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灌水时间    
相关语句
  irrigation time
    Throughout all the developing stages the highest water consuming intensity aPpeared between heading and flowering stages with a intensity of 7.68 mm/d, which was the treatment that was irrigated in heading stage, thus heading stage was considered as the best irrigation time in importance of contribution to soil water Waer deficiency analysis had indicated .
    小麦全生育期耗水强度的变化呈"双峰"曲线,虽峰值出现时间不一致,但总是与灌水时间同步变化,各处理基本上以小麦抽穗一扬花期耗水强度为全生育期最高值,且以抽穗期灌水的处理耗水强度最高,日耗水量高达7.68mm/d,认为抽穗期灌水对土壤水分的贡献最大;
短句来源
    Crop water stress index(CWSI) is widely used in determinating irrigation time but seldom in determi-nating irrigation water amount. The objective of this paper is to investigate the relationship between the CWSI and the soil moisture and the possibility of using it to determinate the irrigation water amount.
    基于冠层温度的作物水分胁迫指标CWSI(Crop Water Stress Index)广泛用于指导作物灌水时间,利用自动气象站的观测资料分别计算了不同供水处理条件下冬小麦中午12:00的作物水分胁迫指数,并将作物水分胁迫指数和对应的土壤含水量进行相关分析,以探讨用作物水分胁迫指数确定灌水量的可行性。
短句来源
    But when designing a sprinkler system, the basic parameter to be used, for example evapotranspiration, is got by experiment under surface irrigation condition. For not accounting for sprinkler points, the parameters of irrigation quota on each application irrigation duty and irrigation time used in practice under sprinkler condition are different to some extent with those under surface irrigation.
    但是喷灌系统设计时,应用的一些基础参数如腾发量等,一般都是在传统地面灌溉条件下通过试验得出的,由于没有考虑喷灌的特点,所以在实际的应用中,灌水定额、灌溉定额及灌水时间等的确定都会不同程度的出现偏差。
短句来源
    Besides the laboratory experiments, the field experiments also performed in Hetao region. The field experiments showed that large flow rate can not only reduce much irrigation time, but can also increase irrigation efficiency.
    另外田间试验结果表明,流量的大小直接影响到灌水的效率,流量大不仅可以节省灌水时间,还可以提高灌水均匀度;
短句来源
    It is based on actual evapo-transpiration capacity, effective rainfall and water reserve of soil to forecast irrigation time.
    以实际蒸发蒸腾量、有效降雨量和土壤贮水量来预报未来灌水时间
短句来源
更多       
  irrigation time
    Throughout all the developing stages the highest water consuming intensity aPpeared between heading and flowering stages with a intensity of 7.68 mm/d, which was the treatment that was irrigated in heading stage, thus heading stage was considered as the best irrigation time in importance of contribution to soil water Waer deficiency analysis had indicated .
    小麦全生育期耗水强度的变化呈"双峰"曲线,虽峰值出现时间不一致,但总是与灌水时间同步变化,各处理基本上以小麦抽穗一扬花期耗水强度为全生育期最高值,且以抽穗期灌水的处理耗水强度最高,日耗水量高达7.68mm/d,认为抽穗期灌水对土壤水分的贡献最大;
短句来源
    Crop water stress index(CWSI) is widely used in determinating irrigation time but seldom in determi-nating irrigation water amount. The objective of this paper is to investigate the relationship between the CWSI and the soil moisture and the possibility of using it to determinate the irrigation water amount.
    基于冠层温度的作物水分胁迫指标CWSI(Crop Water Stress Index)广泛用于指导作物灌水时间,利用自动气象站的观测资料分别计算了不同供水处理条件下冬小麦中午12:00的作物水分胁迫指数,并将作物水分胁迫指数和对应的土壤含水量进行相关分析,以探讨用作物水分胁迫指数确定灌水量的可行性。
短句来源
    But when designing a sprinkler system, the basic parameter to be used, for example evapotranspiration, is got by experiment under surface irrigation condition. For not accounting for sprinkler points, the parameters of irrigation quota on each application irrigation duty and irrigation time used in practice under sprinkler condition are different to some extent with those under surface irrigation.
    但是喷灌系统设计时,应用的一些基础参数如腾发量等,一般都是在传统地面灌溉条件下通过试验得出的,由于没有考虑喷灌的特点,所以在实际的应用中,灌水定额、灌溉定额及灌水时间等的确定都会不同程度的出现偏差。
短句来源
    Besides the laboratory experiments, the field experiments also performed in Hetao region. The field experiments showed that large flow rate can not only reduce much irrigation time, but can also increase irrigation efficiency.
    另外田间试验结果表明,流量的大小直接影响到灌水的效率,流量大不仅可以节省灌水时间,还可以提高灌水均匀度;
短句来源
    It is based on actual evapo-transpiration capacity, effective rainfall and water reserve of soil to forecast irrigation time.
    以实际蒸发蒸腾量、有效降雨量和土壤贮水量来预报未来灌水时间
短句来源
更多       
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  irrigation time
Because of the relatively short irrigation time, the protocol may be useful in clinical evaluation of the site of urinary candidiasis.
      
Following a prolonged irrigation time, all of these solutions cause further urothelial damage, but EDTA caused the most, followed by R, S1, S2, Phys or Art, respectively, at 48 and 72?h.
      
