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干旱

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Californian poppies are usually seen with a variety of wildflowers in drought-tolerant areas.

加利福尼亚的罂粟花通常表现不同的野花在干旱的地域。

In times of drought, if properly propitiated, she would spin light summer clouds out of cobwebs and morning dew, and send them off from the crest of the mountain, flake after flake, like flakes of carded cotton, to float in the air; until, dissolved by the heat of the sun, they would fall in gentle showers, causing the grass to spring, the fruits to ripen, and the corn to grow an inch an hour.

干旱时期,如果得到适当propitiated,她将分拆出的蜘蛛网和晨露光夏季云,并发送从山后片鳞片一样,普梳片,冠它们赶走,以漂浮在空气中,直到由太阳的热量解散,他们将温和下降阵雨,造成草到春季,成熟的水果,玉米种植英寸一个小时。

The American Indian is the soil, whether it be the regionof forest, plains, pueblos, or mesas.

不论是来源于森林,平原,高原或是干旱地带的美洲印地安人是有泥土气息的,他们融入山水。

After the drought treatment plant was rehydrated and root weight accumulated rapidly, indicating that root system was move sensitive to the change of soil environment than the aboveground pad.

抽穗期干旱胁迫对黍子的影响大于拔节期,这是由于拔节期胁迫后恢复水分供应,根系有较长的时间与空间进行补偿的结果。

In arid places like Arizona, the government reimburses residents 25 per cent of the costs of water recycling equipment.

在象亚利桑那这样的干旱地区,政府给居民补贴安装水回收利用设备费用的25%。

Exceptional heat and prolonged drought provided conditions for fires to spread quickly, but some were set deliberately, or relit after being extinguished by firefighters.

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。

Fields become less resistant to water stress and the water table is no longer resupplied by water filtering through, worsening the effects of droughts.

农田的抗水分胁迫能力下降,而且地下水位得不到渗透水的补充,加重了干旱的影响。

In some areas, very low-cost manual heads can be employed in roughs that require a minimum of supplemental watering to survive dry periods. This is particularly true when the roughs are planted to water-efficient turfgrasses.

一些地方的高草区应用了价格低廉的手动喷头,尤其是高草区种植的是节水型的草坪草时,因为高草区只要求最少的水分补给来度过干旱的季节。

Because of their low energy requirements, reptiles can survive food scarcities during drought.

由于它们极低的能量需求,使它们能在食物缺乏的干旱环境中生存下来。

More assimilation products were stored in sheathes than those in leaves. 2After rewaterring, net photosynthetic rate and evaporation rate came back quickly, especially D3 and D6 groups whose two photosynthetic indexes were higher than that of control group and then droped back to normal in serveral days.

同化产物在叶片中的含量高于茎鞘,但叶片中的氮素含量低于茎鞘。2恢复灌溉后,受到胁迫的处理组的光合速率、蒸腾速率都迅速升高,干旱3 d和6 d的处理组光合水平超过对照,然后又有所下降,水分利用效率因为蒸腾速率的骤然升高而降低,之后有所恢复。

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