重壤土 的英文怎麼說

中文拼音 [zhòngrǎng]
重壤土 英文
heavy loam
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : 名詞1. (土壤) soil 2. (地) earth 3. (地區) area 4. (姓氏) a surname
  1. Soil salinity is one of the most significant abiotic stress for plant agriculture

    鹽漬是影響植物生長的要脅迫條件,嚴製約著農業生產和地利用。
  2. It can also restrain the decomposition of organic substances in the soil and the bind of nitrogen, and wash away the nutritious elements, such as magnesium, calcium, and potassium. the acid rain deprives the soil. it acidifies the rivers and lakes, and dissolves the heavy metal in the soil into water, therefore poisons the fish

    它可以直接使大片森林死亡,農作物枯萎;也會抑制中有機物的分解和氮的固定,淋洗與粒子結合的鈣、鎂、鉀等營養元素,使貧瘠化;還可使湖泊、河流酸化,並溶解和水體底泥中的金屬進入水中,毒害魚類;加速建築物和文物古跡的腐蝕和風化過程;可能危及人體健康。
  3. The results indicated that, the total quanlity of major soil microbes declined, of which the minesoils was decreased by 68. 43 % ~ 80. 32 % in the top soil ( 0 - 20cm ) compared with that of the non - minesoils. the proportion of bacteria and actinomyces in the amount microbes decreased, while that of fungi not obviously changed

    結果表明:海洲香薷是銅礦區典型的耐銅性植物( elsholtziaharchowensis ) ,植物體中的金屬元素含量表現為cu zn pb cd , cu與元素的相關性最為顯著,其次為zn 。
  4. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以慶市的南川金佛山(自然保護區) 、黔江武陵山(國家點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴)典型巖溶區為對象,選擇了幾種要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同地利用方式巖溶肥力為點,對不同地利用方式肥力特徵進行量化分析,找出巖溶肥力差異的主要方面及其根本原因,論文主要從剖面物理退化指標(有效層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地微生物指標(細菌、真菌、放線菌數量及總量)以及樣地種子庫植物群落多樣性等4個方面對慶典型巖溶區的肥力特徵進行了較為詳細的分析研究,為巖溶地區士資源的合理利用及結構的調控管理提供依據。
  5. It lacked the intensely blue atmosphere of the rival vale, and its heavy soils and scents; the new air was clear, bracing, ethereal.

    它沒有和它匹敵的那個谷里那樣藍蔚的大氣,那樣濃和氣息。它的空氣清新,爽利,飄渺,空靈。
  6. 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,十總孔隙度也逐漸減小,的持水能力隨深度的增加逐漸減弱;林外空地a層、 b層十相差不人,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。
  7. The infiltration rate in wetting front interface is speeder than that under single trickle source. the wetted soil volume shape becomes a strip which parallel lateral. the soil water content distribution under trickle source wetting front overlapping is more than that of single source

    在滴頭流量為5 . 3l h條件下,在相同的入滲時間內大容的水平入滲距離較低容大27 ,而其豎直入滲距離則較小容小14 。
  8. In silking stage, the number of the 3 microorganisms were largest in loam and smallest in clay ; and the 5 enzyme activities were highest in loam and lowest in sandy loam

    吐絲期, 3種質地玉米根際微生物數量均表現為中最多,最少; 5種酶活性均表現為中最大,砂最小。
  9. At present, with the development of land, there appear many phenomenon that soil structure was deteriorating, soil was getting hardened and impervious, black soil layer was getting thinner

    是我國的主要耕作,目前隨著地的開發,一些地區結構破壞,板結嚴,黑層變薄,地力減退。
  10. The algae multiplied massively in suitable environment, and made the amount of available phosphorus in soil increase significantly. the influence of the base matter on available phosphorus in soil was much more significant. in the second step, nostoc commune and chlamydomonas sajao lewin were inoculated of different inoculation quantities to the barren soils

    實驗是在貧瘠種接種具有固氮能力的念珠藻(藍藻類)和沙角衣藻(陸生綠藻) ,在0 . 1g 、 0 . 5g 、 1 . 0g 、 2 . 0g濕藻500g的不同濃度梯度進行接種,進行常溫下培養。
  11. Effects of several organic substances on the solubility and adsorption - desorption behaviors of cadmium in purplish soil

