抗旱

Besides, from the water and soil loss monthly dynamic data, wecan see the Sabaigrass had the hearty growth before the rainy season to protect thewater and soil and raise the ability of fighting a drought.

此外，从各处理水土流失月季变化动态可知，龙须草在雨季来临前得到了旺盛生长，形成了厚密的草垫，雨季时能有效防治水土流失，也可涵养较多的水分，提高抗旱能力。

These studies aim to provide the theory base of molecular mechanism for drought resistance breeding in Saccharum arundinaceum Retz.

这些研究为斑茅抗旱的分子机制提供初步的理论基础。

Drought and salination are the key factor of environmental crisis. So the research on the halo-tolerant gene engineering will play extreme important function for the alteration to the salination of soil.

盐碱化是导致我国环境危机的重要因素之一，利用基因工程培育抗旱耐盐品种已成为解决我国盐碱化日益严重问题的一条重要途径。

But SO42- and Cl- contents of Salsola implicata seedlings are 1.5 times and 2 times more than that of soil seperatively.Mg2+ and Ca2+contents of it are respectively 20 times and 5 times more than that of soil.

亚麻叶碱蓬和密枝猪毛菜叶片自然饱和亏和肉质化程度变化幅度较大，显示较强的抗旱性；盐节木新生同化枝和盐爪爪新生叶自然饱和亏和肉质化程度变幅小。

The Artemisia species examined are well adapted to dry areas through both anatomical and ecological strategies explaining their important role as the pioneer indigenous plants in the seral succession of Loess hills.

这些特征均能说明这些蒿类植物具有很好的抗旱适应性，作为环境改造的先锋物种，它们在当地的自然植被恢复演替中起着积极的正向推动作用。

Interspecific hybrids were obtained between a trifluralin-resistant form of the wild species Setaria viridis and the trifluralin-susceptible cultivated foxtail millet.

谷子是较重要的粮食作物，它的抗旱、耐瘠、适应性广的特点及在水肥地高产、贫瘠地稳产的特性，对于干旱地区生态农业建设具有重要意义。

The results showed that the treatment with spermidine promoted the activities greatly of SOD、POD and photosynthetic intensity but reduced the stomatal resistance to some extent ...

结果表明，亚精胺处理大大提高玉米幼苗中SOD、POD的活性以及光合强度，适当减小气孔阻力，故亚精胺可以提高玉米幼苗的抗旱性。

We studied the anatomical structures related to drought resistance of the leaves of 17 varieties of Medicago sativa L. based on 12 xeromorphic indexes, did the single factor multiple comparison between two varieties in order to conclude the sensitiveness sequence of the 12 indexes to the drought, and the clustering analysis based on 3 most sensitive indexes including the leaf thickness, the main vein thickness, the palisade tissue thickness.

对17个紫花苜蓿品种叶片进行解剖，选取12项抗旱指标，采用单因素分析方法对各品种进行两两多重比较，得到各指标的灵敏度，最后以叶片厚度、中脉厚度和栅栏组织厚度3个指标为主进行聚类分析。

The anatomical structure observation showed that the characteristics of the adaptation xeromorphic structure of eight species in dry hot valley were: deep main roots, developed lateral roots, thick leaves, well developed palisade tissue and degenerated spongy tissue, well developed water storing tissue, isolateral leaf were important characteristics of xeromorphic structure.

对元谋干热河谷引种的8种外来树种进行了抗旱性分析，发现水分利用效率从高到低的顺序依次是：窿缘桉、赤桉、柠檬桉、绢毛相思、肯氏相思、厚荚相思、大叶相思、马占相思。

The paper set a scientific indexs system that can be used in evaluating and analysing the drought resistance of dryland wheat.

通过18 a对旱地小麦品种筛选鉴定方法的研究与实践，参考国内外学者的经验，提出在区域化试验鉴定的基础上，采用田间直接鉴定与干旱棚鉴定、实验室鉴定相结合的抗旱性鉴定方法。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