土壤干旱

  • 网络Soil drought
土壤干旱土壤干旱
  1. 土壤干旱对小麦旗叶和穗器官C4光合酶活性的影响

    Effect of Soil Drought on C_4 Photosynthesis Enzyme Activities of Flag Leaf and Ear in Wheat

  2. CO2浓度倍增条件下土壤干旱对两种沙生灌木碳氮含量及其适应性的影响

    Responses of two dominated desert shrubs to soil drought under doubled CO_2 condition

  3. 植物对高CO2和土壤干旱的响应趋势及对策

    Tendency and Countermeasures of Response of Plant to CO_2 Enrichment and Soil Drought

  4. 羊草、针茅对高CO2浓度及土壤干旱的响应

    Responses of Aneurolepidium Chinensis and Stipa Baicalensis to High CO_2 Concentration and Soil Drought

  5. 高CO2浓度和土壤干旱对贝加尔针茅C,N积累和分配的影响

    Impacts of CO_2 Enrichment and Soil Drought on C , N Accumulation and Distribution in Stipa Baicalensis

  6. 本文通过模拟大气中CO2浓度升高和土壤干旱研究了贝加尔针茅C,N的积累及分配的影响。

    The impacts of environmental condition change on C , N accumulation and distribution in Stipa baicalensis were studied .

  7. 土壤干旱对老叶中的叶绿素a和叶绿素b的比率以及类胡萝卜素和叶绿素的比率的影响大于幼叶和成熟叶的。

    Soil drying had more effect on the ratios of chla / b and carotenoids / chls in old leaves than in young and mature leaves .

  8. 土壤干旱胁迫下沙棘休眠、萌芽期内源激素变化及外源GA3的调节

    Changes of Endogenous Hormone of Sea buckthorn in Dormancy Stage and Sprout Period under Soil Water Stress and Exogenous GA_3 Regulation

  9. 土壤干旱胁迫下,水稻植株的生理生化特性表现与PEG胁迫处理基本一致。

    The physiological and biochemical characteristics of rice under soil drought stress were consistent with PEG stress treatment . 3 .

  10. 结果表明:CO2浓度升高使根和叶的生物量显著增加,土壤干旱使根和叶的生物量显著减小;

    The simulation study shows that the CO_2 concentration in atmosphere enrichment increases root and leaf biomass , and soil drought decreases the root and leaf biomass .

  11. 此外,土壤干旱可引起芒果幼苗叶片Chlb含量增加,这可能对其适应与抵抗极端干旱环境有积极作用。

    Moreover , Chl b contents increased during soil drying stress and analysised which was possible good at adaptation and resistance severe dry condition for mango seedlings .

  12. 研究了土壤干旱(基质势为-086MPa)和湿润(基质势为-017MPa)条件下土壤机械阻力对玉米根系导水率(Lpr)的影响。

    The effect of soil mechanical resistance on hydraulic conductivity of maize root was studied experimentally in laboratory .

  13. 对高CO2浓度和土壤干旱胁迫响应的研究结果表明:干旱胁迫可使杨柴根系伸长,根生物量、地径、主茎高和茎生物量下降;

    The results showed that the soil drought stress lengthened root length , decreased the dry biomass of root and stalk and the growth value of basal diameter and stalk height .

  14. 根系ZR的含量随土壤干旱程度的加剧而不断下降,高氮条件下根系ZR含量均显著高于低氮处理的。

    Root ZR content decreased with drought stress , and root ZR content in the case of high nitrogen was higher than that low nitrogen treatment .

  15. 内蒙古中部地区近50a土壤干旱化趋势及其原因

    Drying of Soil in the Central Inner Mongolia Region in the Recent 50-year

  16. 木质部ABA与土壤干旱胁迫间的关系类似于根系ABA的变化,但低氮与高氮处理木质部ABA含量的差异没有根系ABA的显著。

    Similar trend was showed with the xylem sap ABA , but no difference was observed in xylem ABA in response to soil drying between different nitrogen treatments .

  17. 土壤干旱条件下CaCl2浸种对萝卜幼苗生理指标的影响

    The Effect of Seed Soaking with CaCl_2 on Physiological Parameters of Radish Seedlings under Soil Drought Stress

  18. 研究了土壤干旱条件下,不同的施钾水平对烟草光合速率、胞间CO2浓度、气孔导度、蒸腾速率、蒸腾效率及生物量的影响。

    The experiment of the effect of different potassium supplied on tobacco photosynthesis rate , intercelluar CO 2 content , stomatal conductance , transpiration rate , transpiration efficiency , and biomass under soil drought was carried out in pots .

  19. 作物干旱指数(CWSI)和土壤干旱指数(SWSI)

    Crop water stress index ( cwsi ) and soil water stress index ( swsi )

  20. 以盆栽新红星苹果树为试材,研究了土壤干旱条件下果实对水分利用效率(WUE)及有关参数日变化的影响。

    Potted Starkrimson apple trees were used as materials in the experiment . Effects of fruit on water use efficiency ( WUE ) and relevant parameters were studied under soil drought .

  21. 在冬小麦籽粒形成期(开花后约14天内),土壤干旱和施用外源ABA均可降低穗中部高位小花的结实率。

    The seed-setting rate of top floret in the mid-section of spikes in the grain deve - loping stage of winter wheat ( during the 14 days after the florescence ) can be reduced by soil drought and the application of external ABA .

  22. 采用聚乙二醇(PEG-5000)模拟土壤干旱条件,研究不同浓度6-苄基腺嘌呤(6-BA)处理对水稻芽期生长的影响。

    PEG-5000 was used to simulate soil water deficiency . In treatment with 6-BA at different concentrations , the effect on the bud of rice was studied under water stress .

  23. 试验以反复干旱为基础,模拟土壤干旱条件研究了8种燕麦幼苗在水分胁迫下叶片相对含水量(RWC)、气孔孔径、游离脯氨酸含量、乙烯含量、叶绿素含量及细胞膜的透性。

    To simulate arid condition , the relative water contents of leaf blades , width of stomata , contents of free proline , ethylene , chlorophyll and permeability of membrane about 8 oats seedlings were studied under water stress .

  24. 结果表明:根木质部水势在距根尖9cm以前是不断下降的,土壤干旱导致根木质部水势下降且前7cm根木质部水势的下降幅度增大。

    The results indicated that root xylem water potential decreased continuously along 9 cm from root apex . Soil drought not only decreased root xylem water potential but also increased the decreasing degree of root water potential along 7 cm from the root apex .

  25. 土壤干旱胁迫下刺槐无性系生长和渗透调节能力

    Growth and osmotic adjustment of Robinia pseudoacacia clones under drought stress

  26. 土壤干旱期间墨兰的水分生理变化

    Change of water physiology of Cymbidium sinense during soil drought period

  27. 土壤干旱对小粒种咖啡有关生理参数的影响

    Effect of drying Soil on Relevant Physiological Parameters of Coffea Arabica

  28. 农田蒸散是形成土壤干旱的主要因素。

    Field evaporation is the main factor in relation to drought .

  29. 土壤干旱条件下脱落酸根冠通讯的研究进展

    The research progress of abscisic acid CALYPTER communication under Drought Stresses

  30. 鲁西南土壤干旱与大气降水分析

    Analyse of Soil Drought and Atmoshpere Precipitation for Southwest of Shandong