mongolia. the results showed : the function community of annual plants, perennial rhizornatous grasses and perennial rosette grasses were appeared at different succession stage of abandoned land in typical steppe and meadow steppe

    本試驗分別在內蒙古錫林郭勒盟典型草原帶和呼倫貝爾盟草甸草原帶對不同撂荒年限的撂荒地植被動態及土壤特性進行了研究，目的是探討草原區撂荒地植被演替的規律，為撂荒地植被的重建提供理論依據。
  4. The numbers of phosphate - solubilizing bacteria were rather low in the soil of forb meadow

    Cm深溶有機磷細菌的數量占總數的58 . 1
  5. The project initiated by scientists from university of california and co - operated scientists from haibei research station, cas. the objectives of the experimental are to examine how the vegetation and soil in sites with low and high grazing intensity and with two habitat types ( meadow and shrubland ) respond to climate warming. the research will include plant community, phenology, growth allocation and soil temperature, soil nutrient availability, decomposition, and mineralization

    自1997年起，海北站與美國加利佛尼亞大學的科學家合作建立了32個greenhouse ，分別建在不同放牧強度下的高寒草甸和高寒灌叢中，研究的目的是探索植被和土壤在不同放牧強度下對氣候變暖的響應，其中包括植物群落、物候學、土壤溫度、土壤營養、分解和礦化作用等。
  6. The project initiated by scientists from university of california and co - operated scientists from haibei research station, cas. the objectives of the experimental are to examine how the vegetation and soil in sites with low and high grazing intensity and with two habitat types meadow and shrubland respond to climate warming. the research will include plant community, phenology, growth allocation and soil temperature, soil nutrient availability, decomposition, and mineralization

    自1997年起，海北站與美國加利佛尼亞大學的科學家合作建立了32個greenhouse ，分別建在不同放牧強度下的高寒草甸和高寒灌叢中，研究的目的是探索植被和土壤在不同放牧強度下對氣候變暖的響應，其中包括植物群落物候學土壤溫度土壤營養分解和礦化作用等。
  7. Characteristics of turnover and soil microbial biomass in meadow brown soil under different rotation and tillage systems

    不同耕作和輪作下潮棕壤微生物生物量及周轉特徵
  8. Cryogenic meadow forest soil

    冷結草甸森林土
  9. Preliminary report on the efficiency of sulphur - fertilizer on shajiang black meadow soil

    砂姜黑土小麥硫肥效果試驗初報
  10. Alpine meadow soil

    高山草甸土
  11. The soil types of haibei research station are dominated by alpine shrub soil and alpine meadow soil in three rich elements as nitrogen, phosphorus and potassium

    海北實驗站地區土壤的主要類型為高山草甸土高山灌叢草甸土和沼澤土。
  12. Abstract : burrowing behaviors of the plateau zoko rs ( myospalax bailely ) in rel ation to soil hardness were investigated by using radio - telemetry at haibei alp i ne meadow ecosystem research station, qinghai, china

    文摘:採用無線電遙測法在中國科學院海北高寒草甸生態系統定位站對高原鼢鼠的挖掘行為及其與土壤硬度的關系進行了研究。
  13. The results indicated that as the intensity of sward cleavage increased, elymus nutans and other plants that had high requirements in soil aeration and resource space presented an increased competitive edge and the species that had low requirements in soil aeration and resource space presented an opposite picture ; low - intensity sward cleavage could help increase species diversity to a certain extent, but the diversity index appeared to decline as a whole as the cleavage intensity increased ; the effects of sward cleavage on functional groups of the vegetations showed in such manner as e. nutans - represented grasses increased in their composition with the intensity of sward cleavage raised, and sedges and forbs decreased in their compositions with the intensity of sward cleavage raised ; sward cleavage showed a significant improving effect on primary productivity of the meadows and was capable of increasing the proportion of quality - grass biomass to the total plant biomass ; sward cleavage could be independently employed as an effective measure to rehabilitate and improve alpine - meadow grasslands and thus played a basic and key role in the technical combination aiming at establishing hay fields characterized by e. nutans

    結果表明：垂穗披堿草等對土壤通透性和資源空間要求較高的物種，競爭力隨劃破強度的增加而上升，而對土壤通透性和資源空間要求相對較低的物種則相反；輕度劃破干擾對提高物種豐富度具有一定的促進作用，但多樣性指數則總體上表現為隨劃破強度的增加而呈下降的趨勢；劃破干擾對植被功能群的影響表現為以垂穗披堿草為代表的禾草類組分隨干擾強度的增加而顯著上升，莎草類和雜類草組分隨干擾強度的增加而顯著下降；劃破干擾對草地初級生產力的提升具有顯著的促進作用，且可顯著增加植物總量中優質牧草的比重；劃破干擾可獨立作為高寒草甸類草地恢復與改良的有效措施，在定向培育垂穗披堿草型割草場的技術組合中具有核心和基礎性的地位。
  14. Effect of some special compound fertilizer on shajiang meadow soil

    作物專用摻混肥在砂姜黑土地區施用的增產效果及效益分析
  15. Effect of fertilizer application for long - term on the characters of shajiang meadow soil

    長期施肥對砂姜黑土磷吸附和解吸特性的影響
  16. Alkaline meadow soil

    堿性草甸土
  17. Denitrification in the degraded meadow soil is higher than that in the natural meadow soil

    高寒草甸土壤中溶有機磷細菌的數量高於溶無機磷細菌的數量。
  18. Although the phosphorus transformation activity is not very low in the soil of alpine meadow ecosystem, the amount of available soil phosphorus is only 2. 6 ppm 5. 1 ppm

    土壤磷素的轉化活性與土壤溫度有機質含量微生物數量等因子相關較明顯。磷素轉化作用在植物草盛期
  19. The characteristics of climate, soil, vegetation and animal in alpine meadow ecosystem were discussed and the features of degraded alpine meadow were summarized in this paper

    「黑土灘」是高寒草甸退化的綜合表現，對當地、我國甚至東南亞和南亞的生態安全和經濟發展具有重大的影響。
  20. Aerobic nitrogen fixing bacteria were not found in the soil of alpine meadow ecosystem

    Cm土壤層最高，且均隨著土壤深度的加深而減少。
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