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停止放牧
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  “停止放牧”译为未确定词的双语例句
     Supplements should befed in late winter and early spring to keep stock off past ure until a minim um pasture cover(5cm)isreached.
     晚冬和早春季节进行补饲并停止放牧直至草地牧草量水平至少达到最低指标──5cm;
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  相似匹配句对
     rational grazing;
     2.合理放牧;
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     Optimal Stop in Stock Market
     证券市场的最优停止
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     Cessation Pattern in Complicity
     共同犯罪的停止形态
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     Advance in Free Range Chickens
     放牧鸡的研究进展
短句来源
     Supplements should befed in late winter and early spring to keep stock off past ure until a minim um pasture cover(5cm)isreached.
     晚冬和早春季节进行补饲并停止放牧直至草地牧草量水平至少达到最低指标──5cm;
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  destocking
Overgrazing by livestock, coupled with episodic droughts, has caused widespread rangeland degradation and loss of floristic and faunal diversity which, by current models, is unlikely to recover to 'climax' conditions even with destocking.
      
Destocking and weakening demand led to a slowdown of activity.
      
Extensive destocking and falling private consumption also contributed to the contraction of activity.
      
It depends on fertility parameters but also on the farmers' decisions concerning animal stocking or destocking.
      
In severe circumstances, this may require destocking or even total cessation of livestock production.
      
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Taking the typical cases of the four counties(cities) in Songnen Grasslands for example.The limits, degrees,peculiarities of the inundated grasslands were elaborated in this paper.It was the glaring harming of waterlogging to grasslands that had resulted in vegetation recessesand,productivity reduction,ecological deteriorate of soils,expansion of salinized spots,decrease of grazing grasslands,more cattle diseases,and significant economic losses.For the sake of protecting,harnessing and improving the inundated...

Taking the typical cases of the four counties(cities) in Songnen Grasslands for example.The limits, degrees,peculiarities of the inundated grasslands were elaborated in this paper.It was the glaring harming of waterlogging to grasslands that had resulted in vegetation recessesand,productivity reduction,ecological deteriorate of soils,expansion of salinized spots,decrease of grazing grasslands,more cattle diseases,and significant economic losses.For the sake of protecting,harnessing and improving the inundated grasslands. Some suggestions were made as to follow the “Law of grasslands managemnt” closely;use rationally, enrich and improve the grasslands;turn up shallowly,loosen deeply and resow;overhaul and increase grass- lands facilities;stop grazing;strengthen management and planning and so on.

本文以松嫩草原4个(市)县的典型事例为依据,阐述了被淹草原的范围、程度及特点;涝灾对草原的危害,突出表现在植被衰退、演变,生产力下降;草原土壤生态环境进一步恶化;盐碱斑扩大;放牧地减少;牲畜病害加重;经济损失严重。为了保护治理被淹草原,作者提出了认真贯彻“草原法”,合理利用、培肥改良草地,浅翻深松补播,检修补增草原设施,停止放牧休闲以及加强领导,统一规划等建议。

On the basis of the monitoring information reported previously,the improved sheep prod uction systemshave been designed and evaluated at four small house holders and a research station farm.Compared to thealready existed systems,the modifications in the improved systems were as follows.The lambing date shouldbe changed from winter to spring so that the supplementary feed and costs during the winter could be cut by50%.The fertilizers should be increased to produce more pastures to meet the livestock requirements...

On the basis of the monitoring information reported previously,the improved sheep prod uction systemshave been designed and evaluated at four small house holders and a research station farm.Compared to thealready existed systems,the modifications in the improved systems were as follows.The lambing date shouldbe changed from winter to spring so that the supplementary feed and costs during the winter could be cut by50%.The fertilizers should be increased to produce more pastures to meet the livestock requirements insteadof purchase of concentrates.The surplus herbage produced during the growing season should be conservedwith a low cost technology such as making hay,silage or keeping for winter grazing.Supplements should befed in late winter and early spring to keep stock off past ure until a minim um pasture cover(5cm)isreached.Fluctuation of ewe liveweight should be lessened.The target intake level and liveweight of hoggetsshould be reached during the key production stage.The results of evaluation of improved system indicatedthat the gross margin have reached 686~808 Yuan/hm2 for winter lambing system,and 998~1085 yuanfor spring lambing system.The former is 1.6~1.8 times of the average income(434 Yuan)of themonitored small holders,the latter is 2.3~2.5 times.

