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status of soil moisture
相关语句
  水分状况
    Relationship between Free Proline Accumulation and the Drought Resistance in Rice Plants under Different Status of Soil Moisture
    水稻在不同土壤水分状况下脯氨酸的累积与抗旱性的关系
短句来源
    Status of Soil Moisture in Oasis and Desert Unirrigated Vegetation Region along Middle Reaches of Heihe River Basin
    黑河中游荒漠绿洲区免灌植被土壤水分状况
短句来源
    Using 6 mid-maturing lowland and upland rice varieties as materials,the relationship between free proline accumulation and the drought resistance in rice plants under different status of soil moisture was studied.
    以6个中熟水、陆稻品种为材料,研究了在不同土壤水分状况下水稻叶片中游离脯氨酸的累积及其与抗旱性的关系。
短句来源
    The seasonal variance of soil respiration had a close relationship with the aboveground biomass of S.grandis and the status of soil moisture.
    群落土壤呼吸具有明显的时空动态 ,控制群落土壤呼吸空间变异与时间变异的因子是不同的 . 土壤呼吸的季节变化与地上部生物量及土壤水分状况关系密切 .
短句来源
    By monitoring status of soil moisture in 8 models of agroforestry configuration managed for more than 8 years in riparian slopeland of Three Gorges Reservoir Region, the distribution state of soil moisture has been researched.
    通过对三峡库区迎江坡面8种连续经营8年以上的代表性土地单元间农林复合结构模式的土壤水分状况监测,研究土壤水分分布规律。
短句来源
  土壤水分状况
    Relationship between Free Proline Accumulation and the Drought Resistance in Rice Plants under Different Status of Soil Moisture
    水稻在不同土壤水分状况下脯氨酸的累积与抗旱性的关系
短句来源
    Status of Soil Moisture in Oasis and Desert Unirrigated Vegetation Region along Middle Reaches of Heihe River Basin
    黑河中游荒漠绿洲区免灌植被土壤水分状况
短句来源
    Using 6 mid-maturing lowland and upland rice varieties as materials,the relationship between free proline accumulation and the drought resistance in rice plants under different status of soil moisture was studied.
    以6个中熟水、陆稻品种为材料,研究了在不同土壤水分状况下水稻叶片中游离脯氨酸的累积及其与抗旱性的关系。
短句来源
    The seasonal variance of soil respiration had a close relationship with the aboveground biomass of S.grandis and the status of soil moisture.
    群落土壤呼吸具有明显的时空动态 ,控制群落土壤呼吸空间变异与时间变异的因子是不同的 . 土壤呼吸的季节变化与地上部生物量及土壤水分状况关系密切 .
短句来源
    By monitoring status of soil moisture in 8 models of agroforestry configuration managed for more than 8 years in riparian slopeland of Three Gorges Reservoir Region, the distribution state of soil moisture has been researched.
    通过对三峡库区迎江坡面8种连续经营8年以上的代表性土地单元间农林复合结构模式的土壤水分状况监测,研究土壤水分分布规律。
短句来源
  “status of soil moisture”译为未确定词的双语例句
    Research status of soil moisture forecast in farmland and comparative analysis of different methods
    农田土壤墒情预报研究现状及不同预报方法的对比分析
短句来源
    It was found that soil moisture available was ranged -0.3--20 bar,trees grew normally under the status of soil moisture ranged-0.3--3 bar. However,trees would be,slightly or moderately,suffering from water stress as the moisture available reduced to-3--10 bar and-10--20 bar.
    研究表明,土壤有效水范围为-0.3--20bar,正常生长水在-0.3--3bar,轻胁迫水-3--10bar,中胁迫水为-10--20bar; 土壤持水特性和有效水范围以阳坡最小,半阳坡最大;
短句来源
    It indicates that the numerical modeling can reflect the status of soil moisture movement under the condition of water storage pit irrigation,and its method of solution is feasible.
    说明所建立的数学模型能够反映蓄水坑灌条件下的土壤水分运动状况,其数值求解方法也是可行的。
短句来源
    The geographical distribution,vertical distribution,growing seasonal distribution and the surplus-deficit status of soil moisture in regional farm land are analyzed by using the index of soil water storage capacity based on the field real data.
    在农田土壤水分实测资料的基础上,以土壤蓄水量为指标研究了黑龙江省区域农田土壤水分的地理分布特征、垂直分布特征、随生长季的变化规律以及盈亏状况。
短句来源
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  status of soil moisture
Some aspects of the cation status of soil moisture
      
Some aspects of the cation status of soil moisture
      
Some aspects of the cation status of soil moisture
      
Some aspects of the cation status of soil moisture
      
Some aspects of the cation status of soil moisture
      
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To find out the effect of the availability of soil moisture on the survival percentage and tree growth in young plantations,a study was carried out in three typical sites on the mid-slopes with different aspects,southerly, westerly and northwesterly, in northern Taihang Mountains.It was found that soil moisture available was ranged -0.3--20 bar,trees grew normally under the status of soil moisture ranged-0.3--3 bar.However,trees would be,slightly or moderately,suffering from water stress as the moisture...

To find out the effect of the availability of soil moisture on the survival percentage and tree growth in young plantations,a study was carried out in three typical sites on the mid-slopes with different aspects,southerly, westerly and northwesterly, in northern Taihang Mountains.It was found that soil moisture available was ranged -0.3--20 bar,trees grew normally under the status of soil moisture ranged-0.3--3 bar.However,trees would be,slightly or moderately,suffering from water stress as the moisture available reduced to-3--10 bar and-10--20 bar. The results also indicated that the moisture capacity and range of moisture available is the least on the site southwards,on contrast,the largest westwards. The content and availability of soil moisture varied seasonally. Species choice should be considered to use those more resistant to drought for planting programmes, and the soil water conditions could be very much improved by site preparation.

