根際土 的英文怎麼說

中文拼音 [gēnjìtǔ]
根際土 英文
rhizosphere soil
  • 根 : Ⅰ名詞1 （植物的營養器官） root （of a plant） 2 （比喻子孫後代） descendants; posterity 3 [數學] ...
  • 際 : Ⅰ名詞1 （靠邊的或分界的地方） border; boundary; edge 2 （里邊; 中間） inside 3 （彼此之間） betwe...
  1. The rhizosphere microflora dynamics of bacteria, actinomyces, fungi and four bacterial physiological groups of kentucky bluegrass under different quality of illumination were studied by adopting selective culture medium to explain scientifically response regular of this grass to different illumination condition

    摘要研究了草地早熟禾在不同光照條件下其根際與非根際細菌、真菌、放線菌以及氨化細菌、硝化細菌、好氣性纖維素分解菌、固氮菌生理類群的區系動態變化，擬從根際土壤微生物數量變化方面來闡述草地早熟禾對不同光照條件的響應規律。
  2. The research results indicated that the ecological effect of rice rhizosphere microbes was not only affected by water regime and nitrogen fertilizer separately, but also affected by the mutual effect of the two factors, in general, n had a dramatic effect in the tillering stage, water regime produced little in the booting stage, during the rice riping stage, the rice was not only affected by water condition and n, but also affected by mutual influence

    氮素因子一般在水稻生長的分蘗期就對水稻根際土壤微生物生態效應有顯著影響，到孕穗期，水分條件開始起作用，在成熟後期，水稻不僅受到水分條件和施氮的影響，同時還受到水分條件和施氮的交叉作用影響。
  3. Species of nematode parasites around rice roots in yunnan

    雲南水稻根際土壤中的線蟲種類鑒定
  4. Effect of plant species on degradation of butachlor in rhizosphere soils collected from agricultural field

    作物種類對根際土壤中丁草胺降解的影響
  5. Rhizosphere soil nutrient and enzyme activity in mixed forest of casurina equisetifolia and pinus elliotti

    木麻黃濕地松混交林的根際土壤養分和酶活性研究
  6. Studies on urease activities of rhziosphere soil of legume

    豆科牧草根際土壤脲酶活性的研究
  7. Results demonstrated that increases in biomasses of butachlor - degrader in crops rhizosphere soils were the principal cause of facilitations of butachlor degradation, and biomasses of butachlor - degrader varied markedly among various crops rhizosphere soils and resulted in the difference in facilitations of butachlor degradation among various crops

    根際土壤中了草胺降解菌塵物量的提高是丁浙江人學幀卜學位論義4草胺加速降解的主要原回，不同作物恨際上壤中丁草胺降解菌生物量的差異導致對丁草胺降解促進程度不同。
  8. Exchangeable aluminium, humic acid component content in rhizosphere soil and non - rhizosphere soil, activity acidity, organic matter content, humus component content, total amount of fifteen types of amino acid, the content of various forms of phosphorus, the amount of three main types of microbes, enzyme activity, and bulk density in non - rhizosphere soil increased

    根際和非根際土壤交換性鋁含量、胡敏酸組分，非根際土壤活性酸、有機質含量、腐殖質組成、 15種氨基酸總量、各磷形態含量、三大土壤微生物數量、酶的活性和土壤容重增加。
  9. Mongolica young stand, secondary natural forest, and the mixed forest of larix olgensis and fraxinus mandshurica rupr. countermeasures for controlling soil degradation were also recommended. the study got following results : ( 1 ) from young stand to mid - age of larix olgensis, with the closure of canopy and the decrease of undergrowth vegetation cover, soil acidity, enzyme activity, total inorganic phosphorus, available k, soil moisture and total porosity decreased significantly ; while soil organic matter content, humus component content, the amount of three main types of microbes, acid phosphatase activity, and bulk density in rhizosphere soil and non - rhizosphere soil increased with the increase of the amount of forest floor litter ; from mid - age stand to near mature stand, with the decrease of stand density and crown cover as well as the restoration of undergrowth vegetation after preliminary thinning, soil organic matter content, fulvic acid, exchangeable acidity, exchangeable aluminium, neutral phosphatase activity, total amount of inorganic phosphorus, the amount of actinomycetes, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil apparently increased ; from near matu re stand to mature stand, soil activity acidity, organic matter content, humus component content, available phosphorus, total amount of amino acid, available k, soil enzyme activity, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil decreased, but total phosphorus, soil acidity ( in particular, exchangeable aluminium ), and bulk density increased

