耗水量
- water consumption
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2003年流域农业总耗水量为17.61亿m3,流域总净灌溉需水量为13.03亿m3。
In 2003 , the total agricultural water consumption is 1.761 billion m3 , and total net irrigation water requirement is 1.303 billion m3 .
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FⅠ处理下的产量较CK处理稍有增加,而耗水量却较CK减少了288.69m~3/hm~2。
The yields in F ⅰ treatment increases slightly compared with CK treatment , but the water consumption is reduced compared with CK 288.69m ~ 3 / hm ~ 2 .
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主成分分析表明,在间歇灌溉条件下,在总施N量不变时,配施40%有机N肥降低水稻耗水量,并适当提高水稻产量。
The principal component analysis shows that under the same total N application , 40 % inorganic N could decrease irrigation water and increase rice yield in IIR treatment appropriately .
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哥斯达黎加食品饮料公司FloridaIce&Farm在生产饮料过程中采纳严苛的耗水量标准。这些企业还通过环保事业来衡量自身价值。
Florida Ice & Farm , a Costa Rican food and drink company , has adopted exacting standards for the amount of water it can consume in producing drinks .
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分析了非充分灌溉中作物各生育阶段最优耗水量及产量对Jensen模型的敏感性。
Sensitivities of optimal water consumptions in each growing stage and yield for Jensen 's model are analyzed .
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基于CWSI和实际耗水量的膜下滴灌作物需水量研究
Crop Water Requirement of Cotton Drip Irrigation under Membrane Based on CWSI and Actual Crop Water Depletion
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关键期耗水量指标(分别为225、200、140、100mm);
The indexes of water consumption in the key period were ( 225mm / 200mm / 140mm / 100mm ) .
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盆栽试验表明,与CI相比,APRI处理降低玉米株高、总干质量、耗水量、蒸腾速率和气孔导度。
Pot experiment indicates that compared to CI , APRI decreased plant height , total dry mass , water consumption , transpiration rate and stomatal conductance .
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对于CRDI,当控制土壤含水率下限由65%θF变化为55%θF时,耗水量下降了35%,节水效果明显;
When the lower limit of soil moisture changed from 65 % field capacity to 55 % field capacity , water consumption dropped by 35 % , which showed an remarkable water-saving effect .
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对不同水分处理棉花的CWSI进行了定期观测,得到了棉花CWSI与棉花耗水量的关系。
The CWSI of different water treatment cotton was observed periodically and the relationship between CWSI and crop water depletion was established .
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正常水分为50%-60%田间持水量(0f)处理下长穗柽柳的旬耗水量与各旬水面蒸发的相关系数为0.88。
The correlation coefficient was 0.88 between water consumption and water evaporation of every period of ten days in field water-holding capacity (θ f ) of 50 % - 60 % .
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本文应用望都实验站连续两年夏玉米的不同灌水处理下对应的产量的试验资料,分别用Blank模型和Jensen模型来拟合夏玉米的ET(耗水量)与Y(产量)的关系。
This paper analyzes Blank and Jensen models of water production functions by using successive two years data in Wangdu Irrigation Experimental Station , which were measured in different irrigated treatments , to stimulate the relationship of wheat evapotranspiration and wheat yield .
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本文研究了滴灌、传统灌溉及不灌溉(CK)处理对燕麦不同生育时期的耗水量、土壤含水率、土壤酶活性、土壤微生物生物量碳、氮含量、燕麦光合特性及产量的影响。
The impacts of varied irrigation methods on the water consumption , soil water content , soil enzyme activities , the carbon and nitrogen contents of the soil microbial biomass , photosynthetic characteristic and the yield of oats at different developmental stages were studied .
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最大用水小时之内更为密集用水的时段T和该时段的累计耗水量αQh,这两个参数需要实地观测确定。
Two factors , the most intensive time-interval T and the cumulative water consumption of this interval in the maximum water demand hour , are involved while deciding the working faucets .
