Effects of different irrigation modes on the yield and water productivity of rice;
不同灌溉方式对水稻产量和水分生产率的影响
In order to make the decision adjusted to the practice, this paper presents new fuzzy theory for sequential decision for irrigation mode in canals and wells irrigation district; this theory can help rational using the limited water resources.
为使渠井灌区地表、地下水联合调度决策与实际结合更紧密,合理利用水资源,建立了灌溉序贯多指标模糊决策理论,提出考虑时段指标变权重的渠井灌区灌溉方式选择的多指标模糊关系优选模型,并进一步提出确定多指标变权重的主客观结合法。
This paper made a study of the effects of three irrigation modes,namely spring irrigation,flood irrigation and seepage irrigation,on the water eco-physiological characteristics of Ginkgo biloba(water potential,soil water,photosynthesis rate,transpiration rate and stomata conductance),under the same irrigation amount.
结果表明:渗灌处理的叶水势显著高于树灌器和漫灌处理;漫灌处理的土壤含水量高于其它2种处理,在浅层土壤中表现比较明显;在浇灌水后的第1天,渗灌处理的银杏叶片的光合速率、蒸腾速率、气孔导度和水分利用效率显著高于其它处理;以叶水势为指标反映植物体内水分亏缺程度,发现3种灌溉方式达到相同的灌溉效果时,渗灌比树灌器和漫灌节水。
Movement and utilization of water and nutrient under different irrigation patterns;
不同灌溉模式下水分养分的运移及其利用
For rational and efficient development and utilization of Yellow River water resources, analyzes the major problems of current irrigation patterns of Yellow River irrigation district, increasingly severe unbalance between water supply and demands.
为了促进黄河水资源的合理、高效开发利用 ,通过分析黄河下游引黄灌区现状灌溉模式存在的主要问题及日益短缺的黄河水资源供需形势 ,提出了引黄灌溉的发展方向和应采取的主要措施 ,如 :建立和完善科学合理的水价形成机制 ;建立“准水权市场” ,促进水权有偿转让和流动等。
The physiological characteristics of root and flag leaf in two hybrid rice, Ho nglianyou 6 and Liangyou 1193, after flowering stage under different irrigation patterns were studied.
对杂交水稻组合红莲优 6和两优 1193在淹水灌溉和湿润灌溉两种灌溉模式下生育后期的根系和光合生理特性进行了比较分析。
The effect of different irrigation models on evapotranspiration of rice and the effect of soil water stress on rice yield were studied.
根据土壤—植物—大气连续系统原理 ,1989～ 1998年在沈阳农业大学灌溉试验场通过盆载、蒸渗仪、小区及大田进行试验 ,分析了水稻的需要水规律及稻田土壤水分能量的变化特点 ,论述了土壤水分状况与水稻腾发强度之间的关系、不同灌模式对水稻腾发量的调控作用以及水分胁迫对水稻产量的影响 ,提出了水稻节水高产灌溉模式和土壤水分能量调控标准。
Based on it, the author carried out preliminary research on the optimum irrigation model for watermelon and used measure result of soil moisture to control irrigation times and water quantity.
通过利用先进的土壤水分测量仪,对雷州半岛春季西瓜种植期间逐日的土壤含水量进行连续测量,初步弄清了砖红壤的水分迁移变化规律,在此基础上进行了西瓜最佳灌溉模式的初步研究,利用土壤含水量的测量结果来控制灌溉次数和每次灌溉水量,研究结果表明,在无需增加节水机具等投入的情况下,采用合理的灌溉模式比一般常规灌溉模式节水25。
Study on Physiological and Ecological Characteristics of Rice under Different Irrigation Methods;
不同灌溉方式下水稻生理生态特性研究
The water requirement and growth in paddy rice were studied under four different irrigation methods and different evaporation and seepage with pot culture.
利用桶栽试验,研究了在不同灌溉方式及不同蒸发渗漏处理下的水稻需水量和对水稻生长的影响。
A plot experiment was carried out to study the effects of six different irrigation methods on physiological characters and yield quality of cherry tomato during fruit stage.
本文选择樱桃番茄作为研究对象,采用小区试验研究了6种灌溉方式(Ⅰ。
Comparative Test and Analysis of Modern Water-saving Irrigation Technology and Traditional Irrigation Way
现代节水灌溉技术与传统灌溉方式对比试验及分析
Comprehensive Benefit Evaluation of Water-Saving Irrigation and Irrigation Methods to Optimize Filter in Tarim Basin
塔里木盆地节水灌溉综合效益评价及灌溉方式优化筛选
In areas deficient of water, irrigation methods saving water shall be adopted.
在水源不足地区，应当采取节约用水的灌溉方式。
Responses of Corn to Different Irrigation Treatments;
玉米对不同灌溉方式和水分处理的响应
Effects of Water-Saving Irrigation Patterns on Integrated Benefits of Cotton in Deserted Oasis of Minqin;
节水灌溉方式对民勤绿洲棉花综合效益的影响
Study on Physiological and Ecological Characteristics of Rice under Different Irrigation Methods;
不同灌溉方式下水稻生理生态特性研究
The Studies on the Soil Moisture Index and Economy Irrigation Method in Tobacco;
烟田土壤水分指标与节水灌溉方式的研究
Analysis of Economic Benefit for Different Irrigation Ways on Potato Planted in Sandy Soil;
沙地马铃薯不同灌溉方式经济效益分析
Analysis of economic benefit of different irrigation techniques for potatoes planted in sandy soil;
沙地马铃薯不同灌溉方式的经济效益分析
Effect of Irrigation Modes on Production, Quality and Water Metabolism of Strawberry
灌溉方式对草莓产量、品质和水分代谢的影响
Effects of different irrigation methods on the yield and quality of banana
不同灌溉方式对香蕉产量和品质的影响
Effect of Irrigation Patterns on Yield-relating Characters of Rice in Cold Region
寒地水稻不同灌溉方式对产量相关性状的影响
Effects of Different Irrigation Patterns on Environmental Factors inside Wide-span Plastic Film Covered Tunnel Greenhouse
不同灌溉方式对巨型塑料大棚环境因子的影响
Effect of irrigation methods on yield and quality of cherry tomato
灌溉方式对樱桃番茄产量和品质的影响
Effects of Irrigation Patterns on Photosynthetic Characteristics and Root Growth of Strawberry
灌溉方式对草莓光合特性和根系生长的影响
Studies on Yield-increasing Effects of Intermittent Irrigation and Its Physiological Mechanism in Rice
干湿交替灌溉方式下水稻节水增产机理研究
Effect of irrigation methods on root characters and yield of cucumber during fruiting stage
灌溉方式对黄瓜结果期根系特征与产量的影响
Effect of Different Irrigation on Growth and Development in Cold Region
不同灌溉方式对寒地水稻生长发育的影响