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闽南山地
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  south fujian hilly land
     Studies on the Fertilization Experiment of Eucalyptus grandis× E.urophylla on South Fujian Hilly Land
     闽南山地巨尾桉施肥试验研究
短句来源
     Studies on the Introduction of Trees on South Fujian Hilly Land and the Selection of Suitable Timber Species on South Fujian Hilly Land
     闽南山地树木引种与适宜用材树种选择研究
短句来源
     The High Yield Cultural Technique of Dendrocalamus latiflorus on the South Fujian Hilly Land
     闽南山地麻竹丰产栽培技术
短句来源
     Study of the Effects of Fertilization in a Cinnamamun cassia Plantation on South Fujian Hilly Land
     闽南山地肉桂人工林施肥效应
短句来源
  “闽南山地”译为未确定词的双语例句
     Best Sites Selection for Eucalyptus Clones U6 in Mountainous of Southern Fujian Province
     闽南山地桉树无性系U6造林立地条件选择
短句来源
     urophylla dbh,height,sigle tree volume and stocking growth increments,P fertilizer of them is extremely important for E. grandis × E. arophylla growth and N fertilizer comes second,the optimal fertilization for mula is N200P150K0(kg·hm-2),namely,applying 200 kg of N fertilizer and 150 kg of P fertilizer instead of K fertilizer per 1 hm2
     闽南山地巨尾桉施肥试验研究结果表明:不同施肥处理对巨尾桉胸径、树高、单株材积、蓄积量的生长造成极显著的差异,其中,P肥对巨尾桉生长极端重要,N肥次之,最佳施肥配方是N200P150K0(kg·hm-2),即每1hm2林地施N肥200kg、P肥150kg,不施K肥。
短句来源
     Adopting the afforestation arrangement of 2m×3m or 1.5m×4m in mountain areas of South Fujian is advantageous to the stand growth and soil fertility maintenance whereas the arrangement of 1m×6m causes the following defects:many wind-breakage trees,vigorous vegetation under the stands,few dry branches and fallen leaves,few soil nutrients and low stand productivity.
     闽南山地造林采用 2m× 3m或 1 5m× 4m的配置并按“品”字型排列植穴所形成的营养空间较为合理 ,有利于林分生长和地力维持 ; 而 1m× 6m的配置 ,表现出风折木多、林下植被旺盛、枯枝落叶量少、土壤养分含量少及林分生产力低等特点。
短句来源
     Study on the Characteristic of Tectona Grandis in the South of Fujian
     闽南山地引种柚木栽培特性研究
短句来源
     Studies on suitable density of Cinnamamun cassia planting forests in southern Fujian mountian areas
     闽南山地肉桂人工林合理种群密度的研究
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     Study of the Effects of Fertilization in a Cinnamamun cassia Plantation on South Fujian Hilly Land
     闽南山地肉桂人工林施肥效应
短句来源
     The High Yield Cultural Technique of Dendrocalamus latiflorus on the South Fujian Hilly Land
     闽南山地麻竹丰产栽培技术
短句来源
     The Mountain Rain Forest of Hainan Island
     海南岛山地雨林
短句来源
     Study on the Mountainous Eco agriculture
     山地生态农业研究
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     A View of Play Gezai in South Fujian from the Point of Nation Musicology
     闽南歌仔戏的文化审视
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Magnesium deficiency is one of the common phenomena occuring in the mountainous citrus orchards in South Fujian.It causes the short-life of foliage and lower chlorophyll content; it also retards the process of photosynthesis, arrests the growth of the roots and makes the plant to deteriorate and thus leads to alternate bearing of fruits.