    結果表明： （ 1 ）從落葉松幼齡林到中齡林，隨著林冠的郁閉和林下植被蓋度的急劇下降，林地土壤酸度、土壤酶活性、無機磷總量、速效鉀、土壤水分含量、總孔隙度呈明顯下降趨勢，而根際和非根際土壤有機質含量、腐殖質各組分含量、三大類微生物數量、酸性磷酸酶活性和土壤容重隨著凋落物的增加呈明顯上升趨勢；從中齡林到近熟林，由於撫育間伐，林分密度及郁閉度下降，林下植被蓋度逐步得到恢復，根際與非根際土壤有機質含量、富里酸、交換性酸、交換性鋁、中性磷酸酶、無機磷總量、放線菌數量、土壤水分含量、總孔隙度呈明顯的上升趨勢；從近熟林到成熟林，隨著林齡的增大，根際與非根際土壤活性酸、有機質含量、腐殖質各組分含量、有效磷含量、氨基酸總量、速效鉀、土壤酶的活性、土壤水分含量和總孔隙度呈下降趨勢，而根際與非根際土壤全磷含量、土壤酸度（特別是交換性鋁）和容重呈增加趨勢。
  10. The results showed that quantity of bacterium and four bacterial physiology groups was positively correlated with quality of illumination ; their quantity showed a reduced tendency with the reducing of the illumination condition, but quantity of fungi was negatively correlated, it was increased gradually with the reducing of the illumination condition ; rhizosphere soil of kentucky bluegrass turned into fungi type from bacterium type ; the rhizosphere effect of various bacterial physiological group of kentucky bluegrass is obvious under different quality of illumination

    結果表明，草地早熟禾根際細菌及四類細菌生理群數量與光照條件呈正相關，隨著光照條件的減弱，其數量呈降低趨勢；根際放線菌數量隨光照的減弱呈先下降後上升的趨勢；而真菌數量與光照條件呈負相關，隨著光照條件的減弱，根際真菌的數量逐漸增加；草地早熟禾根際土壤由「細菌型」向「真菌型」轉化；不同光照條件下，根際各微生物類群都表現出明顯的根際效應。
  11. Effects of different tillage on rhizosphere and non - rhizosphere soil enzyme activity of winter wheat at different developing stages

    不同耕作方式對冬小麥生育期根際土及非根際土土壤酶活性的影響
  12. Properties of absorbed phosphorus in different soil layers were different, the amount of absorbed phosphorus in subsoil was higher than that in topsoil generally

    對于同一林木下的土壤來說，吸附磷量都是非根區土根區土根際土。
  13. In this study, 5 rhizosphere soil samples of wheat, maize, ryegrasses and willow tree were collected from campus of china agricultural university and beijing chaoyangqu, respectively. a total of 29 isolates were selectively obtained from these rhizosphere soli samples based on their growth on nitrogen - free medium and their resistance to 100 for 10 - 15 min

    本文在中國農業大學科學園區採集了小麥和玉米的根際土，從北京市朝陽區窪里分別選擇不同環境採集2個黑麥草根際土壤樣品和1個柳樹根部的土壤樣品，分別從這5個土壤樣品中分離固氮的芽孢桿菌。
  14. The self - poisoning effects of chinese fir plantation are studied through the seed germination experiment with the extracts of organs, bulk soils and rhizosphere soil of different rotation plantations. the results are as follows : there are some poisonous substances inhibiting germination of chinese fir seeds in soils of chinese fir plantations. the inhibiting effect becomes stronger and stronger with increase of planting generations. extracts from the organs of chinese fir trees also have some inhibiting effects on seed ' s germination, but the effect of leaf is the strongest. lower concentration extracts of underground vegetation may be favorable to the seed ' s germination whereas the higher concentration will reverse the results. it indicates that the “ self - poisoning ” effects of chinese fir plantations might be one of the reasons for poor natural regeneration and soil degradation of chinese fir plantation

