水分利用效率

不灌水和灌水60mm处理的土地当量比（LER）分别为1.29和1.33，群体水分利用效率不灌水和灌水60mm处理比玉米单作分别提高了24.86%和19.24%，比豌豆单作分别提高了14.58%和37.25%。

Land equivalent ratio ( LER ) were 1.29 and 1.33 of non-irrigating and irrigating 60 mm respectively , WUE of intercropping increased 24.86 % and 19.24 % compared with maize monoculture , and increased 14.58 % and 37.25 % compared with pea monoculture .

亏缺灌溉及叶面喷锌对番茄产量品质及水分利用效率的影响

Effects of deficit irrigation and Zn on yield , quality and WUE of tomato

黑麦草杂交F2代光合及水分利用效率研究

Study on Photosynthesis and Water Use Efficiency in F_2 Hybrids of Ryegrass

麦田CO2通量密度和水分利用效率研究

Research on the co_2 flux density and the water use efficiency of wheat canopy

CO2浓度升高对湿地松针叶蒸腾特性和水分利用效率的影响

Responses of Transpiration Characteristics and Water Use Efficiency of Pinus Elliottii Leaf to Elevated CO_2 Concentration

不同高度层冬小麦叶片水分利用效率对CO2浓度变化的响应

Responses of Leaf-level Water Use Efficiency of Winter Wheat to CO_2 Enrichment in Different Canopy Layers

大气CO2增加促使大豆水分利用效率提高，在不同生育期提高幅度不同，表明为分枝期、开花期较大，结荚期、鼓粒期较小。

The water use efficiency increased significantly .

水分利用效率的高低主要决定于叶片光合速率的大小，同时受到细胞间隙CO2浓度以及气孔导度的影响。

Water use efficiency is mainly dependent on leaf photosynthetic rate , as well as CO2 concentration in cell clearance and stomatal conduction .

水分利用效率日变化格局有所不同，且随CO2浓度增加而增大。

The daily patterns of water use efficiency are different and water use efficiency enhances with carbon dioxide concentration increasing .

因此，在实际的生产实践中，推荐采用水分利用效率、净效益较高的FⅠ处理。

Therefore , in actual production practice , we encourage the F ⅰ treatment , which has higher WUE and more net benefits .

结果表明，野生一粒小麦在叶片维管束解剖结构、水分利用效率及光合速率对光、温和CO2的反应方面类似于C4植物。

The results indicated that the wilddiploid T.boeoticum was similar to C_4 plants in leaf anatomy and in the response to light , temperature , CO_2 concentration and water .

净光合速率、气孔导度和水分利用效率降低，而胞间CO2浓度和蒸腾速率升高。

Net photosynthetic rate , stomatal conductance and water use efficiency reduced and intercellular CO2 concentration and transpiration rate increased under phosphorus stress .

结果如下：CO2加富处理的吉利凤梨，叶片净光合速率、水分利用效率在整个试验期间CO2加富处理组均比对照组高；

The results as follows , the net photosynthetic rate and water use efficiency of CO_2 concentration enrichment were higher than that of ambient CO_2 concentration .

表明控制性分根交替滴灌（ADI）能在不牺牲作物光合产物积累的前提下提高玉米的水分利用效率。

It suggested that ADI could improve the water use efficiency without sacrificing the accumulation of biomass .

CO2浓度倍增时，施用氮肥处理的冠层水分利用效率（WUE）比不施氮肥处理高。

Doubled CO2 enhances more canopy water use efficiency ( WUE ) in N added treatment than in no N added treatment .

通过三因子正交旋转组合设计综合分析试验资料，分别建立了经济产量（Y）及水分利用效率（WUE）的数学模型。

Two mathematical models were established based on the data from three-factor quadratic rotational regression design experiment .

10.不同量秸秆覆盖量提高了春玉米的的水分利用效率（WUE）。

Different rates of straw mulch to improve the spring maize water use efficiency ( WUE ) .

渗灌条件下冬小麦产量比喷灌提高12%，农田水分利用效率提高4.49kg/（hm2·mm）。

Finally yield increased by 12 percent and the water use efficiency was more 4.49 kg / ( hm 2 · mm ) than that under sprinkling irrigation .

显著提高单叶净光合速率、蒸腾速率、气孔导度、水分利用效率；显著提高生姜叶片和根中N、P、K、Ca、Cu和Zn含量。

AM fungi also increased chlorophyll content in the leaf , photosynthetic rate , transpiration rate , stomatal conductance , water using efficiency and the contents of N , P , K , Ca , Cu and Zn .

满足作物水分利用效率最高时所需的补充灌水量为100mm；

And the supplementary irrigation wa - ter to satisfy the highest crop water use efficiency was 100 mm ;

免耕覆盖试验结果表明，免耕覆盖玉米秸秆4500kg/hm~2以上的处理比传统耕作玉米增产22.15%～25.65%，土壤水分利用效率提高2.9625kg/hm~2·mm。

Under the condition of no-tillage with more than 4500kg / hm2 of maize stalk mulched , increments of maize yields was 22.15 % - 25.65 % , water use efficiency of soil moisture increased 2.9625kg / hm2 · mm .

根据田间实测资料分析了小麦水分利用效率的综合指数&P／E。水分利用效率的变化是光合和蒸腾综合作用的结果。

According to the data measured in field , a composite index of water use effciency ( WUE ) - P / E was analysed in wheat . The variation of WUE was resulted from the joint effects of photosynthesis and transpiration .

在各灌水处理中，T4处理产量和水分利用效率最高，分别达41521.5kg/hm2和54.46kg/（mm.hm2）；

Among different irrigation treatments , the highest yield and WUE of T4 could arrived 41 521.5 kg / ha and 54.46 kg / ( mm · ha ) .

海南红豆（Ormosiapinnata）夏季叶片气体交换、气孔导度和水分利用效率的日变化

Daily variation of gas exchange , stomatal conductance and water use efficiency in summer leaves of ormosia pinnata

发展节水农业，提高水分利用效率（WUE），是保证干旱半干旱地区农业可持续发展的途径。

It has become an important way to develop water-saving agriculture and increase Water Use Efficiency ( WUE ) for sustainable development of agriculture in arid and semi-arid area .

APRI和FPRI的灌溉水量比CI节省50%，水分利用效率提高。

Water saving of 50 % was achieved in APRI and FPRI , and water use efficiency ( WUE ) was increased .

结果证明，谷子的水分利用效率较高，在试验条件下达到8.90g/（kg·盆），比各种主要粮食作物高18.6%～106.9%。

The results showed that the millet had high water use efficiency . Under the conditon of test it was 8.90 g / ( kg · pot ), and was increased by 18.6 % ~ 106.9 % compared with other major grain crops .

水分利用效率以平膜穴播处理最高，比对照提高14.2kg/mm·hm-2。

The treatment of hole seeding under film was the highest in WUE , which increased by 14.2 kg / mm · hm-2 than CK .

作为指示水分利用效率的可靠指标，叶片稳定碳同位素组成（δ13C值）可以用来探讨植物适应干旱环境的强弱程度。

As a reliable indicator of long-term water use efficiency in C3 plants , leaf carbon isotope ratios were often used to evaluate the adaptive degree of plants to arid environments .

由于〔CO2〕增加引起蒸腾速率的下降和净光合速率（Pn）的提高，因此，生长在高于环境〔CO2〕下的植物常常能够保持较高的水分利用效率（WUE）。

It was found that the decreases in transpiration and increases in net photosynthesis ( Pn ), resulted in plants in high environment , often to maintain higher water use efficiencies ( WUE ) than in the normal environment .