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With the water stress, stoma open rate declined, and the stoma of Kidney bean was more susceptible than the Capsicum s.

干旱胁迫初期,超氧化物歧化酶呈上升趋势,但在土壤含水量极低的情况下则表现为下降趋势。

The National Farmers Federation has warned that a shortage of labour is slowing any recovery from the drought.

国家农民联合会提醒:劳动力短缺正在减慢干旱后的复苏。

Under the invariable air temperature and sunlight, the relatively high precipitation influences on vegetation mainly distribute in semi-arid and arid regions. The analysis on lag correlation coefficient indicates: vegetation activities are mostly influenced by precipitation and the influence has a delay of 20 days.

从华南经华东到华中地区,随着年积温的降低,绿度始期变化不大,绿度末期提前趋势明显,绿度期逐渐缩短;由华北、陕晋经内蒙至西北地区,因水分条件的变化,干旱指数逐渐增大,绿度始期逐渐推迟,绿度末期大致提前,植被绿度期逐渐缩短。

The farmer movement, drought and economic crisis of 1890s made the Laissez-faire policy meeting with greatness challenge So that it plunged in bankruptcy.

第二章研究了美国发展西部灌溉业政策向国家干预的转变历程。19世纪90年代的大干旱、经济危机和农场主运动使自由放任政策遭到了巨大挑战而陷入了破产境地。

When we start a landscape design of expressway from Xichang to Panzhihua , the first, Dodonaea viscosa, Lantana camara, Jatropha curcascim were chosen, which had such characteristics as adapting reginonal climate, corresponding with purpose of restoration, and self-renewal, whose maintenance and investment were lower.

在进行西攀高速公路绿化景观设计时,优选出适合当地气候、符合恢复目标、在路域附近的植物群落具有自我更新能力、养护成本较低的植物有车桑子、五色梅、小桐子,它们能够与环境协同进化;由外地引进的树种如新银合欢、台湾相思经造林实践检验有更广泛的适应性,作为先锋树种是适宜的;从光合特性测定值比较五色梅、棕榈、加杨、香樟、赤桉、丝兰、石榴水分利用效率较高,其个体生态特性表现出较强的耐干旱能力。

Spiraea pubescens and Lespedeza bicolor seedlings did not show recovery in leaf water potential after noon in the end of soil drying.

土壤干旱结束时,辽东栎和大叶白蜡的叶水势仍能够表现一定的降—升日变化,但是柔毛绣线菊和二色胡枝子没有午后的明显回升。

By limiting the horizontal distribution extent of plant root systems, the limited-areas methods can decrease spatial heterogeneity of soil water content and improve the accuracy of determination of soil water content.

植物在极端干旱条件下的生存能力表现为叶片枯黄、萎蔫、脱落和枝条从上到下逐渐干枯,但枝条基部和根系仍然存活,并保持较长时间的存活能力,在遇到适宜的降水后能继续萌发、生长。

Drought is the main limiting factor in the production of maize.

干旱是玉米生产的主要限制因素。

Especially in extremely arid Xinjiang, water resource is the limiting factor, which restricts social and economic development.

尤其是在极端干旱的新疆,水资源更加成为制约社会经济发展的限制因素。

Lixiviation and evaporation are main salinization processes of groundwater stored in loose sediments in inland arid basins.

溶滤和蒸发作用是内陆干旱盆地平原区松散沉积层地下水咸化的主要原因。

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