Article Figures & Data
Tables
- Table 1.
Leaf area (LA), shoot length, net photosynthesis (Pn), and water use efficiency (WUE) of English oak (Quercus robur ‘Select’) as affected by different nursery production methods.
Treatment LAz
(cm2)Shoot lengthy
(cm)Pnx
(μmol CO2*m-2*sec-1)WUEw
(μmol CO2*mmol H2O)Balled-and-burlappedv 19.18 bt 4.68 a 7.51 a 9.36 a Airplantu 25.95 a 3.65 b 7.34 a 7.85 b ↵z Each value is the mean of 50 leaves per plant.
↵y Each value is the mean of 20 shoots per plant.
↵x Readings were taken on five fully expanded leaves per plant under condition of light saturation (PAR > 1,000 μmolm-2s-1) on two dates and averaged.
↵w WUE was calculated by dividing Pn by E.
↵v Balled-and-burlapped five-year-old, 4- to 4.5-m-tall (13- to 15-ft), 12- to 14-cm-circumference (5- to 6-in.) plants.
↵u Airplant container plants with identical characteristics.
↵t Means within columns followed by different letters are significantly different from each other using LSD test, α = 0.05 level.
- Table 2.
Leaf area (LA), shoot length, net photosynthesis (Pn), and water use efficiency (WUE) of English oak (Quercus robur ‘Select’) as affected by different planting-hole backfill mixes.
Treatment LAZ
(cm2)Shoot lengthy
(cm)Pnx
(μmol CO2*m-2*sec-1)WUEw
(μmol CO2*mmol H2O)Compostv 20.80 br 4.73 a 7.81 a 9.46 a Fertilizationu 24.99 a 4.40 ab 7.40 a 8.42 ab Leonarditet 22.02 ab 3.89 b 7.21 a 7.31 b Controls 20.85 b 4.02 ab 7.22 a 8.89 ab ↵z Each value is the mean of 50 leaves per plant.
↵y Each value is the mean of 20 shoots per plant.
↵x Readings were taken on five fully expanded leaves per plant under condition of light saturation (PAR > 1,000 μmolm-2s-1) on two dates and averaged.
↵w WUE was calculated by dividing Pn by E.
↵v Excavated soil with 50% of high quality compost.
↵u Excavated soil + Nitrophoska blu Spezial, 1 kg.
↵t Excavated soil + leonardite, 2 kg of commercial product Humisol.
↵s Holes backfilled with excavated soil.
r Means within columns followed by different letters are significantly different from each other using LSD test, α = 0.05 level.
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