羊草

In the experiment, we choose the area where the topography is smooth and the distribution of L. chinensis is relatively even.

实验选择羊草分布相对均匀、以羊草为单优种群且地势比较平坦的样地，样地大小为6m×6m，共10块。

Six, which was the most serious in salinization and alkalization, content of betaine arid activity of betaine aldehyde dehydrogenase of Leymus chinensis were the highest.

在盐碱化程度最重的6号样地羊草叶片中积累了较高含量的甜菜碱可能是羊草耐受盐碱胁迫的主要原因之一。

Nineteen alloplasmic common wheats whose origins of cytoplasm are Aegilops and nuclear donor F94-111 were taken as study materials, the flag leaf area, net photosynthetic rate of flag leaf were measured and relative Chl. content of flag leaf, and genetic effects of Aegilops cytoplasm were studied. Ae. Squarrosa, Ae.

以19种不同山羊草细胞质异质系与其核供体普通小麦F94-111为材料，测定其旗叶叶面积、净光合速率和叶绿素相对含量，研究不同山羊草细胞质对普通小麦光合性状的遗传效应。

Grandis had the higher caloric values that were 19.03 kJ/g and 19.28 kJ/g respectively in two communities. The species with the low value were Axyris amaranthoides and Chenopodium glaucum in L. chinensis community (15.04 kJ/g), and Salsola collina in S. grandis community (12.75 kJ/g).

群落水平上，羊草群落和大针茅群落热值最高的均是大针茅，分别为19.03和19.28 kJ/g，热值最小的植物种在羊草群落中为轴藜Axyris amaranthoides和灰绿藜Chenopodium glaucum，在大针茅群落中为猪毛菜Salsola collina。

Diurnal changes of photosynthetic rate and transpiration rate of Leymus chinensis were investigated by Li-6400 in saline sodic grassland,and relationship among the factors affected Pn and Tr was analysised.

采用Li-6400型光合作用测定系统对苏打盐碱化草地羊草光合速率和蒸腾速率的日变化进行测定，并对影响羊草光合和蒸腾速率的诸因子间相互关系进行了分析。

Leymus chinensis that feature typical phenotype, were selected by cultivating individuals using seeds collected from Da'an Sodic Land Experimental Station of China, and 30 strains were obtained by vegetative propagation.

利用大安碱地生态试验站采集的天然羊草种子进行单株培养筛选具有典型表型特征的羊草个体，通过无性繁殖建立了30个无性株系。

Drier the grassland, clearer this tendency. For example, in general, belowground production of Leymus chinensis grassland is higher than Stipa grandis grassland, but in 2000 it is smaller.

在本次的研究中发现，大针茅草原地下部生产力要高于羊草草原，在通常情况下羊草草原的地下部生产力都大于大针茅草原。

The result showed that the mineral oil content of soil was negatively correlated with microorganism contents,the mineral oil accumulation degree of stipa was more than that of Leymus chinensis and the Fe and Zn accumulation degree of Leymus.

结果表明：土壤矿物油含量与微生物含量成负相关；针茅对矿物油积累程度高于羊草；羊草对铁、锌的积累程度高于针茅等等。

It was investigated that the seasonal dynamics of bud bank, the effects of high sexual reproductive allocation on bud bank and daughter shoots, the changes of bud bank under different parent shoot density, C and N compound of apic ...更多 al rhizome bud response to bud bank seasonal dynamics, the effect of covering treatment during different growing phase on bud bank. The main results and conclusions were as follows:(1) Each bud type has distinct earliest timings to break. B1-1 begins to generate during late May, but B1-2, B2 and B3 occur during late June.

本文分别从羊草地下芽库的季节动态、高有性生殖分配对芽库的影响、不同基株密度条件下芽库及所生成子株的数量变化、根茎顶芽碳氮化合物在克隆生长中的重要作用以及不同阶段遮光处理对芽库数量的影响方面对羊草进行研究，得出的主要结果和结论如下：(1)每种类型芽都有不同的起始产生时间。

Forages of modernized diary farm in Zhangwu county were corn silage,Chinese wildrye and alfalfa. In Hailin farm, main forages were corn silage and Chinese wildrye,and there was alfalfa once in a while. All cow households fed corn stover as main forages.

彰武现代化奶牛场饲喂的粗料有玉米青贮、羊草和苜蓿；海林农场主要饲喂玉米青贮和羊草，偶尔有苜蓿的供应；所有养殖户都以玉米秸秆为主要粗饲料。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。