The areas that are now desert were, like all arid regions, very susceptible to cycles of higher and lower levels of rainfall, resulting in major, sudden changes in distributions of plants and animals.
那片现在是沙漠的地区和所有干旱地区一样，对降雨量相对更大或更小的周期极为敏感，因此那里的动植物分布发生了巨大且迅速的变化。
These plants will not root in such arid soil.
这种植物在这种贫瘠的土地上不会生根。
In the arid area, the storage water in deep layers of soil can adjust water utilization of plants, but artificial alfalfa can absorb lots of water from deep layers and lead to soil desiccation.
在干旱地区，土壤深层储水可以调节植物用水，但是人工苜蓿从土壤深层吸收大量水分导致土壤干燥化的发生。
These plants will not root in such arid soil .
这种植物在这种贫瘠的土地上不会生根。
On moisture gradient, the patience of bunchgrass stipa to water stress is more strong than rhizomatous grass, which shows stipa plants more adapt to develop in the arid and semi arid areas.
通过水分梯度实验发现丛生禾草针茅对水分胁迫的耐性高于根茎型禾草羊草，表明了针茅类植物对干旱半干旱区的高度适应性。
Assimilation organizations as representatives of the photosynthetic structure enhanced plants to adapt to arid environment, the structure of adaptive change.
以同化组织为代表的光合结构的增强，是植物适应干旱环境的结构适应性变化。
These plants will not root in such arid soil.
这些植物不会在这样干燥的土壤里扎根生长的。
Water is the main restricting factor that influences the growth of plants in arid area.
在干旱地区水分是影响植物生长的限制因子。
Among C4 plants, however, special leaf anatomy and a unique biochemical pathway enable the plant to thrive in arid conditions.
然而，在C4植物中，特殊的叶片解剖结构和独特的生化途经使得C4植物可以在干旱的条件下茁壮成长。
Analyzing of lithological characteristic and fossil plants indicates that the Early-Middle Jurrassic palaeoclimate changed gradually from the hot humid to arid.
在分析岩组特征和植物所指示的气候基础上，推测早-中侏罗世气候的变化趋势是，由炎热潮湿逐渐变为炎热干旱。
The open-sea plants had already left behind the increasingly arid seafloor, where a prodigious number of animals were still swarming: zoophytes, articulates, mollusks, and fish.
海产植物虽然已经放弃了这些变为贫瘠的土地，但数量很多的动物、植虫动物、节肢动物、软体动物和鱼类仍然到处皆是。
Due to the extremely arid climate and high salt context in soil and underground water, the vegetation is very sparse and only 12 species of plants were found in the center of Tarim basin.
塔克拉玛干沙漠公路沿线气候恶劣、土壤和浅层地下水的含盐量高，沿线天然植被稀少，沙漠腹地仅发现12种能忍耐干旱和抗盐的植物种。
Cold drought-tolerant native trees and desert plants are selected to adapt to local climate and improve the residential environment in arid areas.
选择耐寒耐旱的乡土树种和荒漠植物来适应气候并改善干旱区城市居住区环境。
Plants need water - even the most arid-climate-loving plants need it from time to time.
植物需要水-即使是最干旱气候爱好植物需要不时它。
In the arid soil, cotton plants stunt and absorb sm-all amount of nutrients, so they develop unheathily.
土壤干旱，棉花植株矮小，吸收养分量少，发育不良，降低产量和品质；
Nitrogen is the most important nutrients that affects the growth, development and yield of plants in semi-arid areas.
氮是半干旱地区对植物生长发育和产量的限制影响最大的营养物质。
Nitrogen is the most important nutrients that affects the growth, development and yield of plants in semi-arid areas.
氮是半干旱地区对植物生长发育和产量的限制影响最大的营养物质。
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