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chinese pine mixed forest
相关语句
  油松混交林
     STUDIES ON THE BENEFIT OF CHINESE PINE MIXED FOREST IN THE WEST OF LIAONING PROVINCE
     辽西地区油松混交林效益的研究
短句来源
     On the basis of a lot of investigation and analysis,it shows that in the soil erosion area of the Western Liaoning province,the Chinese pine mixed forest is superior than the pure one not only in soil humidity and humus content but also in improving microclimate.
     通过大量调查分析说明,在辽西水土流失地区,油松混交林无论对土壤湿度,土壤腐殖质含量以及对小气候条件改善等方面都明显优于油松纯林。
短句来源
  “chinese pine mixed forest”译为未确定词的双语例句
     Studies on the Technique of Poplar Mixed Forest with Seabuckthorn and Chinese Pine Mixed Forest with Seabuckthorn in Western Liaoning Province
     辽西地区杨树沙棘、油松沙棘混交林混交技术探讨
短句来源
  相似匹配句对
     STUDIES ON THE BENEFIT OF CHINESE PINE MIXED FOREST IN THE WEST OF LIAONING PROVINCE
     辽西地区油松混交林效益的研究
短句来源
     Research on the Fireproof Effect of Chinese Pine and Liaodong Oak Mixed Forest
     油松和辽东栎混交林防火效果的研究
短句来源
     ChineseForest Giump”
     中国式“阿甘”
短句来源
     On the Chinese Forest Culture
     中国森林文化之我见
短句来源
     STUDIES ON THE ECOLOGICAL BENEFIT OF THE MIXED FOREST OF CHINESE PINE WITH BROADLEAF TREES IN THE WEST PART OF LIAONINGPROVINCE
     中国辽西地区油松针阔混交林生态效益的研究
短句来源
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On the basis of a lot of investigation and analysis,it shows that in the soil erosion area of the Western Liaoning province,the Chinese pine mixed forest is superior than the pure one not only in soil humidity and humus content but also in improving microclimate.Generally speaking,the mixed forest increases soil humidity by 3-32% and humus content by 0.5-76.4%.In hot summer the relative humidity enhances 3-26% within the forest while the temperature decreases 1-4℃,therefore more favorable...

On the basis of a lot of investigation and analysis,it shows that in the soil erosion area of the Western Liaoning province,the Chinese pine mixed forest is superior than the pure one not only in soil humidity and humus content but also in improving microclimate.Generally speaking,the mixed forest increases soil humidity by 3-32% and humus content by 0.5-76.4%.In hot summer the relative humidity enhances 3-26% within the forest while the temperature decreases 1-4℃,therefore more favorable ecologic conditions for growing trees are created.In addition,the damage of diseases and pests is reduced and trees grow vigorously at higher rate.Among all mixed forests the pine+oak is best;pine+maple,pine+sea-buckthorn,pine+smoke tree come second and the pine+Chinese arbor-vitae is the worst when the comprehensive effect was considered.

通过大量调查分析说明,在辽西水土流失地区,油松混交林无论对土壤湿度,土壤腐殖质含量以及对小气候条件改善等方面都明显优于油松纯林。混交林一般可使土壤湿度提高3~32%,使土壤腐殖质含量提高0.5~76.4%,在炎热的夏季使林内相对湿度提高3~26%,温度下降1~4℃,创造了较好的生态条件。此外,还可以减少病虫危害,促进树木旺盛生长,提高林木生长力.混交林以油松、柞树混交为最好;油松、色树,油松、沙棘,油松、黄栌混交稍次;而以油松、侧柏混交效果最差。

The technique of poplar mixed forest with seabuckthorn and Chinese pine mixed forest with seabuckthorn was studied in this paper.The result showed that mixture by strip is better than inter row mixture.For the mixture by strip,poplar and Chinese pine bands with 4 rows are suitable,the width of seabuckthorn bands hould be determined according to concrete conditions.

对辽西地区杨树沙棘、油松沙棘混交林混交技术进行了探讨。结果表明,两种混交林均以带状混交为佳,行状混交对幼林管理不便,且需经常调整种间关系。两种混交林中,杨树、油松均以4行一带为好(行距2m),如行距为3m,则3行为一带。沙棘带宽度根据具体情况而定。

The soil and water conservation function of Chinese pine mixed forests and pure pine stand is studied on soil physical properties, water holding capac ities of forest canopy,ground vegetation and litter layer, water storage capac ity of soil, soil permeability and soil erosion. The results show that the mixed forests of Chinese pine have better water and soil conservation function than i ts pure forests.

对油松 ( Pinus tabulaef ormis Carr.)、辽东栎 ( Quercus liaotungenssis Koidz.)、油松和虎榛子 ( Ostryopsisdavdiana Decne.)混交林及纯林不同林分的土壤理化性质、土壤侵蚀量、林冠截流、枯落物持水量以及林地土壤贮水等方面进行了研究 ,结果表明 :混交林比纯林具有更好的水土保持效果和更强的水源涵养功能。

 
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