    利用不同栽植代數杉木人工林根際土、非根際土及杉木各器官浸提液進行杉木種子發芽試驗，研究杉木人工林自毒作用，研究結果表明：杉木林根際土及非根際土中均存在抑制杉木種子萌發的物質，隨栽植代數增加抑制作用更趨明顯；杉木各器官浸提液對杉木種子萌發也有抑制作用，其中以杉木葉的抑制作用最為明顯，杉木林下常見植物對杉木種子發芽則表現為低促高抑效應，說明杉木人工林存在自毒作用，這可能是杉木連栽障礙的原因之一。
  15. ( 3 ) compared to young stand of the first rotation of larix olgensis, activity acidity ( ph value ), organic matter content, humus component content, moisture, and total porosity in rhizosphere soil of the young stand of the second rotation of larix olgensis decreased

    （ 3 ）二代落葉松幼齡林與一代落葉松幼齡林相比，根際土壤活性酸（ ph值） 、有機質含量、腐殖質組成、土壤水分含量和總孔隙度降低。
  16. The results indicate that : purification efficiency of phenol was better of wetland soil in which was not reed - planted ; both the residence time of phenol in soil and the range of particle size affected the adsorption ability of wetland soil ; through changing soil infiltration and physicochemical properties of rhizosphere, reed can affect adsorption ability of wetland soil on phenol

    結果表明，未生長蘆葦的濕地土壤對苯酚具有較好的凈化效果；苯酚在土壤中滯留時間、土壤的粒徑范圍均影響濕地土壤對苯酚的吸附能力；蘆葦能改變土壤入滲率和根際土壤的理化性質，從而影響濕地土壤對苯酚的吸附能力。
  17. Degradation dynamics of the herbicide butachlor were investigated in nonrhizosphere soil, and various crops rhizosphere soils with or without inoculation treatment. the population dynamics of the cultureable microorganisms capable of utilizing butachlor as sole c and energy source were estimated with most probable number method in the process of butachlor degradation

    本文考察主要作物棉花、小麥、玉米、水稻等作物根際土壤、接種后根際土壤和非根際土壤中除草劑丁草胺的降解速率，同時採用最大可能數（ mpn ）法測定分析丁草胺降解過程中丁草胺降解菌的變化動態。
  18. This paper deals with the results of preliminary investigation on the plant parasitic nematodes in yaan. 24 species of plant parasitic nematodes were found from 39 species of plants in yaan from 1993 to 1995

    於1993 - 1995年先後用直接剝離法和貝爾曼法對雅安市的39種農作物、果蔬、花卉及雜草的根和根際土壤，少數植物的莖葉及果實進行了檢查。
  19. ( 2 ) compared to secondary natural forest, the amount of three main types of microbes in rhizosphere soil of different age of larix olgensis plantation correspondingly decreased largely, enzyme activity in non - rhizosphere soil reduced, the biochemical activities abated, and soil physical and chemical properties deteriorated

    （ 2 ）與天然次生林相比，落葉松人工林不同發育階段根際土壤三大類微生物數量均相應地有較大幅度的降低，非根際土壤酶活性減弱，土壤生化作用強度降低，土壤理化性質變壞。
  20. Biomasses of the microorganisms in crops rhizosphere soils were significantly higher than that in the nonrhizosphere soil, and depended significantly on the characteristics of plant species

    根際土壤中丁草胺降解菌的生物量高於非根際土壤，各種作物根際土壤中降解菌的生物量依賴于植物種的特性。
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