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恢复草地
相关语句
  recovered grassland
     Distribution Characteristics of Soil Microbial Numbers in Recovered Grassland and Degenerated Grassland
     恢复草地和退化草地土壤微生物类群数量的分布特征
短句来源
     The effect on improving degenerative meadow and grassland of Liaoning province is obvious, through one or multiple agriculture technical measures of endosing, harrowing, sowing and fertilizing. The grassland improved showed that the vegetation was recovered, grassland quality and ecological environment were improved, and forage production increased by 0.4~4.6 times.
     采用围封、切耙、补播、施肥等单一或综合农业技术措旌,对严重退化草甸草场进行改良,能使草场植被得到恢复,草地质量提高,生态环境改善,产草量提高0.4~4.6倍。
短句来源
     The number of soil microbial in recovered grassland, such as aerobacteria, spore-forming bacteria, actinomyces and fungi, was higher in autumn than in summer.
     在恢复草地的土壤微生物数量中,好气性细菌,芽孢型细菌,放线菌,真菌为秋季大于夏季;
短句来源
  restoration plot
     The C storage in plant-soil ecosystems decreased in the order: post-light-grazed restoration plot(1 785.39 g/m~2) > post-moderate-grazed restoration plot(1 494.69 g/m~2) > non-grazed restoration plot(1 483.61 g/m~2) > post-heavy-grazed restoration plot(1 323.39 g/m~2).
     植物-土壤系统的碳储量大小为轻牧后恢复草地(1 785.39 g/m2)>中牧后恢复草地(1 494.69 g/m2)>无牧后恢复草地(1 483.61 g/m2)>重牧后恢复草地(1 323.39 g/m2)。
短句来源
     The characteristics of soil physical, chemical and biological properties of sandy grassland in natural restoring processes after different grazing intensity disturbance were studied. Contents of organic carbon, total nitrogen and phosphorus, available nitrogen and phosphorus, and basal soil respiration in topsoil among different treatments have significant differences: post-moderate-grazing restoration plot>post-light-grazing restoration plot>non-restoration plot>post-heavy-grazing restoration plot.
     通过对科尔沁沙质草地不同强度放牧后自然恢复过程中土壤的物理、化学和生物学性状特征的研究 ,结果表明 ,土壤有机碳、全氮、全磷、有效氮和速效磷含量以及基础土壤呼吸活性在各处理表层土壤的特征为 :中牧后恢复草地 >轻牧后恢复草地 >无牧恢复草地 >重牧后恢复草地 ;
短句来源
     Soils in post-heavy-grazing restoration plot exhibit higher bulk density and pH values, and lower Catalase, Urease, and alkaline Phosphatase activities compared to other plots.
     重牧后的恢复草地表层土壤较其它处理有较高的土壤容重和pH值以及较低的过氧化氢酶、脲酶和碱性磷酸酶活性 ;
短句来源
     The C balance calculated as the difference between net primary production(sink) and respiration of heterotrophs(source) suggested equilibrium between the input and output of C in the non-grazed restoration plot and post-heavy-grazed restoration plot,and sequestration C of 84.89 and 76.51 g/(m~2·growing season) in the post-light-grazed restoration plot and post-moderate-grazed restoration plot,respectively.
     无牧和重牧后恢复草地的碳素输入和输出处于平衡状态,轻牧和中牧后恢复草地的碳素输入显著高于输出,净截存碳分别为84.89和76.51g/m2;
短句来源
  recovering grassland
     The results show that the Spore forming bacteria diversity index of recovering grassland is higher than that of artificial grassland and deterioration grassland;
     研究结果表明 :芽孢型细菌多样性指数为恢复草地大于人工草地和退化草地 ;
短句来源
     and that actinomycetes and fungi diversity indexes of recovering grassland are higher than that of deterioration grassland and artificial grassland.
     放线菌及真菌的多样性指数均为恢复草地大于退化草地和人工草地
短句来源
  “恢复草地”译为未确定词的双语例句
     intermedia grassland of 2490 clusters / hm2 was the highest and time of reaching stable seepage was shorter .
     总之,以1665丛/hm~2和2490丛/hm~2柠条草地的入渗性能比自然恢复草地和3330丛/hm~2柠条草地要好。
短句来源
     (2) the content of water-stable aggregates (>0.25 mm) and the rate of soil structure damage was in an order of 3330 Caragana/ha < natural grassland < 2490 Caragana/ha < 1665 Caragana/ha.
     ②>0.25mm的水稳性团聚体含量3330丛/hm~2柠条林<天然恢复草地<2490丛/hm~2柠条林<1665丛/hm~2柠条林;
短句来源
     Therefore, it is necessary to value economically its functions and services for the sake of conservation and sustainable use of this grassland.
     目前,草地退化导致的区域生态问题越来越突出,评价我国草地资源生态服务功能的经济价值,对于制定合理的区域生态保护和经济开发决策、保护和恢复草地生态系统具有重要意义。
短句来源
     (3) the bulk density of soils 20 cm under the ground at Caragana stands was better than at natural grassland, and the total porosity at Caragana stands at soil profile 0-60 cm was higher than natural grassland.
     土壤结构破坏率3330丛/hm~2柠条林<天然恢复草地<2490丛/hm~2柠条林<1665丛/hm~2柠条林:③土壤容重在20cm以下土层柠条林好于天然恢复草地:0~60cm土层,柠条林地土壤总孔隙度大要大于天然草地;
短句来源
     Contents of soil organic matter, total nitrogn, availabe N and P, sucrase, urease and neutral phosphatase in the pasture abandoned field during different years on loess hilly areas are all high in the upper layer of the profile and decrease with depth.
     黄土丘陵区不同撂荒年限的自然恢复草地土壤中有机质、全N、有效N和速效P以及土壤蔗糖酶、脲酶、中性磷酸酶活性在剖面的分布均为上高下低,并随着土层的加深而降低。
短句来源
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  restoration plot
In the 16 naturally occurring trees over 83% of the genotyped seed were fathered by unidentified trees whereas in restoration plot A only about 32% of the pollen came from an unidentified father.
      


