刺槐

On the basis of comprehensive analysis of environmental factors that influenced the growth of Robinia pseudoacacia ,seven factors were picked out and used for site index,equation construction by using ...

在综合分析影响刺槐生长发育的环境因子基础上，选择了7个立地因子，运用数量化理论Ⅰ方法，建立与立地指数的回归模型，经减少项目法筛选出包含5个因子的立地指数最佳预估方程，编制了数量立地指数得分表。

Under different irrigation methods, such as small-pipe-flow irrigation and flooding irrigation, a study was conducted on Robinia pseudocacia L.

在小管出流与大水漫灌不同灌溉方式下，研究刺槐Robinia pseudocaciaL。

Study on the Distribution of Root Density of Robinia pseudoacacia L.

刺槐和油松根系密度分布特征研究，刘秀萍；陈丽华；陈吉虎-66文免费论文库，大学生论文库

Soil labile organic matter and carbon management index are important parameter representing carbon cycle in soil ecosystem. Study on dynamics of them in the artificial Robinia in loess hilly area so as to understand the change and effect evaluation during process of ecological restoration is of great importance.

：土壤碳库管理指数是表征土壤碳变化的重要量化指标，研究黄土丘陵区人工刺槐林土壤活性有机碳与碳库管理指数的变化过程对认识该地区生态恢复过程中土壤质量的演变及其效果评价具有重要意义。

We draw the following conclusions:(1) among three artificial woodlands, Robinia pseudoacacia had the most microbial biomass and activity;(2) there were no significant effects of the different artificial woodlands on soil microbial diversity.

总之，3种人工林相比较，种植刺槐林与其它两种人工林相比更有利于提高微生物的量及代谢活性，微生物的功能多样性受不同树种的影响较小。

Robinia pseudoacacia, Caragana, Tamaricaceae of water-stable aggregates the content of most agricultural fields were 3.4,2.8 and 2.4 times.

刺槐、柠条、柽柳的水稳性团聚体的含量最多，分别是农田的3.4、2.8和2.4倍。

Even-aged stands of Robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation.

本研究选择阳坡和阴坡不同立地上年龄一致的刺槐林调查了根系分布特征。

Theδ~(13)C of Robinia pseudoacacia and Fraxinus chinesis were gone beyond the range of C_3 plants,and the averageδ~(13)C of 7 trees under 720μmol·mol~(-1)CO_2 were higher than the average of C_3 plants,which is 27.0‰.

针叶树的叶δ~(13)C值高于阔叶树，叶δ~(13)C值明显小于枝条和根系的，刺槐和白蜡的δ~(13)C值超出了全球C_3植物的δ~(13)C值的极限范围，720μmol·mol~(-1)CO_2所有树种的平均值远高于C_3植物的平均值27.0‰。

Grass that is adapted to Qinghai-Tibet Plateau are: caragana, sand sagebrush, lucerne, sweet clover, sudan grass, ryegrass, lyme grass, astragulus adsurgens, puccinellia tenuiflora, bromus inermis, agropyron elongatum, harmel, siberian wildrye , sainfoin, tall fescue , red fescue, cynodon dactylon, zoysia, clover, bluegrass, ryegrass etc..

适合我们青海高原种植的草有：柠条、沙蒿、紫花苜蓿、草木犀、苏丹草、黑麦草、披碱草、沙打旺、星星草、无芒雀麦、冰草、骆驼蓬、老芒麦、红豆草、高羊茅、紫羊茅、狗芽根、结缕草、三叶草、早熟禾、黑麦草等；适合种植的树木品种有：雪松、青海云杉、侧柏、祁连圆柏、速生杨、落叶杉、新疆杨、青海榆树、红柳、垂榆、刺槐、丁香、云杉、沙棘、枸杞等。

The main indictor examined were anatomical structrue ofleaves,movement and shedding of leaves,leaf water potential andwater saturation deficit,leaf succulence and specfic leaf area,rate of water loss,slope of water release curve.water parametersof PV curveψo、Vs、Va、Emax and TW/DW et al.

在人工气候室和温室条件下，控制不同土壤水势梯度，从苗木水分生理生态特点、耐旱生产力及存活能力等三个方面研究了1～3年生的油松、侧柏、栓皮栎、元宝枫、刺槐、白蜡、紫穗槐、沙棘和黄栌的耐旱特性及其机理。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。