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高CO2条件下,小麦的蒸腾速率降低、累积耗水量减少、水分利用效率(WUE)提高,WUE的提高幅度在适宜水分下最大,为30%。
Elevated also increased the water use efficiency of wheat , mainly due to decreases in transpiration and cumulative consumption of water , and an increase in shoot dry weight , with the biggest value of 30 % occurring at high soil water moisture level .
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2夏玉米生长期平均耗水量为350mm左右,同期降水量占作物耗水量的80%左右;
For summer maize , the water-consumption is about 350 mm , the precipitation in the same term amount to 80 percent of the water-consumption ;
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夏玉米耗水量在5年内累计增长39.99mm(10.18%),年增长率2.04%。
Water consumption of summer corns have a cumulative growth of 39.99mm ( 10.18 % ) with annual growth rate of 2.04 % .
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在干旱年份,苹果树耗水量除来源于生育期间的有效降水外,还有相当一部分依赖于3m以下土层贮水,形成土壤干层,影响果业持续发展。
In dry year , except for available precipitation , a considerable part of water used by apple trees came from deep ( exceeded 3 m ) soil moisture storage , which resulted in a dried soil layer and would affected the sustainable development of fruit production .
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在本文的最后给出了用绿洲一荒漠交错带GSVAC模型计算三工河流域植被耗水量的具体方法。
Calculating method of Groundwater-Soil-Vegetation-Atmosphere Continuum ( GSVAC ) model to the vegetation water consumption of large area have been presented at the end of this paper .
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在生长季节地径4-5cm的柽柳日平均耗水量1.25L,整个生长季节耗水量为150.8L。
In growth season the daily consumption of water was 1.25L for a tree its stem diameter was 4-5cm ; in total growth season it spent 150.8L of water .
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结果表明,花后7~27d随灌水次数增多耗水量增大,水分利用率下降;
Results indicated that : in 7 ~ 27 d after anthesis , the more amount of irrigation water , the higher of water consumption , meanwhile , water use efficiency declined ;
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在相同的外界环境条件下,连翘林单位面积林地内灌木日蒸腾耗水量最大,为185.17t·hm-2,其次是黄荆林,黄栌林的最小,仅为25.88t·hm-2。
It was only 6.41 t · hm-2 . Under the identical condition of outside ambient , the diurnal water consumption of bush in one area unit Forsythia suspensa Vahl . forest was biggest . It was 185.17 t · hm-2 . And then it was Vitex negundo Linn .
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0-2.0m土层供水量在不同坡向差异很大,阳坡0-2.0m土层供水量占总耗水量的97%,阴坡仅占67%。
The soil water between 0-2.0m is different in different slope direction . It accounts for 97 % of total soil water consumption in sunny slope and only 67 % in shady slope .
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对0.5mm以上的粗颗粒泥沙的截沙率为100%,对0.5mm以下细颗粒泥沙的截沙率为90%,排沙耗水量仅占渠道引水量的2%~5%。
The desilting rate for coarse grain which diameter more than 0 5 mm is 100 percent , and for fines which grain diameter less than 0 5 mm is 90 percent , the water consumption is only 2-3 percent of channel diversion .
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60mm补充灌水条件下可使春小麦的耗水量从240mm增加到320mm左右,同时明显地使作物产量、水分利用率和灌水效率得以同步提高,作物对土壤储水的利用程度也相应增强。
In the case of 60 mm supplementary irrigation water , the water consumption of spring wheat increased from 240 mm to 320 mm or so . Meanwhile , crop water consumption , water use efficiency and irrigation efficiency were much improved synchronously .
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甘蔗制糖耗水量大。
Sugar production from cane can use large quantities of water .
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水稻优化灌溉田间耗水量研究
Research on the Water Consumption of Optimized Irrigation for Rice Field
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实际作物系数与耗水量密切相关。
The actual crop coefficient and water consumption are closely related .
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宁夏平原区耗水量研究
Water Resources Consumption in Plain Area of Ningxia Hui Autonomous Region
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利用地下水动态观测资料估算芦苇耗水量
Estimating Water Consumption of Reed with Observed Data of Groundwater Regime