Abandoned land是什么意思

用法例句

Studies on diversity and structure of plant communities in early succession stage in abandoned land at different landforms on the Loess Plateau;

黄土高原弃耕地不同地形下植物群落演替初期的群落结构及多样性研究

Succession disciplinarian of vegetation in abandoned land in agricultural cross bedding on south edge of Otindag sandy land;

浑善达克沙地南缘农牧交错带弃耕地植被的演替规律

L is taken as a plant available to live in abandoned land in arid region.

黄花蒿可作为干旱地区收复弃耕地的先锋植物。

Growth, morphology and biomass distribution of \%Pennisetum centrasiaticum\% clones in different microhabitats of abandoned farmland in Horqin Sandy Land of Inner Mongolia were compared.

通过对内蒙古科尔沁沙地农田弃耕地上白草的观测与取样分析 ,发现生长在不同微生境下的白草无性系表现出显著的形态可塑性和不同的生物量分配模式 ,主要表现在 :1沿着白草总生物量减少的梯度 ,其根冠比呈增加的趋势 ,后者与土壤容重有显著的相关性 ;2白草地下生物量的分布与土壤水分状况相关联 ,根茎长度的分布格局与地下生物量分布格局存在高度的一致性 ;3单位长度根茎上的节数 (或平均节间长度 )以及不定芽数分别与土壤有机质含量和水分含量存在显著相关性。

Describe about the vegetation community features in different abandoned stage of abandoned farmland through fields investigation.

通过研究主要得到以下结论: (1)南水北调中线水源区弃耕地草本植被在弃耕初期发生着剧烈的恢复演替,演替过程可明显的分为以下几个阶段:荠菜+铁苋菜+小白酒草群落(弃耕1 年);小白酒草+灰绿藜群落(弃耕2 年);艾蒿+小白酒草+猪毛蒿群落(弃耕3~6 年);白茅+牛尾蒿+野艾蒿+狗尾草群落(弃耕7~12 年+)。

The impact of different pioneer crops on soil physical and chemical properties was studied on abandoned farmland of alluvial fan-fringe area in the Manas River valley.

研究玛河流域扇缘带不同先锋作物对弃耕地植被恢复过程的土壤理化性质的影响,找出适合研究区域弃耕地的先锋作物。

Changes of soil physical and chemical properties during vegetation restoration on abandoned cropland

弃耕地植被恢复过程中土壤理化性质演变趋势研究

Evolution of soil enzyme activities and physical﹠chemical characteristics during vegetation restoration on abandoned cropland

弃耕地植被恢复过程中土壤酶活性与理化特性演变趋势研究

The project of nature grassland protection and conservation of Department of Agriculture of China was conducted from 2000~2005 in Helin County of NeiMongol,where is the eastern part of loess plateau,originally it was belonged to typical grassland type,but right now,it has been changed into abandoned cropland by humanbeing activities.

通过对中国西北半干旱区弃耕地恢复技术的研究,筛选出适宜于西北半干旱区弃耕地植被恢复应用的优良草种,补播时间及补播机具,总结出西北弃耕地植被恢复的关键技术。

The water-saline dynamic analysis of the discarded field in Chaidamu basin;

柴达木盆地弃耕地水盐动态分析

The restoration and reconstitution experiments in the discarded field in Chaidamu Basin;

柴达木盆地弃耕地恢复与重建试验

Effects of the introduction of legume species on soil nutrients and microbial biomass of abandoned-fields;

添加豆科植物对弃耕地土壤养分和微生物量的影响

Effects of Introduced Legume Species on Microbial Biomass and Nutrients of Abandoned-fields;

添加豆科植物对弃耕地土壤理化性状和微生物量的影响

We selected the abandoned plowlands on Loess Plateau which had been abandoned for 2 years,3 years,4 years,5 years,7 years,9 years,12 years and 20 years as sampling sites and natural mesa as the Check;then investigated their plant species,species numbers,coverage,frequency,and aboveground biomass,also measured the soil moisture in the depth of 0~100 cm.

选择黄土高原半干旱偏旱区2a、3a、4a、5a、7a、9a、12a、20a的弃耕台地和天然台地,调查各弃耕地和天然台地的植物种类、数量、盖度、频度和地上生物量,定期采样分析各样地0~100cm土层土壤水分。

Dynamics of Soil Nutrients during Natural Recovery Process of Abandoned Farmland in Huailai Basin,Hebei Province.

怀来盆地弃耕地自然恢复过程中土壤养分动态

Study on the Vegetation of Ole-fields Naturally Restore in Southern Junggar Basin;

准噶尔盆地南缘弃耕地植被自然恢复的研究

Interspecific Relationships among the Herbage Species of Abandoned Farmlands alongside Jinshui River in the Qinling Mountains

秦岭金水河岸弃耕地草本植物种间关系

Abandoned Farmland Soil Seed Bank and Its Relationship with the Aboveground Vegetation in the Eastern Margin of the Qinghai-Tibet Plateau;

青藏高原东缘弃耕地的土壤种子库及其与地上植被关系的研究

Effects of Introduced Legume Species on Microbial Biomass and Nutrients of Abandoned-fields;

添加豆科植物对弃耕地土壤理化性状和微生物量的影响

Abandoned Farmland Vegetation Restoration and Reconstruction on Alluvial Fan-Fringe Zone of Manas River in Xinjiang;

新疆玛纳斯河流域扇缘带弃耕地植被恢复与重建

Effects on Functional Diversity of Soil Microbial Communities of Abandoned-field by Sowing Legume Species

添加豆科植物对弃耕地土壤微生物多样性的影响

Dynamic Change of Microbial Carbon in the Process of Spontaneous Recovery of the Abandonment of Farmland in Southeast Hubei

鄂东南弃耕地自然恢复过程中微生物碳动态变化

Changes of soil physical and chemical properties during vegetation restoration on abandoned cropland

弃耕地植被恢复过程中土壤理化性质演变趋势研究

Evolution of soil enzyme activities and physical﹠chemical characteristics during vegetation restoration on abandoned cropland

弃耕地植被恢复过程中土壤酶活性与理化特性演变趋势研究

Study on Abandoned Farmland Vegetation Community Characteristics and Soil Erosion and None-Point Source Pollution at Water Catchment Region of Middle Route for Soute-to-North Water Diversion Project;

南水北调中线水源区弃耕地植被群落学特征及土壤侵蚀和非点源污染研究

the conversion of waste land into land suitable for use of habitation or cultivation.

把废弃的土地改变为适合居住或耕作。

Ecological Economics Analysis about Abandoning Farmland and Countermeasures;

农地弃耕抛荒的生态经济学分析及其对策

Effects of soil factors on vegetation community structure in an abandoned subtropical paddy wetland

亚热带稻田弃耕湿地土壤因子对植物群落结构的影响

The Chinese government will make efforts to speed up the reclamation of wasteland suitable for farming as well as land discarded by factories and mines.

中国政府将在加强对现有耕地保护的同时,加快宜农荒地的开发和工矿废弃地的复垦.

A field located near a farmhouse.

耕地农舍周围的耕地

Land fit to be cultivated.

可耕地适于耕种的土地

From 1987 to 1995 a total of about 3.5 million hectares of land were reclaimed, among which 600,000 hectares had been waste land.

从1987年到1995年，全国累计开发复垦耕地约350万公顷，其中废弃土地约60万公顷。