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Changes of Growth Characteristics of Kentucky bluegrass under Water-nitrogen Interaction

水氮交互作用下草地早熟禾生长特性的变化



全 文 :!23" !6#
 Vol.23  No.6
! " #      11%
  Nov.  2015
犱狅犻:10.11733/j.issn.10070435.2015.06.014
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Fig.1 Effectofwaterandnitrogeninteractiontreatments
onbiomassandalocationofKentuckybluegrass
Ô

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(犘<0.05)
Note:Differentcapitallettersmeansignificantdifference
amongthesametreatmentatthe0.05level
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Table5 TwowayANOVVAonbiomassof犘狉狅犘狉犪狋犲狀狊犻狊underwaterandnitrogeninteractiontreatments
Ä:
Index
Œx¾@
Watertreatments
¦w¾@
Nitrogentreatments
Ô¯’¢
Interaction
犱犳 犳 犘 犱犳 犳 犘 犱犳 犳 犘
×to
Root/shoot
2 60.38 <0.0008 2 6.08 0.0066 4 1.00 0.4251
?—Gº
Abovegroundbiomass/g
2 3.52 <0.0006 2 14.73 <0.0001 4 3.30 0.025
?ÍGº
Undergroundbiomass/g
2 12.86 <0.0007 2 25.64 <0.0001 4 5.24 0.003
  Ô:犘<0.05È6aê!",犘<0.01È6aêé!"
Note:significantdifferenceatthe0.05level,verysignificantdifferenceatthe0.01level
v6 “X{*+7‘lm¤¥½¾¿|}
ó‚d=ó]@ÃÉHÄe~
Table6Linearregressionofwaterandnitrogen
interactiveprocessingonleafgreencolorwitheach
indexof犘狉狅犘狉犪狋犲狀狊犻狊
Ä:
Index
OˆU
Linearregression
³&
Leaflength/cm
犳=0.9256狓+31.0526(犚2=0.4208犘=0.0587)
³ 
Leafwidth/mm
犳=0.1842狓+1.2927(犚2=0.4697犘=0.0416)
rù&Ð
Internode
length/mm
犳=0.0808狓+0.7098(犚2=0.3498犘=0.0934)
xZ×
Tiler/per
plant-1
犳=0.8916狓+0.8887(犚2=0.5108犘=0.0305)
×&
Root
length/cm
犳=1.7430狓+33.280(犚2=0.9528犘<0.0001)
?—Gº
Aboveground
biomass/g
犳=0.1395狓+0.8971(犚2=0.8310犘=0.0006)
?ÍGº
Underground
biomass/g
犳=-0.0852狓-0.9046(犚2=0.3625犘=0.0862)
×to
Root/shoot
犳=0.0387狓+0.5151(犚2=0.9399犘<0.0001)
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