Contents of soil organic matter, total nitrogn, availabe N and P, sucrase, urease and neutral phosphatase in the pasture abandoned field during different years on loess hilly areas are all high in the upper layer of the profile and decrease with depth. With the increasing of years, soil organic nutrients and the three enzymatic activity are highest in permanent grassland and lowest in cultivated pasture.There is positive relationship between the activities of the three enzymes and organic matter and total N,and...

Contents of soil organic matter, total nitrogn, availabe N and P, sucrase, urease and neutral phosphatase in the pasture abandoned field during different years on loess hilly areas are all high in the upper layer of the profile and decrease with depth. With the increasing of years, soil organic nutrients and the three enzymatic activity are highest in permanent grassland and lowest in cultivated pasture.There is positive relationship between the activities of the three enzymes and organic matter and total N,and no distinctive relationship to available N and P. The cultivated pasture can not increase soil nutrients of enzymatic activities due to probably limited time and improper use of the pastrue.

黄土丘陵区不同撂荒年限的自然恢复草地土壤中有机质、全N、有效N和速效P以及土壤蔗糖酶、脲酶、中性磷酸酶活性在剖面的分布均为上高下低,并随着土层的加深而降低。随着草地利用时间的增长,土壤有机质等养分和三种酶活性含量增高,活性增强。土壤养分及酶活性均以永久草地最高,三种酶活性与有机质和全N都呈明显的正相关,与有效N和速效P的相关不明显。人工草地不能增加土壤养分含量和酶活性,反而会大量消耗土壤养分使其肥力逐渐降低。

The optimum amount of fertilizer applied and its combination were determined by different amount of fertilizer applied and fertilizer combined in sand grassland. The grassland herbage yield and grassland productivity were greatly increased and the grassland vegetation was recovery and the grassland regressive intensity was decreased. The available pathway of sand land grassland harnessed was approached.

通过对沙地草地进行不同施肥量和不同肥料组合施肥,确定了沙地草地最佳施肥量及组合,最大限度地提高了草地牧草产量和草地生产力,恢复草地植被,减轻草地退化程度,探索了沙地草地治理的有效途径。

Vegetation restoring had a important contribution on improving soil structure. The substance of humus were improved as vegetation succession, however there was no significant change on C/N. The mean weight of aggregation was increased during vegetation succession. The artificial grassland showed the better affect on improving aggregation than natural vegetation succession. Both humus acid and plant fiber root with the diameter of 0. 1 -- 0. 4mm could improve the formation of soil aggregation.

植被恢复对于抗冲性土体构型形成具有重要意义。随着植被演替,土壤腐殖质物质含量得到提高,但C/N基本保持恒定。植被恢复可改善水稳性团聚体质量,增加团聚体平均重量直径。沙打旺草地改善水稳性团聚体作用于同期自然恢复草地,胡敏酸和植物0.1~0.4mm毛根对于>1mm水稳性团聚体形成都具显著作用。

 
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