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root distribution造句

"root distribution"是什么意思   

例句與造句

  1. on the other hand, a deep-rooted, low-tillering variety has a well-spaced, lateral root distribution and its roots grow more actively in deep soils than those of a shallow-rooted, high-tillering variety
    另一方面,深根、低分蘗品種根系分布間距適當(dāng)、側(cè)向生長、深層土壤中的根系比淺根、高分蘗品種活力更強(qiáng)。
  2. by studying to fertilize in deep and omnibearing lamination to soybean during l993 ~ 1994, the results showed that applying fertilizer in the lamination under ridges according to the regulation of fertilizer needed and the root distribution of soybean should be advantageous to the growth and development of root and plant, increase dry matter accumulation, adjust the factors determining soybean yield and increase yield significantly
    摘要通過1993~1994年對大豆全方位分層深施肥的研究,結(jié)果表明,按照大豆需肥規(guī)律和根系分布部位進(jìn)行壟下三條分層深施肥,有利于大豆根系、植株生長發(fā)育、增加干物質(zhì)積累,調(diào)整產(chǎn)量因素,增產(chǎn)顯著。
  3. on the loess plateau, water is the main limiting factors for vegetation growth . root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments . even-aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation . investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root . the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites . analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0.982, while the value of on southern exposition was less than 0.982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition . and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree
    在中國西北黃土高原地區(qū),水分是樹木生長發(fā)育的主要限制因子.根系分布特征由于反映了樹木對環(huán)境條件的利用程度而具有更加特殊的生態(tài)意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調(diào)查了根系分布特征.根系垂直分布特征的調(diào)查結(jié)果表明,在所有立地上,根系生物量隨著深度的增加而降低,其中細(xì)根的分布深度大于粗根的分布深度.方差分析結(jié)果表明:不同立地上不同徑級根系的分布特征也有明顯的差別,粗根是差異存在的主要原因,陰坡立地上的根系生物量,特別是細(xì)根生物量大于陽坡立地上的.對根系消弱系數(shù)的分析結(jié)果表明,陰坡立地上的根系消弱系數(shù)大于0.982,而陽坡立地上的根系消弱系數(shù)小于0.982,說明陰坡立地上刺槐根系的生物量在深層土壤中的分布相對量更大一些.其中細(xì)根的根系消弱系數(shù)大于粗根的,這種根系分布特征有利于根系對深層土壤水分養(yǎng)分的吸收利用,進(jìn)而促進(jìn)樹木地上部分的生長發(fā)育.圖3表3參15
  4. on the loess plateau, water is the main limiting factors for vegetation growth . root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments . even-aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation . investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root . the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites . analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0.982, while the value of on southern exposition was less than 0.982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition . and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree
    在中國西北黃土高原地區(qū),水分是樹木生長發(fā)育的主要限制因子.根系分布特征由于反映了樹木對環(huán)境條件的利用程度而具有更加特殊的生態(tài)意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調(diào)查了根系分布特征.根系垂直分布特征的調(diào)查結(jié)果表明,在所有立地上,根系生物量隨著深度的增加而降低,其中細(xì)根的分布深度大于粗根的分布深度.方差分析結(jié)果表明:不同立地上不同徑級根系的分布特征也有明顯的差別,粗根是差異存在的主要原因,陰坡立地上的根系生物量,特別是細(xì)根生物量大于陽坡立地上的.對根系消弱系數(shù)的分析結(jié)果表明,陰坡立地上的根系消弱系數(shù)大于0.982,而陽坡立地上的根系消弱系數(shù)小于0.982,說明陰坡立地上刺槐根系的生物量在深層土壤中的分布相對量更大一些.其中細(xì)根的根系消弱系數(shù)大于粗根的,這種根系分布特征有利于根系對深層土壤水分養(yǎng)分的吸收利用,進(jìn)而促進(jìn)樹木地上部分的生長發(fā)育.圖3表3參15
  5. on the loess plateau, water is the main limiting factors for vegetation growth . root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments . even-aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation . investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root . the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites . analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0.982, while the value of on southern exposition was less than 0.982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition . and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree
    在中國西北黃土高原地區(qū),水分是樹木生長發(fā)育的主要限制因子.根系分布特征由于反映了樹木對環(huán)境條件的利用程度而具有更加特殊的生態(tài)意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調(diào)查了根系分布特征.根系垂直分布特征的調(diào)查結(jié)果表明,在所有立地上,根系生物量隨著深度的增加而降低,其中細(xì)根的分布深度大于粗根的分布深度.方差分析結(jié)果表明:不同立地上不同徑級根系的分布特征也有明顯的差別,粗根是差異存在的主要原因,陰坡立地上的根系生物量,特別是細(xì)根生物量大于陽坡立地上的.對根系消弱系數(shù)的分析結(jié)果表明,陰坡立地上的根系消弱系數(shù)大于0.982,而陽坡立地上的根系消弱系數(shù)小于0.982,說明陰坡立地上刺槐根系的生物量在深層土壤中的分布相對量更大一些.其中細(xì)根的根系消弱系數(shù)大于粗根的,這種根系分布特征有利于根系對深層土壤水分養(yǎng)分的吸收利用,進(jìn)而促進(jìn)樹木地上部分的生長發(fā)育.圖3表3參15
  6. It's difficult to find root distribution in a sentence. 用root distribution造句挺難的
  7. on the loess plateau, water is the main limiting factors for vegetation growth . root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments . even-aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation . investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root . the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites . analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0.982, while the value of on southern exposition was less than 0.982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition . and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree
    在中國西北黃土高原地區(qū),水分是樹木生長發(fā)育的主要限制因子.根系分布特征由于反映了樹木對環(huán)境條件的利用程度而具有更加特殊的生態(tài)意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調(diào)查了根系分布特征.根系垂直分布特征的調(diào)查結(jié)果表明,在所有立地上,根系生物量隨著深度的增加而降低,其中細(xì)根的分布深度大于粗根的分布深度.方差分析結(jié)果表明:不同立地上不同徑級根系的分布特征也有明顯的差別,粗根是差異存在的主要原因,陰坡立地上的根系生物量,特別是細(xì)根生物量大于陽坡立地上的.對根系消弱系數(shù)的分析結(jié)果表明,陰坡立地上的根系消弱系數(shù)大于0.982,而陽坡立地上的根系消弱系數(shù)小于0.982,說明陰坡立地上刺槐根系的生物量在深層土壤中的分布相對量更大一些.其中細(xì)根的根系消弱系數(shù)大于粗根的,這種根系分布特征有利于根系對深層土壤水分養(yǎng)分的吸收利用,進(jìn)而促進(jìn)樹木地上部分的生長發(fā)育.圖3表3參15
  8. abstract : on the loess plateau, water is the main limiting factors for vegetation growth . root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments . even-aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation . investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root . the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites . analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0.982, while the value of on southern exposition was less than 0.982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition . and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree
    文摘:在中國西北黃土高原地區(qū),水分是樹木生長發(fā)育的主要限制因子.根系分布特征由于反映了樹木對環(huán)境條件的利用程度而具有更加特殊的生態(tài)意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調(diào)查了根系分布特征.根系垂直分布特征的調(diào)查結(jié)果表明,在所有立地上,根系生物量隨著深度的增加而降低,其中細(xì)根的分布深度大于粗根的分布深度.方差分析結(jié)果表明:不同立地上不同徑級根系的分布特征也有明顯的差別,粗根是差異存在的主要原因,陰坡立地上的根系生物量,特別是細(xì)根生物量大于陽坡立地上的.對根系消弱系數(shù)的分析結(jié)果表明,陰坡立地上的根系消弱系數(shù)大于0.982,而陽坡立地上的根系消弱系數(shù)小于0.982,說明陰坡立地上刺槐根系的生物量在深層土壤中的分布相對量更大一些.其中細(xì)根的根系消弱系數(shù)大于粗根的,這種根系分布特征有利于根系對深層土壤水分養(yǎng)分的吸收利用,進(jìn)而促進(jìn)樹木地上部分的生長發(fā)育.圖3表3參15
  9. abstract : on the loess plateau, water is the main limiting factors for vegetation growth . root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments . even-aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation . investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root . the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites . analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0.982, while the value of on southern exposition was less than 0.982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition . and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree
    文摘:在中國西北黃土高原地區(qū),水分是樹木生長發(fā)育的主要限制因子.根系分布特征由于反映了樹木對環(huán)境條件的利用程度而具有更加特殊的生態(tài)意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調(diào)查了根系分布特征.根系垂直分布特征的調(diào)查結(jié)果表明,在所有立地上,根系生物量隨著深度的增加而降低,其中細(xì)根的分布深度大于粗根的分布深度.方差分析結(jié)果表明:不同立地上不同徑級根系的分布特征也有明顯的差別,粗根是差異存在的主要原因,陰坡立地上的根系生物量,特別是細(xì)根生物量大于陽坡立地上的.對根系消弱系數(shù)的分析結(jié)果表明,陰坡立地上的根系消弱系數(shù)大于0.982,而陽坡立地上的根系消弱系數(shù)小于0.982,說明陰坡立地上刺槐根系的生物量在深層土壤中的分布相對量更大一些.其中細(xì)根的根系消弱系數(shù)大于粗根的,這種根系分布特征有利于根系對深層土壤水分養(yǎng)分的吸收利用,進(jìn)而促進(jìn)樹木地上部分的生長發(fā)育.圖3表3參15
  10. abstract : on the loess plateau, water is the main limiting factors for vegetation growth . root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments . even-aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation . investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root . the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites . analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0.982, while the value of on southern exposition was less than 0.982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition . and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree
    文摘:在中國西北黃土高原地區(qū),水分是樹木生長發(fā)育的主要限制因子.根系分布特征由于反映了樹木對環(huán)境條件的利用程度而具有更加特殊的生態(tài)意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調(diào)查了根系分布特征.根系垂直分布特征的調(diào)查結(jié)果表明,在所有立地上,根系生物量隨著深度的增加而降低,其中細(xì)根的分布深度大于粗根的分布深度.方差分析結(jié)果表明:不同立地上不同徑級根系的分布特征也有明顯的差別,粗根是差異存在的主要原因,陰坡立地上的根系生物量,特別是細(xì)根生物量大于陽坡立地上的.對根系消弱系數(shù)的分析結(jié)果表明,陰坡立地上的根系消弱系數(shù)大于0.982,而陽坡立地上的根系消弱系數(shù)小于0.982,說明陰坡立地上刺槐根系的生物量在深層土壤中的分布相對量更大一些.其中細(xì)根的根系消弱系數(shù)大于粗根的,這種根系分布特征有利于根系對深層土壤水分養(yǎng)分的吸收利用,進(jìn)而促進(jìn)樹木地上部分的生長發(fā)育.圖3表3參15
  11. abstract : on the loess plateau, water is the main limiting factors for vegetation growth . root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments . even-aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation . investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root . the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites . analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0.982, while the value of on southern exposition was less than 0.982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition . and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree
    文摘:在中國西北黃土高原地區(qū),水分是樹木生長發(fā)育的主要限制因子.根系分布特征由于反映了樹木對環(huán)境條件的利用程度而具有更加特殊的生態(tài)意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調(diào)查了根系分布特征.根系垂直分布特征的調(diào)查結(jié)果表明,在所有立地上,根系生物量隨著深度的增加而降低,其中細(xì)根的分布深度大于粗根的分布深度.方差分析結(jié)果表明:不同立地上不同徑級根系的分布特征也有明顯的差別,粗根是差異存在的主要原因,陰坡立地上的根系生物量,特別是細(xì)根生物量大于陽坡立地上的.對根系消弱系數(shù)的分析結(jié)果表明,陰坡立地上的根系消弱系數(shù)大于0.982,而陽坡立地上的根系消弱系數(shù)小于0.982,說明陰坡立地上刺槐根系的生物量在深層土壤中的分布相對量更大一些.其中細(xì)根的根系消弱系數(shù)大于粗根的,這種根系分布特征有利于根系對深層土壤水分養(yǎng)分的吸收利用,進(jìn)而促進(jìn)樹木地上部分的生長發(fā)育.圖3表3參15
  12. root distribution and canopy structure parameters of s . godejevii in different sandy land habitats ( semi-fixed sand dunes, fixed sand dunes and inter-dunes low land ), as well as species composition and their frequency in the herb layer of the scrubs, were compared the results were as follows : the population hi the semi-fixed sand dunes had the most developed root systems, followed by he population in the fixed sand dunes, and that hi the inter-dunes low land was the last
    為了更有效地利用這一重要植物資源,本文對分布于渾善達(dá)克沙地三種不同沙地生境(半固定沙丘、固定沙丘、丘間低地)黃柳灌叢的根系分布,冠層特征進(jìn)行了研究,同時(shí)測定了灌叢下草本層植物種類組成及頻度,結(jié)果表明:半固定沙丘上的黃柳根系最發(fā)達(dá)(根系分布深,數(shù)量大),固定沙丘的黃柳明顯不及前者,而丘間低地的黃柳根系最不發(fā)達(dá)。

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