Furrow irrigation can be better managed if the management decision variables (irrigation time and amount; inflow rate and cutoff) can be determined ahead of time.
      
In the Leptosols, however, the degradability of the organic matter tended to increase with irrigation time.
      
This study tests the hypothesis that irrigation with glyceryl trinitrate solution, by inducing gastrointestinal smooth muscle relaxation, may accelerate expulsion of stool by passive emptying, thereby reducing irrigation time.
      
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This paper deaIs with the correlationship between the differentiation of the yieIdieg organ and mophoIogy and the effects of cultivating measures on the factors of field of Avena nuda L. ( L94 ) grown in Qinghai highIandIs frigid zone. Accordingly, it points out the optimum time for sowing, fertiIizing and irrigating.

本文以青海省优质莜麦品种L94为材料,研究了高寒地区夏莜麦结实器官的分化与外部形态的相关性以及裁培措施对莜麦产量因素的影响。在此基础上,确定了夺取莜麦丰产的“最佳”播种、施肥和灌水时间

In this article,the author briefly reviewed some physiological indi- cators used in cotton irrigation scheduling.These indicators include:leaf water potential,leaf water content,cell sap concentration and exudation rate,stomatal aperture and resistance to diffusion,cvapotranspiration rate,leaf temperature and its revised indices,such as stress-degreeday (SDD)and crop water stress index(CWSI),and stem diameter contr- action.Methods and implements used to measure the above indicators were also compared.It was...

In this article,the author briefly reviewed some physiological indi- cators used in cotton irrigation scheduling.These indicators include:leaf water potential,leaf water content,cell sap concentration and exudation rate,stomatal aperture and resistance to diffusion,cvapotranspiration rate,leaf temperature and its revised indices,such as stress-degreeday (SDD)and crop water stress index(CWSI),and stem diameter contr- action.Methods and implements used to measure the above indicators were also compared.It was proposed that further research should be di- rected to measure several indicators simultaneously on a large scale with meteorological adjustment,so as to reveal the effects of water stress on cotton growth and choose the best time to irrigate.

本文简略地介绍了一些用以确定棉花灌水时间的生理指标。这些指标包括:叶水势,叶片含水量,叶液浓度,伤流量,气孔开度和扩散阻力,蒸发蒸腾量,叶温及其衍生指标以及茎粗变化等。同时还对测定这些指标的方法和仪器作了比较。作者建议进一步的研究应致力于同时测定几个生理指标,并辅以气象因子校正,以便使之能真实地反映水分胁迫对棉花生长的影响,并据以确定最佳灌水时间

In this paper, studied correlate and regression about dispersing of temperature and light of dif-ferental crown cover with Phytophthora Capsici of sweet pepper and stated countermoving. Indication of result: At 14 o'clock index of patient's condition and rate of death are raised along with increased of intensity of illumination among 26000-50500Lux, their correlative coefficent respectively are

本文重点研究探讨了不同群体冠层温光分布与甜椒疫霉病发生的相关回归关系,并提出了对策,结果表明:中午14时株底地面光强在26000~50500Lux范围内,随光强增加,病情指数与死亡率提高,相关系数r值分别为0.684、0.754,大于r_(0.01)=0.661,达极显著水平,回归方程分别为:y=15.523+0.00001x,y=20.183+0.00001x。其它群体冠层光强不是造成发病死亡的主要原因,光强愈强,地面温度愈高,中午株底温度与晚上20时根际5cm温度与甜椒发病死亡相关显著,中午株底温度区间在29.6℃~36.5℃范围,随温度升高发病死亡增加,与病情指数和死亡率的相关系数r值分别为0.738、0.697,大于r_(0.01)=0.661,达极显著水平,回归方程分别为:y=39.665-0.96x,y=45.473-1.065x;晚上20时根际5cm温度区间在28.5℃~33.4℃间,随温度升高发病死亡提高,与病情指数和死亡率的相关系数r值分别为0.580、0.621,大于r_(0.05)=0.532,达显著水平,回归方程分别为:y=36.336-0.937x,y=51.824-1.366x。本...

本文重点研究探讨了不同群体冠层温光分布与甜椒疫霉病发生的相关回归关系,并提出了对策,结果表明:中午14时株底地面光强在26000~50500Lux范围内,随光强增加,病情指数与死亡率提高,相关系数r值分别为0.684、0.754,大于r_(0.01)=0.661,达极显著水平,回归方程分别为:y=15.523+0.00001x,y=20.183+0.00001x。其它群体冠层光强不是造成发病死亡的主要原因,光强愈强,地面温度愈高,中午株底温度与晚上20时根际5cm温度与甜椒发病死亡相关显著,中午株底温度区间在29.6℃~36.5℃范围,随温度升高发病死亡增加,与病情指数和死亡率的相关系数r值分别为0.738、0.697,大于r_(0.01)=0.661,达极显著水平,回归方程分别为:y=39.665-0.96x,y=45.473-1.065x;晚上20时根际5cm温度区间在28.5℃~33.4℃间,随温度升高发病死亡提高,与病情指数和死亡率的相关系数r值分别为0.580、0.621,大于r_(0.05)=0.532,达显著水平,回归方程分别为:y=36.336-0.937x,y=51.824-1.366x。本文还从地面覆盖、改沟灌水、灌水时间、药剂防治、选育新品种方向上提出了对策。

 
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