在干旱条件下更为明显。
生长在土壤干旱条件下的幼苗，生物量明显低于正常条件下的幼苗。
The biomass of seedlings growing on the soil drought condition are obviously decreased.
对不同土壤干旱条件下刺槐幼苗水分生理和生长指标进行了初步研究。
The water physiology of locust seedling under conditions of different drought stress was tested.
在自然干旱条件下，梨树叶片气孔密度增大，而气孔相对开张度却变小。
Under natural drought condition, the density of stomata increased, but relative opening degree of stomata decreased.
结果说明荒漠干旱条件诱发的甘草气孔振荡可能主要是一种水被动过程。
These results suggested that stomatal oscillations induced by atmospheric drought stress and root resistance were mainly a type of hydropassive movement.
在土壤干旱条件下，小麦幼苗根系组织含水量降低，可溶蛋白质含量增加。
The changes of protein in wheat seedling roots were investigated under soil drought condition.
即使在干旱条件下，树木能经常提供食物和挣钱的办法，直到下一个生长季节。
Even during the arid seasons, trees can provide food and means of making money until the next growth season.
严重干旱条件下，旱地品种的胞外电阻进一步增大，而灌区品种的胞外电阻却低于对照。
In severe drought, extracellular resistance of dryland variety increased farther and that of irrigated area was lower than CK.
蚕豆在不同土壤干旱条件下的盆栽试验结果表明，蚕豆对土壤干旱胁迫有一定的适应能力。
The pot culture experiment of Vicia faba L. seeded in different soil drought shows that Vicia faba L. has certain adaptability .
采用盆栽试验的方法，研究了不同土壤干旱条件下渭北主要造林树种苗木根系活力的变化。
Under different conditions of soil moisture, seedling root vigor was studied for major tree species planted in the Weibei Loess Plateau by means of a pot experiment.
在干旱条件下，寻找遗传力高且与产量高度相关的第二类性状，构建选择指标，可提高耐旱选择效率。
Under these conditions, selection for secondary traits, such as anthesis silking interval and ear per plant, may increase the selection efficiency.
干旱条件下，超红短枝的光合速率、蒸腾速率、气孔导度、对水分的利用效率和羧化效率一直高于对照。
Under drought, photosynthetic rate, transpiration rate, stomata conduct, water use efficiency and carboxylic efficiency of the 'Super red Spur' was higher than control's.
结果表明，在正常和干旱条件下，外源多胺均能促进油松幼苗的生长，且干旱条件下的促进效果更为显著。
The results showed that the growth of seedlings was promoted by exogenous polyamines under normal water and drought conditions, and more notable under drought condition.
在巴西的其他地方，干旱条件也同样严重。根据法新社最新消息，干旱使得亚马逊河处于47年来的最低水位。
Elsewhere in Brazil, arid conditions have also left the Amazon River at its lowest level in 47 years, according to the Agence France-Press news service.
用盆栽控水的方法模拟土壤干旱条件，从水分生理和光合作用方面对两种驼绒藜属植物的抗旱生理进行研究。
Drought resistance and photosynthesis of two species of Ceratoides under the condition of artificial soil desiccation were studied based on some indexes of water and photosynthesis.
利用不同渗透势的培养液模拟土壤干旱条件，研究了玉米杂交种“中单2号”在此条件下的生长和生理的变化。
Growth and physiological responces of hybrid maize"Zhongdan 1" to osmotic stress were studied by using solution culture supplemented with different concentration of polyethylene-glycol.
首先，国际半干旱热带作物研究所绘制了珍珠谷子的基因区，这些谷子可控制干旱条件下的霜霉病抗性、谷物产量和产草量。
First, ICRISAT mapped the genomic regions of pearl millet that control downy mildew resistance, grain production and straw yield under drought conditions.
结果表明，梨树在自然干旱条件下，叶片厚度极显著地变薄，栅栏组织厚度、海绵组织厚度和表皮厚度也均显著或极显著地变薄。
The results indicated that under natural drought condition the thickness of the leaves significantly decreased, and so did the palisade tissue, spongy tissue, and the epidermis.
21世纪大部分时间都是干旱条件的状况迫使水资源的管理者开始计划当该地区庞大的水坝和水库系统没有足够的水去储存时的打算。
Drought conditions during most of the 21st century have forced water managers to plan for a day when the region's vast system of DAMS and reservoirs no longer have enough water to store.
干旱的条件只允许更小限度的生活方式，这些文化精心打造的成就就被抛弃了。
Dry conditions necessitated a more minimal way of life and the elaborate accomplishments of these cultures were abandoned.
罕见的高温和长期的干旱为火势的迅速蔓延提供了条件，但是有些火点是人为纵火或者经消防人员扑灭后又重新被点燃。
Exceptional heat and prolonged drought provided conditions for fires to spread quickly, but some were set deliberately, or relit after being extinguished by firefighters.
有价值和作物就是那些菠菜，可以抵抗枯萎病，又可以在不同气候条件下或干旱环境下生长。
The plants that proved to be worth the trip were those like wilt-resistant spinach that could be bred in different climates or withstand drought.
但林奇在一篇发表的论文中称他们已经找到了一个以前从未发现过的新品种，它在实验条件下，即使条件干旱，产量也能增加八倍。
But Lynch has published a paper that identified a previously unrecognized trait that improved yields eight times in experimental corn lines grown under drought conditions.
Halpert建议，由于“拉尼娜”能使气候变得干旱，等冬季一结束，公众的注意力很可能集中到东南方大部分的尤其干旱的气候条件上。
By the end of the winter, public attention is likely to focus on especially dry conditions across much of the southeast, Halpert suggested, because "La Nina is kind of a drought creator."
只有纳米布沙漠，据说是地球上最古老的沙漠，这儿处处保持至少半干旱的条件已有5500万到8000万年。
Just the Namib Desert, said to be the oldest on Earth, having maintained at least semi-arid conditions for anywhere between 55 and 80 million years.
这样它们就能在更炎热、更干旱的条件下存活。
This would allow them to thrive in hotter, drier conditions.
这样它们就能在更炎热、更干旱的条件下存活。
This would allow them to thrive in hotter, drier conditions.
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