查询词典 bare land

In the dry land and garden plot, the soil eroding amount of terraced fields is only 1/3 of that be ploughed directly along the slope. It is difficult that assart along the contour in the dry land and garden plot, after the first 1~2 years, the soil eroding amount will increase at double. From the soil and water conservation point of view, the mode that integrates arbor, shrub and grass in woodland is the best, the mode that plants grass in bare land is the second.

等高作梯的旱耕地和园地土壤侵蚀量仅为顺坡直耕的早耕地和园地顺坡的1/3左右；早耕地、园地等高开垦的强度大，开垦之后1~2年土壤侵蚀量成倍增长；从水土保持角度看，林地乔、灌、草结合模式最好，裸地植草模式次之。

The annual surface runoff quantities on the land of cryptomeria,water fir andblack locust stands are smaller than that of bare land by 53.3%,43.9% and 33.5%,respectively.

各地段土壤抗冲性的垂直空间变化规律，可归纳为草被生长影响型，树木生长影响型和多因子综合影响型三种类型。

In this paper, the Basin of Northwest Hebei Mountains as the study area, the combination of the remote sensing and GIS technologies will be applied, Firstly the objects of evaluation include forest land、. meadow 、 a part of orchard、 uncultured grass land、 sandlot、 bare land and the margin suitable and unsuitable farming land, the unit of evaluation is 30m*30m grid. Secondly, on the base of probling and building the spatial and attributive database of suitability evaluation through models such as digital elevation and inverse distance weighed interpolation, it establishs the factor system of suitability evaluation of forest land.

本论文以冀西北间山盆地区为研究区域，将地理信息系统与遥感技术相结合，确定了冀西北间山盆地区现有林地、部分园地、牧草地、部分未利用地以及边际适宜和不适宜的耕地为评价对象，以30*30栅格为评价单元，在借助数字高程、反距离加权插值等模型探讨并建立林地适宜性评价因子空间及属性数据库的基础上，对研究区的林地适宜性评价建立了该研究区评价指标体系。

Although the vertical movement of P is minimal in this soil type,the available P decreased over time in the bare land and grassland.

尽管磷在黑土中的垂直移动是微小的，但土壤中的有效磷含量在裸地和草地中随时间的延长而降低。

Different age groups of Gloydius shedaoensis have different distribution area that the juvenile and the subadult mainly distribute in the shrub and meadow,the adult mainly distributes in the forest,and aged adult mainly in bare land and rock.

不同年龄组的蛇岛蝮分布范围不同，幼体和亚成体主要分布在灌丛和草甸中，成体主要分布在树林中，老成体主要分布在裸地上。

Also all of them were better than bare land.The average soil water-holding capacity of different vegetation types was 157.69m~3/hm~2,which was 2.59 times of that of bare land(60.97m~3/hm~2).The descending rule of water-holding capacity was that:bamboo＞Tea＞Amorpha fruticosa＞Golden buckwheat＞Chestnut of return farmland＞mixed forest＞pine forest＞chinese chestnut Intercropping.

不同植被类型土壤平均持水能力为157.69m~3/hm~2，是裸地持水能力(60.97m~3/hm~2)的2.59倍；持水能力由大到小依次为竹林＞茶林＞紫穗槐＞金荞麦＞板栗退耕＞针阔混交林＞马尾松林＞板栗间种。

Concentration and distribution characteristics of PAHs in soil between a Cinnamomum camphora stand and a bare land were studied,and PAHs concentration levels in two kinds of soil were evaluated.

研究樟树林地和无林地土壤中PAHs的含量和分布特征，并对两种土地类型土壤中的PAHs含量水平进行评价。

It indicates that Salix spp., Caragana jubata and Dasiphora fruticosa show relatively higher adaptability during community succession from almost bare land.

柳、鬼箭锦鸡儿和金露梅均在群落几乎从裸地开始的演替过程中，对贫瘠土壤及强光照条件表现出较强的适应能力。

From Imperata cylindrical community to bare land, main soil nutrients ,organic matter ,total N and available N obviously declined.

从白茅群落到光板地，土壤主要养分有机质、全氮、碱解氮均有明显下降。

It is also said to specifically rule over fallow or bare land, barren fields, land that is bushy and thorny, or where there are dunghills, compost heaps or soil prepared with manure.

也有人说是特指休耕地或荒地，贫瘠的田野，灌木与荆棘丛生的土地，或者粪肥堆，混合肥料堆或者施过肥的土壤。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。