本文以不同水平人工草地绵羊放牧系统的监测分析资料为基础,针对原系统中存在的问题,提出了系统优化方案。优化方案中的重点措施是:改变产羔期(产冬羔改为产春羔)以降低冬季补饲量和补饲成本(约50%);增加肥料投入以换取低成本的牧草,从而取代大量购入用于补饲的高价饲料作物和精料;采用低成本的方法把牧草从旺季转入淡季,如制作干草、青贮或直接留出部分冬季放牧地等;晚冬和早春季节进行补饲并停止放牧直至草地牧草量水平至少达到最低指标──5cm;减少母羊的体重波动并确保育成羊的摄入量标准以达到关键时期的体重指标等。对优化系统的经济评价结果表明,冬羔系统优化后,每公顷草地销售毛利可达686~808元;春羔系统优化后,每公顷草地销售毛利可达998~1085元。前者相当于农户监测系统现在平均水平434元的1.6~1.8倍,后者相当于2.3~2.5倍。

Monitoring restoration of the degraded grasslands can provide knowledges on the restoration processesand mechnisms,reveal the factors limiting restoration,and is therefcre a base for making ecological measures for fast restoration with the lowest input. The natural restoration of a degraded grassland dominated by Potentila acaulis,Artemisia frigida and Carex auriuscula were monitored biennually since 1985in the Xilingol Steppe Biosphere Reserve, Inner Mongolia. The results showed that, through 8-years'restoration,the...

Monitoring restoration of the degraded grasslands can provide knowledges on the restoration processesand mechnisms,reveal the factors limiting restoration,and is therefcre a base for making ecological measures for fast restoration with the lowest input. The natural restoration of a degraded grassland dominated by Potentila acaulis,Artemisia frigida and Carex auriuscula were monitored biennually since 1985in the Xilingol Steppe Biosphere Reserve, Inner Mongolia. The results showed that, through 8-years'restoration,the height of grassland community greatly increased awhile its cover and phytomass had anincrease at first,and then a decrease. Tile species richness of the community had only a slight increase,the reason of which was that the grassland was co-evoluted with wildlife,especially the ungulates,andalso had a long grazing history of domestic animals,so plants had high tolerence to grazing pressure,andexclosure of grazing could not make a great increase in species richness. The community succession weremainly due to the changes in dominance of different species. The dynamic analysis of the community equitability during the restoration indicated that the community had not restored to the stable state of theoriginal steppe grasslands corresponding to the regional climate

对退化草原自然恢复演替过程的监测,是认识其恢复过程、机理、探讨恢复的限制因子和进一步制定快速、低投入生态恢复措施的基础。通过对内蒙古典型草原地带退化草原[星毛委陵菜(Potentilaacaulis)、冷蒿(Artemisiafrigida)和寸草苔(Carexduriuscula)等为主]封育恢复动态8年的监测表明:在退化草原群落自然恢复过程中,植物高度上升;植被盖度和生物量先增加,尔后基本稳定,或略有下降的趋势。群落的物种丰富度增加微弱,这可能与该区草原植物和野生动物协同进化有关,同时与数千年的家畜放牧史有关。即植物物种对放牧有较大的耐性,停止放牧,物种的丰富度也增加较少;群落结构的变化主要表现在不同种群优势度的消长上。群落均匀度指数的动态过程分析表明,恢复8年的草原群落尚未达到天然草原状态,尚需进一步的监测研究。

 
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