    物理性狀和小麥生長的影響
  12. The number of 3 rhizosphere microorganisms ( bacteria, fungi, actinomycete ) and 5 enzyme ( catalase, protease, urease, phosphatase, invertase ) activities were studied during the whole life of corn plant in sandy loam, loam and clay soil textures. [ method ] using yedan22, the number of 3 rhizosphere microorganisms and 5 enzyme activities with different textural soils were investigated in a pond

    摘要目的明確不同質地(砂、中)玉米生育期間根際微生物(細菌、放線菌、真菌)數量與酶(脲酶、蛋白酶、磷酸酶、轉化酶、過氧化氫酶)活性的變化。
  13. [ objective ] the number of 3 rhizosphere microorganisms ( bacteria, fungi, actinomycete ) and 5 enzyme ( catalase, protease, urease, phosphatase, invertase ) activities were studied during the whole life of corn plant in sandy loam, loam and clay soil textures. [ method ] using yedan22, the number of 3 rhizosphere microorganisms and 5 enzyme activities with different textural soils were investigated in a pond

    摘要目的明確不同質地(砂、中)玉米生育期間根際微生物(細菌、放線菌、真菌)數量與酶(脲酶、蛋白酶、磷酸酶、轉化酶、過氧化氫酶)活性的變化。
  14. Based on the approximate estimation of wetted front edge of one dimension soil column, the design parameters of sdi were determined primarily

    濕潤鋒運移速度明顯慢于沙,特別是容較大時更為明顯。
  15. The study is about a kind of 3 - year - old pharmaceutical plant t. media cv. hicksii. we set up 3 kinds of different illumination handles using the black sunshade net shading in the pharmaceutical plant garden of the southwestern normal university ( elevation is 250 meters ) of chongqing. the natural light intensity ( passing through light rate is 100 % ) is the contrast, consequently the passing through light rates of one - layer shading and two - layer shading are 50. 0 %, 12. 5 % respectively

    本文以盆載(紫色,盆高20cm ,直徑15cm ) 3年生的曼地亞紅豆杉( taxusmediacv . hicksii )為材料,于慶西南師范大學藥用植物園內(海拔250m )利用黑色遮陽網遮光,設置3種不同的光照處理,以自然光為對照(透光率100 ) ,一層遮蔭、二層遮蔭透光率分別為: 50 . 0 、 12 . 5 。
  16. There was significant positive correlations not only between the runoff of different treatments and rainfall, between barren slope and ixeris denticulata treatme

    在60ffiffi ? h 』 、 120iffi ? h 「 』沖刷雨強下,植物籬笆根系密度、抗沖性極顯著相關,而在雨強為180m 。
  17. Serious soil pollution can result in decline in growth of agricultural products or even death, these pollution effects can be readily detected

    污染可以導致農作物生長發育的減退甚至枯萎死亡,這些污染後果是可以及時發現的。
  18. As for h2 and h3 derived from quaternary deposits, the textures of soils would become heavy because of soil erosion, whereas t2 and t3 of red soil of granite became sandification

    侵蝕會引起機械組成的改變。對于第四紀粘發育的紅質地粘,而花崗巖紅,侵蝕使其趨向砂質化。
  19. The data needed by the research are collected from relevant materials and field sampling, including the soil saturation hydraulic conductivity, soil bulk density, various kinds of chemical parameters of soil layer ( such as organic nitrogen, organic phosphorus and soluble phosphorus ), the transformation of organic carbon content of soil layer and the land use in 1993 etc.

    筆者兩次參加對研究區的實地考察,並進行相關數據的收集和實測,包括1993年地利用、飽和導水率、各種化學參數(如有機氮、有機磷和可溶性磷等) ,以及后來所進行的層有機碳含量的轉化等。
  20. On the basis of analysis for landscape features, such as landform, vegetation, soil and the like, the author took pingshuo opencast mine as an example and studied the landscape dynamic succession, landscape features and landscape types by means of map - gis and the theory of landscape ecology. the results show that the process of ecosystem landscape dynamic succession in larger open - pit mine includes ones in damaging ecosystem ( excavating, occupying and piling ) and in rehabilitating ecosystem ( landform remolding, soil rebuilding and re - vegetation )

    本文以山西平朔礦區為例,在對礦區地貌、植被、等景觀要素調查分析的基礎上,以map - gis技術為手段,運用景觀生態學原理,對平朔礦區生態系統景觀動態變化過程、特徵及景觀類型的劃分進行了研究,結果表明: ( 1 )大型露天礦區生態系統景觀動態變化過程包括生態破壞過程的景觀變化(地挖損、地壓占、地佔用)和生態建過程的景觀變化(地貌塑、構、植被建) 。
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