缺镁是闽南山地柑桔普遍发生的缺素症之一。缺镁使叶片寿命短,叶绿素减少,光合作用率下降,根系发育差,植株早衰,导致大小年或隔年结果。出现缺镁症的柑桔园土壤交换性镁含量大都在50ppm以下,交换性钾多在150~200ppm以上,钾、镁(毫克当量/100克土)比值大于0.5。土壤属强或极强酸性。叶片钾、镁含量与土壤交换性钾、镁呈正相关。缺镁植株叶片含镁量低于0.25%,最低的仅0.03%,老叶比新叶含量低且出现症状,钾大都超过1.2~1.6%的适量范围。闽南山地缺镁是由于土壤中可供吸收利用的交换性镁含量低与土壤交换性钾、镁的比例失调所引起。植株出现的症状以A、B型为多。喷布1%硝酸镁可迅速提高叶片含镁量,使叶片钾含量降低到适量范围,叶片钙的含量相应提高,还有增加叶绿素的效应,与对照区比较差异都达显著和极显著。在矫治缺镁症时应以施用石灰或含镁的白云石灰,把土壤pH值调整至6~6.5为基本措施,并应根据土壤有效钾的含量酌施钾肥。

The data of the growth of Eucalyptus grandis × E urophylla stands and of the soil survey under the stands were utilized and the stepwise regression statistic method was adopted to approach the soil leading factor influencing the fast growth and high yield of E grandis × E urophylla in South Fujian hilly area.The results demonstrate that the soil leading factor is the soil capillary moisture holding capacity,humus layer thickness,soil layer thickness and available phosphorus and its regression equation is:Y=1...

The data of the growth of Eucalyptus grandis × E urophylla stands and of the soil survey under the stands were utilized and the stepwise regression statistic method was adopted to approach the soil leading factor influencing the fast growth and high yield of E grandis × E urophylla in South Fujian hilly area.The results demonstrate that the soil leading factor is the soil capillary moisture holding capacity,humus layer thickness,soil layer thickness and available phosphorus and its regression equation is:Y=1 544+0 157X 5+0 059X 2+0 034X 1+0 327X 8.

利用巨尾桉林分生长及林下土壤调查资料,采用逐步回归统计方法,探讨影响闽南山地巨尾桉生长的土壤主导因子,结果表明:限制闽南山地巨尾桉速生丰产的土壤主导因子为土壤毛管持水量、腐殖质层厚度、土层厚度及有效磷,其回归方程为:Y=1-544+0-157X5+0-059X2+0-034X1+0-327X8。

The experimental studies on Eucalyptus grandis × E.urophylla and E.urophylla afforestation with three types of plant and row spacing arrangement reveal that under the same situation of afforestation density of 1665 trees per hm,the effects of the different plant and row spacing arrangement on the stand,growth,resistance,intensity of illumination inside the stands,deciduous things under the stands and forest soil fertility are somewhat different.Adopting the afforestation arrangement of 2m×3m or 1.5m×4m in mountain...

The experimental studies on Eucalyptus grandis × E.urophylla and E.urophylla afforestation with three types of plant and row spacing arrangement reveal that under the same situation of afforestation density of 1665 trees per hm,the effects of the different plant and row spacing arrangement on the stand,growth,resistance,intensity of illumination inside the stands,deciduous things under the stands and forest soil fertility are somewhat different.Adopting the afforestation arrangement of 2m×3m or 1.5m×4m in mountain areas of South Fujian is advantageous to the stand growth and soil fertility maintenance whereas the arrangement of 1m×6m causes the following defects:many wind-breakage trees,vigorous vegetation under the stands,few dry branches and fallen leaves,few soil nutrients and low stand productivity.

对巨尾桉、尾叶桉 3种株行距配置造林试验研究表明 ,在同为 16 6 5株·hm-2 造林密度的情况下 ,不同株行距配置对林分生长、抗逆性、林内光照强度、林下凋落物及林地土壤肥力的影响有所差异。闽南山地造林采用 2m× 3m或 1 5m× 4m的配置并按“品”字型排列植穴所形成的营养空间较为合理 ,有利于林分生长和地力维持 ;而 1m× 6m的配置 ,表现出风折木多、林下植被旺盛、枯枝落叶量少、土壤养分含量少及林分生产力低等特点。

 
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