Growth and physiology of deciduous shade trees in response to controlled-release fertilizer

Klooster, Wendy S.; Cregg, Bert M.; Fernandez, R. Thomas; Nzokou, Pascal

doi:10.1016/j.scienta.2011.12.009

Cited by 33 publications

(32 citation statements)

References 21 publications

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“…Nutrient availability affects plant biomass allocation, and an increased amount of nutrients often decreases root biomass allocation (Poorter and Nagel 2000). However, in this study and similar to Klooster et al (2012) in Quercus rubra L., there were no changes in growth, biomass allocation or specific leaf area when increasing the fertilizer dose. As we did not measure tissue nutrient concentration we speculate that N. leonii appears to take up available nutrient beyond their current needs and store it in stems and roots (i.e.…”

Section: Treatmentcontrasting

confidence: 46%

Effects of shading and slow release fertilizer on early growth of Nothofagus leonii seedlings from its northernmost distribution in Central Chile

Santelices¹,

Espinoza²,

Cabrera³

2015

Bosque (Valdivia)

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Section: Treatmentcontrasting

confidence: 46%

Effects of shading and slow release fertilizer on early growth of Nothofagus leonii seedlings from its northernmost distribution in Central Chile

Santelices¹,

Espinoza²,

Cabrera³

2015

Bosque (Valdivia)

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“…With the aim to control nutrient loss through leaching, fertilization using controlled release fertilizer (CRF) is an available method (Alva, 1992;Murray et al, 1996;Hangs et al, 2003;Klooster et al, 2012). Additionally, production of large tree stock using large-volume containers has been proven to be highly efficient with CRF (Murray et al, 1996;South et al, 2005;Dumroese et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

“…Additionally, production of large tree stock using large-volume containers has been proven to be highly efficient with CRF (Murray et al, 1996;South et al, 2005;Dumroese et al, 2011). However, effects of CRF on seedling performance seemed to be derived mainly from nutrient availability, hence response of seedling growth replies on the interaction of tree species and CRF but not on single impact from CRF (Oliet et al, 2004;Klooster et al, 2012). Therefore, the question remains: how growth of slowly growing seedlings can be promoted with controlled nutrient leaching with CRF used in a large container.…”

Section: Introductionmentioning

confidence: 99%

Prediction of Nutrient Leaching from Culture of Containerized Buddhist Pine and Japanese Maple Seedlings Exposed to Extended Photoperiod

Zhu¹,

Hui-chun²,

HongXu³

et al. 2016

IJAB

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Leachate nutrients from the nursery of containerized tree seedlings result in risks of inefficient fertilization through nutrient loss and contamination of ground water. In the present study, seedlings of Buddhist pine (Podocarpus macrophyllus) and Japanese maple (Acer palmatum) were cultured in containers of three differing sizes under contrasting photoperiods of naturally 11 h per day and an extended one of 20 h per day. Controlled release fertilizer (CRF, 14-14-14) was used to feed seedlings with sufficient nutrients for 5 months from June to November 2014. At the end of experiment, seedlings from all types of containers were measured for height and root collar diameter, whilst leachates were collected to determine nutrient concentrations of available phosphorus (P), potassium (K), ammonium and nitrate nitrogen (N) therein. Growth of both seedling species increased with the volume of container, but only growth of Japanese maple seedlings responded to photoperiod. In spite, there was greater amount of nutrients leached from containers planted with Buddhist pine than with Japanese maple; nearly no nutrient in the leachate affected by photoperiod. A negative correlation was found between concentrations of leachate nutrients and seedling height growth in all container sizes. In conclusion, nutrient leaching is a nonignorable but predictable factor by seedling height growth during the intensive culture of slowly growing seedlings of ornamental trees under the extended photoperiod.

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“…Chlorophyll concentrations in leaves from the grassland were correlated with leaf Fe and Mg content (r = 0.88; p \ 0.0001 and r = 90; p \ 0.0001, respectively) but not with leaf N content (r = 0.27; p [ 0.05). Mg and Fe play crucial roles in the chlorophyll molecule and photosynthesis, and SPAD readings were closely related to levels of these foliar elements (Klooster et al 2012;Lombard et al 2010). The unreliable relationship between leaf chlorophyll and N concentrations on the grassland may be a consequence of the impact of N Agroforest Syst (2017) 91:307-324 315 concentration and distribution within the leaf and also other factors on SPAD readings (Klooster et al 2012;Lombard et al 2010).…”

Section: Morphophysiological Characteristics Of Leaves and Fine Rootsmentioning

confidence: 99%

Poplar growth and wood production on a grassland irrigated for decades with potato starch wastewater

2016

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Irrigation of grasslands with potato starch wastewater causes changes in soil quality parameters, often resulting in decreased crop yields and sometimes causing animal diseases. Reduced agricultural income leads to designation of such grasslands for afforestation aimed at production of bioenergy crops and improvement of soil quality. In this study, Populus alba L. and seven different poplar clones were planted in 2009 on the grassland irrigated in 1973-2008 with potato starch wastewater and in non-irrigated, experimental forest. The survival, growth and wood production potential of planted poplars after 2-3 growing seasons were analyzed. Morphophysiological parameters of leaves, nutrients in leaves and fine roots, sugars in fine roots, leaf rust resistance, frost hardiness and their effects on growth were also determined. Stem diameter and stem volume index of poplars growing on the grassland were higher than in the experimental forest. Only Populus deltoides Bartr. 9 P. maximowiczii Henry clone 'Eridano' (in short ERI) had a survival rate of 100 % and the highest values of stem diameter (77 mm) and stem volume index (0.034 m 3 ) in comparison with other poplars in both sites after 3 growing seasons. Clone ERI was also characterized by a high leaf rust resistance and frost hardiness. The results suggest that clone ERI is suitable as a bioenergy crop on grasslands irrigated with potato starch wastewater. Afforestation of the grassland improved the fertility of the soil by increasing concentrations of soil organic matter and availability of mineral nutrients (N, P, K, S and Fe).

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Growth and physiology of deciduous shade trees in response to controlled-release fertilizer

Cited by 33 publications

References 21 publications

Effects of shading and slow release fertilizer on early growth of Nothofagus leonii seedlings from its northernmost distribution in Central Chile

Effects of shading and slow release fertilizer on early growth of Nothofagus leonii seedlings from its northernmost distribution in Central Chile

Prediction of Nutrient Leaching from Culture of Containerized Buddhist Pine and Japanese Maple Seedlings Exposed to Extended Photoperiod

Poplar growth and wood production on a grassland irrigated for decades with potato starch wastewater

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