水分状况

shuǐ fèn zhuànɡ kuànɡ
  • water regime
水分状况水分状况
  1. 水分状况对水田土壤N2O排放的影响

    N_2o emission from paddy soil as affected by water regime

  2. 土壤水分状况和氮肥施用及品种对稻田N2O排放的影响

    Effect of soil water regime and chemical N fertilizers application on N 2O emission from

  3. 结果表明,无论水分状况如何,土壤速效P含量随施P量的增加而呈明显增加趋势。

    The results indicated that soil available P content was obviously increased with the phosphate fertilizer application rate .

  4. 基于GIS的农田土壤水分状况管理模型及应用

    Development of soil moisture management models based on GIS for farmland and its application

  5. 林木体内水分状况测定PV曲线的制作及其应用

    Determination of the Moisture State in Forest Trees-A Process of Making the P-V Curve anb It 's Application

  6. CO2浓度增高对土壤速效N的影响与土壤水分状况有关。湿润处理,CO2浓度增加的处理速效N量比当前CO2浓度的处理低;

    The effects of CO 2 increased on soil available N depended on soil water status .

  7. PV曲线技术比较三种木本植物的水分状况

    Comparison of Water Relation among Three Woody Plants by Using Pressure-volume Technique

  8. 渗透胁迫对玉米幼苗不同叶片、叶位水分状况及SOD、POD活性的影响

    Effect of Osmotic Stress on the Water Status , SOD , POD Activities of Different Leaves in Maize Seedlings

  9. 文章还就在不同水分状况下ABA的累积与品种抗旱性的关系等进行了讨论。

    The relationship between ABA accumulation under different water status and the drought resistance of cultivars is also discussed .

  10. 林地、果园间种籽粒苋能有效地改善林地小气候、改善土壤结构,并在一定程度上调节土壤水分状况,有效地增加土壤中P、K含量,改良土壤;

    Inter-planting Grain amaranth can improve the microclimate and soil structure . It can also adjust the soil moisture , increase P and K contents , improve soil quality in some degree .

  11. 施硅提高了PEG胁迫下水稻植株的渗透调节能力,维持了较高的细胞膨压,改善了组织的水分状况。

    Silicon application enhanced the osmotic adjustment ability , maintained higher cell turgor pressure , and improved the water status of rice .

  12. 另外,对用标准化的冠层-空气温差法NDT(NormalizedDifferenceofTemperature)定量诊断作物水分状况的可行性进行了研究。

    Moreover , the utilization of NDT ( Normalized Difference of Temperature ) for assessing quantitatively water status of cotton and corn mulched with plastic film also was studied .

  13. 接种VA菌根真菌不仅提高了植株磷和总氮含量,而且明显改善了植株的水分状况;

    The P and total N content of plant increased and clearly improved plant water status by inoculation .

  14. 轮作制度和前作水分状况极大地影响稻田N2O的排放。

    The results implied that cropping system and water status of previous cropping impacted N2O emission from paddy soil .

  15. Z指数法考虑了降水的时空分布特性,具有多时间尺度特性,反映出了不同时间尺度的水分状况。

    The evaluation method of Z-index , which takes the spatial and temporal distribution characters of precipitation into consideration , can reveal the moisture-distribution in different time scales .

  16. 结果表明,农田CO2释放主要受气温、土壤水分状况和有机物投入量等因素的影响。

    The results showed that air temperature , soil water content and the amount of organic materiel that was returned to soil were the three main factors affecting the soil CO2 efflux .

  17. 毛乌素沙地SPAC系统中各部分水分状况及其关系的研究

    Water conditions and relationship among the components of the SPAC system of Mu Us sandy land , China

  18. 结果表明:森林土壤消耗CH4的速率受气体扩散的限制,对土壤水分状况和温度变化敏感。

    It was believed that CH4 consumption rate by forest soil was limited by diffusion and sensitive to changes in water status and temperature of soil .

  19. 运用PV技术制作了黔中喀斯特森林21个常见树种的PV曲线,分析了由PV曲线导出的8个水分状况参数的生态意义。

    The Pressure-Volume curves of 21 main tree species in Karst forest have made by using the method of PV-technique and the ecological effect of water state parameters from PV-curves were analysed .

  20. 在华北地区,影响设施内葡萄光合效率的主要生态因素是CO2浓度和水分状况,尤其是设施内相对湿度和光合效率有明显相关。

    In north China area , the major ecological factors affecting the efficiency of grape Photosynthesis are CO 2 and moisture contents , especially , the relative humidity has a direct bearing on the efficiency of photosynthesis .

  21. 不同水肥条件通过改善土壤水分状况而改善作物净光合速率(Pn)和蒸腾速率(Tr),在水分亏缺的年份,作物受土壤水分胁迫严重,施肥对Pn和Tr的效应不明显;

    Through improving the soil moisture condition , net photosynthetic rate ( Pn ) and transpiration rate ( Tr ) of flag leaves are enhanced through coordination of different water and fertilizer .

  22. 依据生长期土壤水分状况和水分平衡要求,科尔沁沙地小叶锦鸡儿灌丛适宜密度应为2m×2m。

    According to the soil water status and water balance theory , the appropriate planting density of C. microphylla shrubs in Horqin sand land should be 2 m × 2 m.

  23. 本文以Jarvis气孔导度模型为基础,提出一个充分考虑土壤水分状况因素的气孔导度模型。

    This paper presented a new model , which adopted the main structure of Jarvis-type and fully considered the importance of soil moisture condition .

  24. 促进作用主要是由于生物结皮的存在改善了土壤表层0-5cm的养分及水分状况;

    Biological crust improved nutrient and water condition of0-5cm soil surface , thus there was positive effect .

  25. 与胁迫对照相比,提高APX的活性可延长切花的瓶插寿命,改善切花的开放状态和花枝的水分状况,提高花瓣中SOD活性,降低花瓣中的MDA含量;

    Compared with Stress control , vase life was extended , flower opening process and water relation was alleviated , MDA content was decreased and SOD activity was increased in flowers in which APX activity was increased .

  26. 植物种原始生境的水分状况用Ellenberg水分序数定量。

    Moisture status of the species ' habitats was quantified as Ellenberg moisture number .

  27. 结果表明,植株茎膨胀及收缩与作物体内的水分状况有密切的关系,茎直径变化量(ΔSd)能灵敏、实时、准确地反映植株体内的水分状况。

    The results showed that the shrinking and swelling in stem diameter was closely related to the moisture content status within the plant , and variable differential in stem diameter ( Δ Sd ) could reflect plant moisture content condition sensitively , duly and accurately .

  28. 探讨并建立了适合于中国华北地区夏玉米水分状况监测的作物水分胁迫指数(CWSI)模型。

    The crop water stress index ( CWSI ) model for monitoring summer maize water stress in North China Plain ( NCP ) was set up in this paper .

  29. 探明了SPAC中水流阻力主要以节点阻力存在,土-根阻力是决定作物水分状况的主要因素。

    It was proved that the water flow resistances in SPAC existed largely as node resistances , and the resistance between soil and root was the major factor that determines the water status in crop .

  30. 白三叶整个土壤水分状况分为两层:活跃层(0~60cm),稳定层(60~100cm)。

    The white clover soil water profile in 0 ~ 100cm can be divided into 2 layers , i.e. , active layer ( 0 ~ 60cm ), correspondingly sTab . layer ( 60-100 ) .