以太行山北部山西五台山中山地区幼林地土壤为研究对象,在阳坡、阴坡和半阳坡三种代表性立地上,从土壤水势、水容量等持水特性和土壤水分季节变化角度,并结合树木抗旱性和生长,研究了该地区土壤水分供应状况及其与造林成活和幼林生长的关系。研究表明,土壤有效水范围为-0.3--20bar,正常生长水在-0.3--3bar,轻胁迫水-3--10bar,中胁迫水为-10--20bar;土壤持水特性和有效水范围以阳坡最小,半阳坡最大;土壤自然含水率和有效水含量随降水而呈明显的季节变化特征,阴坡全年土壤含水率高,有效水充足,造林成活率高,幼林生长快,半阳坡和阳坡土壤含水率低,有效水较少,林木易于受旱,需选择抗旱树种,采取抗旱造林措施;整地可明显改善土壤水分状况,是抗旱造林和促进幼林生长的良好措施。

Using 6 mid-maturing lowland and upland rice varieties as materials,the relationship between free proline accumulation and the drought resistance in rice plants under different status of soil moisture was studied.The results showed that:1)the free proline accumulation in the leaves of drought-resistant varieties began earlier and the duration was longer under the treatments of low soil moisture,compared to the less drought-resistant ones, the leaf water potential threshold of obivious proline...

Using 6 mid-maturing lowland and upland rice varieties as materials,the relationship between free proline accumulation and the drought resistance in rice plants under different status of soil moisture was studied.The results showed that:1)the free proline accumulation in the leaves of drought-resistant varieties began earlier and the duration was longer under the treatments of low soil moisture,compared to the less drought-resistant ones, the leaf water potential threshold of obivious proline accumulation was-0. 62 ̄ -0.66 MPa for the former and -0.78 ̄ -0.82 MPa for the latter;2)the relative proline content (the treatments/the control×100% )after the treatment for 10 days very significantly correlated with the drought - resistant coefficient of the varieties at -0. 04 MPa of soil water potential (r=0. 9712);and 3)the relative proline content after the treatment for 30and 40 days had a significant negative correlation with the yield reduction percentage at -0.04 and -0.06 MPa of soil water potential (r=-0.9342 and -0.9581,respectively).It was suggested that the physiological character of early accumulation and long duration of free proline under the condition of low soil moisture be regarded as an index for evaluating the drought resistance of rice varieties.

以6个中熟水、陆稻品种为材料,研究了在不同土壤水分状况下水稻叶片中游离脯氨酸的累积及其与抗旱性的关系。在低土壤水分处理下,抗旱性水稻品种叶片中游离脯氨酸累积开始较早,持续时间长,抗旱性较差的品种则开始较迟,持续时间短;脯氨酸开始累积的叶水势阈值,抗旱性品种为-0.62~-0.66MPa,抗旱性较差的品种为-0.78~-0.82MPa;土壤水势为-0.04MPa时,处理10d后叶片的相对脯氨酸含量(处理/对照×100%)与品种的抗旱系数呈极显著正相关(r=-0.9712);保持土壤水势为-0.04MPa和-0.06MPa,处理后30d和40d叶片的相对脯氨酸含量与减产率呈极显著的负相关(r=-0.9342、-0.9581)。建议把在低土壤水分条件下脯氨酸累积较早、持续时间长这一生理特性作为评价水稻品种抗旱性的一个指标。

Determinations on the soil respiration in a typical Stipa grandis grassland of Inner Mongolica by the method of static chamber/alkaline absorbing show that there existed great spatial and temporal variances of soil respiration,and the factors controlling these variances were different.The seasonal variance of soil respiration had a close relationship with the aboveground biomass of S.grandis and the status of soil moisture.The total amount of annual CO 2 release in 1995,1997 and 1998 was estimated...

Determinations on the soil respiration in a typical Stipa grandis grassland of Inner Mongolica by the method of static chamber/alkaline absorbing show that there existed great spatial and temporal variances of soil respiration,and the factors controlling these variances were different.The seasonal variance of soil respiration had a close relationship with the aboveground biomass of S.grandis and the status of soil moisture.The total amount of annual CO 2 release in 1995,1997 and 1998 was estimated as 180,45.8 and 225 gC·m -2 ·yr -1 ,respectively.Overgrazing greatly decreased the biomass of the community,and also ,decreased the CO 2 release from the soil.The possibility of establishing a dynamic model of soil respiration in grassland with precipitation as a driven factor was discussed.

采用静态室 /碱吸收法研究了内蒙古大针茅典型草原土壤呼吸的时空动态 .大针茅群落地上部和地下部生物量的时空变异不同步 ,用地上部生物量不能很好地预测群落的根系量 .群落土壤呼吸具有明显的时空动态 ,控制群落土壤呼吸空间变异与时间变异的因子是不同的 .土壤呼吸的季节变化与地上部生物量及土壤水分状况关系密切 .根据大针茅群落分别计算了大针茅群落 1995、1997和 1998年的年CO2 排放总量 ,分别为 180、45 .8和 2 2 5 gC·m-2 ·a-1,年际变异很大 .过度放牧大大降低了群落的生物量 ,也降低了土壤CO2 排放量 .讨论了建立以降水量为驱动因子的草地群落土壤呼吸动态模型的可能性 .

 
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