根据华北地区冬小麦干旱的特点，确定了小麦各发育阶段在有限灌溉条件下的干旱指标及发生概率。
The drought indexes of winter wheat in various development stages under limited irrigation are determined and the drought probabilities are calculated.
干旱气候的影响具有持续时间长、范围广、灾害程度重的特点，而干旱指标是衡量干旱气候的标准。
The impact of drought climate has the characteristics of long duration, wide range and severe disaster degree.
本文在总结分析影响干旱发生的多种因素的基础上，将模糊综合评价具体应用到干旱指标评价研究中。
This paper summarizes and analyzes several factors affecting drought, and applies the fuzzy synthetic evaluating theory to the drought index evaluation in Guanzhong region.
该地图展现了公认的指标—帕尔默干旱强度指数。
The maps show a widely recognized indicator known as the Palmer Drought Severity Index.
根据不同季节和不同类型的干旱，给出了具体的预报指标。
Detailed forecast indexes are given according to different seasons and drought types.
土壤适宜含水量和土壤干旱下限指标的最新研究成果，为低定额的农业供水提供了土壤物理学的重要依据。
Recent achievements of appropriate soil moisture and lower limit of soil drought indices provided an important basis of soil physics for agricultural water supply of low quota.
本文对利用NOAA气象卫星遥感监测资料和土壤水分人工观测资料开展安徽省干旱监测的指标进行了介绍。
Based on the data of the monitoring of NOAA meteorological satellite and the observed soil moisture at the surface observation station, drought index was expatiated in Anhui Province.
采用降水指标、径流指标、受旱率进行干旱程度分析。
The drought degree is analyzed by precipitation target and drought rate.
干旱胁迫对对开蕨光合及生理指标产生显著影响。
The photosynthetic physiology and correlative physiological indexes of Phyllitis japonica responsed to the different degrees of drought treatment significantly.
干旱等级是描述一次干旱强度的定量指标，干旱灾度是描述一次干旱造成社会损失大小的定量指标。
Magnitude of drought is a quantitative target for describing one drought scale, and disaster degree of drought is a quantitative target for describing one social loss caused by drought.
对不同土壤干旱条件下刺槐幼苗水分生理和生长指标进行了初步研究。
The water physiology of locust seedling under conditions of different drought stress was tested.
土壤干旱胁迫，其生理过程均受到显著影响，但各项生理指标对水分亏缺的敏感性不同；
The physiological indexes were significantly affected by soil water stress but different sensitivity of each index was showed.
土壤湿度是干旱预报、农业生产、作物布局和农业决策的重要指标之一。
Soil moisture is one of the most important indexes for drought prediction, agricultural production, crop layout and agricultural decision making.
在模拟干旱条件下测定了高加索三叶草、白三叶和红三叶幼苗期的抗旱生理指标。
Under simulated drought stress conditions, some physiological indices for Caucasian clover(Trifolium ambiguum Bieb.
结果表明：鉴定甜瓜品种抗旱性，苗期可应用株高胁迫指数（PHSI）、干物质胁迫指数（DMSI）、叶片水分饱和亏、电解质渗出率、干旱处理伤害率等指标。
The results showed that PHSI, DMSI, WSD, electrolyte transudation ratio and injury ratio under drought treatment could be used to appraise the drought resistance of melon species at seedling stage.
灌溉条件下各产量指标明显高于干旱地区。
The location under irrigated conditions had a higher yield value than under dry land conditions.
在不同梯度土壤干旱胁迫下，八仙花4个品种叶片的各项生理生化指标发生不同变化。
In the different gradient under drought stress, leaves of 4 varieties of Hydrangea of the different physiological and biochemical changes occur.
通过这些指标说明干旱是关中灌区难以实现稳产、高产最大的障碍。
Drought is the biggest disturbance of dependable crop and heavy-producing grain output to the irrigation district.
采用盆栽试验对不同土壤干旱程度下刺槐幼苗水分生理和生长指标进行了初步研究。
This paper deals with the water physiology and growth characteristics of locust seedling under different soil drought.
一般而言，干旱胁迫强度越大，对各指标的影响越显著。
Generally, the greater the intensity of drought stress was, the more distinctly index changed.
在干旱条件下，寻找遗传力高且与产量高度相关的第二类性状，构建选择指标，可提高耐旱选择效率。
Under these conditions, selection for secondary traits, such as anthesis silking interval and ear per plant, may increase the selection efficiency.
为给女贞、金叶女贞和金边女贞在北方干旱、半干旱地区的栽培与管理提供理论依据，对这三种女贞的部分抗性生理指标进行了比较试验。
Some stress resistant physiological indexes of the leaves of three Ligustrum species were compared to provide theoretical basis for cultivation management in arid and semi-arid area in north China.
研究在不同程度干旱胁迫下结缕草叶片的叶绿素、脯氨酸、MDA含量的变化进行测定，研究其生理生化指标的变化，来探讨结缕草对干旱胁迫的响应。
Different degrees of drought stress in chlorophyll Zoysia, proline, MDA content changes were determined to study the physiological and biochemical changes, to explore the Zoysia to drought stress.
有关茶树在干旱胁迫下生理生化变化的各种指标的研究中，选取的指标单一而分散，较为系统的研究报道没有出现。
On the various indexs research in the physiological and biochemical change under drought stress, the index selection is sole and disperse, so there are hardly systematic research reports.
在盆栽干旱条件下，结果表明：在多数测量指标中，草原1号优于龙牧801，表现优异，体现了其优良的抗逆境品质。
In plants under drought conditions, results showed that: in most metrics, the grassland than 1 Longmu 801, outstanding performance, reflecting its excellent anti-stress quality.
在盆栽干旱条件下，结果表明：在多数测量指标中，草原1号优于龙牧801，表现优异，体现了其优良的抗逆境品质。
In plants under drought conditions, results showed that: in most metrics, the grassland than 1 Longmu 801, outstanding performance, reflecting its excellent anti-stress quality.
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