退耕撂荒地,Abandoned arable land
1)Abandoned arable land退耕撂荒地
1.In order to understand dynamics of soil water-stable aggregates along chronosequences and relationship with soil physico-chemical properties on abandoned arable land in eroded hilly loess plateau,11 arable old land with different ages after being abandoned in Zhifanggou catchment were studied systematically through the approach of substituting the temporal serial with spatial serial.研究了侵蚀环境退耕撂荒地生态恢复过程中水稳性团聚体的变化规律及其与土壤养分状况及土壤微生物量的关系,结果表明,侵蚀环境退耕撂荒地土壤水稳性团聚体含量迅速提高,在退耕撂荒的第一个,水稳性团聚体增大约253。
2.In order to understand dynamics of soil water-stable aggregates along chronosequences and relationship with soil physico-chemical properties on abandoned arable land in Eroded Hilly Loess Plateau,11 arable old land with different ages after being abandoned in Zhifanggou Catchment were studied systematically through the approach of substituting the temporal serial with spatial seri- al.本文研究了侵蚀环境退耕撂荒地生态恢复过程中水稳性团聚体的变化规律及其与土壤养分状况及土壤微生物量的关系,结果表明,侵蚀环境退耕撂荒地土壤水稳性团聚体含量迅速提高,在退耕撂荒的第一个,水稳性团聚体增大约253。
英文短句/例句
1.Dynamics of Soil Microbial Biomass on the Abandoned Cropland in Loess Hilly Area黄土丘陵区退耕撂荒地土壤微生物量演变过程
2.A research on the sustainable or unsustainable judgment system of cultivated land abandoning;耕地撂荒可否持续的评判指标体系研究
3.The Discussion of the Loss of Young and Middle-aged Rural Labor Force and the Abandoned Arable Land农村青壮年劳动力流失与耕地撂荒问题探讨
4.To Probe into the Problems of Arable Land Wasting andits Quality Declining in Rural Areas at Present;对当前农村耕地撂荒和耕地质量下降问题的探讨
5.The Influence Factors of Big Area Tilth Waste in Hetian during the Republic of China民国时期和田地区耕地大面积撂荒及其影响因素研究
6.Analysis of Cultivated Land Abandoning in Developed Areas of Non-agricultural Economy in Zhejiang Province;浙江非农经济发达地区耕地撂荒问题分析——以余姚市低塘街道为例
7.Extent Description and Index System of Sustainability Judgment and its Pattern of Cultivated Land Abandoning;耕地撂荒程度描述、可持续性评判指标体系及其模式
8.Study on the Arable Land Abandoning and the Problems of Left-behind Crowd Caused by the Drain of Young and Middle-aged Labor in Rural Areas农村青壮年劳动力流失引起的耕地撂荒及留守人群问题探究
9.Study on Succession of Plant Communities on Abandoned Lands in the Northwest Shanxi, China;晋北低中山撂荒地植物群落演替研究
10.The project also involves effort to return farmland to grasslands and to lakes and afforest barren hills and wasteland suitable to afforestation.退耕还林的范畴还包括退耕地还林、还草、还湖和相应的宜林荒山荒地造林。
11.In 2001, the cultivated land conversion for afforestation is 399000 hectares and the afforestation in the waste mountains and lands suitable for afforestation is 486000 hectares.2001年完成退耕地还林39.9万公顷，宜林荒山荒地造林48.6万公顷。
12.Quantitative Analysis on Ecological Relationships of Dominant Populations of Abandoned Land in Guandi Mountains, Shanxi;山西关帝山撂荒地植物群落生态关系数量分析
13.Restoration dynamics of plant community on abandoned arable land under erosion environment侵蚀环境撂荒地植物群落恢复动态研究
14.More land will be restored to forests this year than before, and rest-grazing will be promoted. We will quicken the pace of planting trees on barren hills and uncultivated land wherever possible.今年要进一步扩大退耕还林规模，推进休牧还草，加快宜林荒山荒地造林步伐。
15.IMPORTANT REVELATIONS OBTAINED FROM MARXIST GROUND RENT THEORY TO SOLVE WASTELAND PROBLEM;马克思地租理论对解决我国农地撂荒问题的重要启示
16.Nutrient Contents and Enzyme Activities in the Soil of Cunninghamia lanceolata Forests of Successive Rotation and Natural Restoration with Follow after Clear-Cutting杉木林采伐迹地连栽和撂荒对林地土壤养分与酶活性的影响
