查询词典 fertile soil

The interaction between soil heterogeneity and shrubs induced the autogenic development of "fertile islands" and the increasing spread of shrubs in the grassland ecosystems.

这种&肥岛&的形成和灌木的扩散之间的反馈作用能够改变该系统中的植被组成、结构和土壤养分分布格局，从而改变该生态系统的结构和功能。

The induced rate of rooting with naphthaleneacetic acid was higher than indolebutyric acid. The medium supplemented with 50 mg/l ascorbic acid and 0.5 mg/l NAA could improve the growth and development of root system. 57.5% of shoots could develop to the well-rooted plantlets and develop into healthy and fertile plants when planted in soil.

将芽体分割进行发根试验的结果显示，naphthaleneacetic acid诱导根系的效果优於indolebutyric acid，添加50 mg/l抗坏血酸和0.5 mg/l NAA之培养基则有更好的效果，约有57.5%的芽体可再生成具有旺盛根系的植株，经移植至土壤中也可生长健旺及正常开花。

In order to study the variations of fertile island during the process of desertification, the authors investigated and analyzed the soil chemical characteristics beneath and around the tamarisk shrub, the tamarisk δ^13C in saline meadow, tamarisk shrubland and sandy desert landscape in northern Taklamakan Desert, northwestern China.

为探索荒漠化过程中肥岛效应的变化规律，选择盐化草甸、灌丛及沙漠3种景观类型，测定了柽柳灌丛下和灌丛间空地土壤有机碳、全氮、水分含量以及柽柳营养枝δ^13C等指标，并用土壤养分的富集系数来表征肥岛效应的强弱。

The research results of the seed dormancy showed, the seeds of Valeriana amurensis reached highest germination rate (82%) at the temperature treatment in alteration of 10℃ and 25℃, and soil was fertile sandy.

对黑水缬草种子休眠生理进行研究的结果显示：以沙质壤土为基质，配合(10-25-10)℃的变温条件，黑水缬草的发芽率达到最大，为82.1%；黑水缬草种子浸泡液、粗提液以及乙醚浸提液均对黑水缬草的发芽率有抑制作用。

Its climate was represented to him as more temperate, and its soil more fertile.

其气候派给他更多的温带地区，其土壤更加肥沃。

Its climate was represented to him as more temperate, and its soil more fertile.

其气候派给他更多的温带，其土壤更肥沃。

They feel that this makes the soil in their fields richer in minerals and so more fertile.

他们认 为这样会使地里的土壤更富含矿物质，因而也会更加肥沃 50。

Soil'.'' more fertile.

土壤'。''更加肥沃。

Chuan territory Xiapian better conditions of water resources, relatively flat land, the soil more fertile.

境内川下片有较好的水资源条件，土地较平坦，土壤较肥沃。

When it decays, the plant litter makes the soil more fertile.

当这些植物垃圾腐烂以后，就使土壤肥沃。

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。