查询词典 robinia

So Robinia pseudoacacia was planted in semi-cloudy and gully and valley slope with better water condition, and effect foster measure was made.

因此刺槐造林应选栽在半阴坡、沟谷等水分条件较好的生境，并要施加得当的抚育措施。3。

The ecological water requirement of Robinia perseudoacacia can be expressed by the evapotranspiration of trees in growing season. It can be influenced by weather, vegetation, and soil moisture.

刺槐林的生态需水量可以理解为该林地的蒸散耗水量，受大气环境、植被生长状况与生长特性、土壤水分条件的综合影响。

Populus×xiaozhuanica and Robinia pseudoacacia share a complementary and harmonious relation in the absorption of N and P nutrient elements.

从养分吸收特性的角度来看，小钻杨与刺槐之间存在N、P养分互补协调的关系。

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。

Changes of vitality readings areclosely related with drought resistance of different family of Robinia pseudoacacia L..

土壤干旱胁迫过程中苗木活力与土壤含水量二者的关系可用非线性方程拟和(y＝a+bx+clnx，y：苗木活力，X：土壤含水量/％)。

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。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。