17.Connection between Biodiversity Development and Ability of Water and Soil Conservation of Abandoned Land in the Western Qinling-Bashan Mountains;秦巴山系西缘撂荒地生物多样性动态与水土保持能力关系研究
18.Study on the Processes of Soil Erosion Using REE Tracers on Sloping Land and the Effect on Reducing Sediment of Different Underlying Surfaces;REE示踪坡面侵蚀演变过程及不同下垫面撂荒地的减沙效益研究
相关短句/例句
Cultivated land abandoning耕地撂荒
1.A research on the sustainable or unsustainable judgment system of cultivated land abandoning;耕地撂荒可否持续的评判指标体系研究
2.Cultivated land abandoning was an important problem in the developed non-agricultural economy areas of china since the late 1980 s.耕地撂荒是20世纪80年代后期以来我国非农经济发达地区面临的重要问题,浙江沿海更为突出,是建设社会主义新农村必须面对的现实问题。
3.This paper aimed to decide the characteristics which can describe the extent of cultivated land abandoning, select items which apply to judge the sustainability of cultivated land abandoning and divide the sustainability patterns of cultivated land abandoning.研究目的:确定用于描述耕地撂荒程度的指标,筛选能评判耕地撂荒可持续性的指标项目,划分耕地撂荒现象的可持续模式。
3)abandonment of the arable land弃耕撂荒
1.Based on the cost-income datum(1980～2002) of farm product and the China Agricultural Yearbook,taking these main crops in the progress of the arable land use as a study case,this paper studied the characters and its driving force for the annual changes of the degree of intensity,the sowing area and theabandonment of the arable land.结果表明:近20多年来,中国农地利用的集约度与总播种面积均有不断提高与扩大的总体趋势,但在扩大过程中却有三次显著下降变化,在集约度下降时期(1984~1986年、1992~1993年、1997~1999年),农作物播种面积明显缩小,农地弃耕撂荒现象开始显著增加;导致这些变化的根本原因同农地利用过程中成本要求与土地要素纯收益的变化密切相关,但在时间响应上,由于农户要经过一个“观望-权衡-行动”的响应过程,从而往往滞后1~3年。
4)de-farming and wasteland退耕弃荒地
1.According to similar natural condition and different years of de-farming, this research studied nitrogen variation features of the desertification soils of differentde-farming and wasteland in the western Karst region, Guizhou province.研究以贵州西部喀斯特石漠化地区退耕弃荒地土壤为研究对象,在保证自然因素相对一致的条件下,根据退耕年限的不同和有无梯化过程,采集土壤样品进行全氮及氮素形态的化学分析。
5)Abandoned land撂荒地
1.Species diversity of plant communities on abandoned land in the Guandi Mountains,Shanxi;山西关帝山撂荒地植物群落物种多样性研究(简报)
2.Based on the dataset of 52 plots investigated from the field,the interspecific relationship among 31 dominant populations of the communities of abandoned land in Guandi Mountains,Shanxi was studied by using χ2 test for 2×2 contingency tables,Pearson s correlation coefficient test and Spearman s rank correlation coefficient test,respectively.根据野外52个样方的调查数据,运用2×2列联表的χ2检验、Pearson相关系数检验和Spearman秩相关系数检验研究了山西关帝山撂荒地植被31个建群种和优势种种间关联和相关关系。
6)wasteland problem农地撂荒
1.Focusing on thewasteland problem,this paper points out that the essential reason ofwasteland problem lies in the lower return of agricultural investment.作者针对我国当前的农地撂荒问题,指出农地撂荒的根源在于农地投资的比较收益低下。
延伸阅读
英福美 ,丁地去炎松,布地缩松,布地奈德药物名称：布地奈德英文名：Budesonide别名： 普米克；英福美 ,丁地去炎松,布地缩松,布地奈德外文名： pulmicort ,budesonide成分： 布地奈德 药理作用： 具有强糖皮质激素作用。局部应用于支气管，其抗炎作用较可的松约强1000倍。 适用于局部对抗非特异炎症和抗过敏，如支气管哮喘和气道高反应性状态。 适应症： 支气管哮喘 用量用法： 气雾剂成人 初始剂量400-1600ug/日，分二次吸入，维持剂量200-400ug。儿童100-200ug,分2－4次吸入，干粉吸入剂成人 轻症400-800ug/日，重症800-1600ug/日，分2－4次用。 不良反应： ①轻微的喉部刺激感及声嘶，偶见口咽部念珠菌感染。 ②喷吸本品后应漱洗口腔和咽部，不然容易导致白色念珠菌滋生。 ③孕妇一般忌用。 注意事项： 肺结核患者及气道真菌、病毒感染者慎用。 规格： 气雾剂 50ugx 200喷。200ugx 100喷。干粉吸入剂 100ug x 200吸。200ugx 100吸，200吸。 类别：平喘药\肾上腺皮质激素
