Effects of inorganic nitrogen form on growth, morphology, N uptake, and nutrient allocation in hybrid Napier grass (Pennisetum purpureum × Pennisetum americanum cv. Pakchong1)
© 2014 . Plant cultivars with high biomass production may have a high potential for being used in integrated water treatment and plant production system. The highly productive hybrid Napier grass cultivar, Pennisetum purpureum × Pennisetum americanum cv. Pakchong1, may be a candidate species for bei...
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th-cmuir.6653943832-387802015-06-16T07:54:13Z Effects of inorganic nitrogen form on growth, morphology, N uptake, and nutrient allocation in hybrid Napier grass (Pennisetum purpureum × Pennisetum americanum cv. Pakchong1) Jampeetong,A. Brix,H. Kantawanichkul,S. Management, Monitoring, Policy and Law Nature and Landscape Conservation Environmental Engineering © 2014 . Plant cultivars with high biomass production may have a high potential for being used in integrated water treatment and plant production system. The highly productive hybrid Napier grass cultivar, Pennisetum purpureum × Pennisetum americanum cv. Pakchong1, may be a candidate species for being used in such systems. We studied the effects of inorganic nitrogen form (NH4 +, NH4NO3 or NO3 -) on growth, morphology, N uptake, water content and mineral allocation in this species under hydroponic conditions at equimolar concentrations (500μmolNL-1). Generally, the N-form significantly affected growth, biomass allocation and tissue nutrient and mineral composition of the plants. The hybrid Napier grass grew better on NH4 + compared to NO3 -, and the plants supplied with NH4 + contained three times more chlorophylls than plants supplied with NO3 - alone or NO3 - combined with NH4 +. The morphology of the plants was, however, not affected by N source, except for the shoot to root ratio, which was lower in NH4 +-fed plants. The relative water content of the leaves was lowest in the NH4 +-fed plants, but the transpiration rate was not affected, indicating that NH4 + nutrition and the associated low tissue concentration of K had negative effects on the water use efficiency of the plants.The study suggests that this hybrid Napier grass cultivar may be a new candidate species for use in integrated water treatment and plant production systems. 2015-06-16T07:54:13Z 2015-06-16T07:54:13Z 2014-12-01 Article 09258574 2-s2.0-84908004380 10.1016/j.ecoleng.2014.09.078 http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84908004380&origin=inward http://cmuir.cmu.ac.th/handle/6653943832/38780 Elsevier |
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Management, Monitoring, Policy and Law Nature and Landscape Conservation Environmental Engineering Jampeetong,A. Brix,H. Kantawanichkul,S. Effects of inorganic nitrogen form on growth, morphology, N uptake, and nutrient allocation in hybrid Napier grass (Pennisetum purpureum × Pennisetum americanum cv. Pakchong1) |
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© 2014 . Plant cultivars with high biomass production may have a high potential for being used in integrated water treatment and plant production system. The highly productive hybrid Napier grass cultivar, Pennisetum purpureum × Pennisetum americanum cv. Pakchong1, may be a candidate species for being used in such systems. We studied the effects of inorganic nitrogen form (NH4 +, NH4NO3 or NO3 -) on growth, morphology, N uptake, water content and mineral allocation in this species under hydroponic conditions at equimolar concentrations (500μmolNL-1). Generally, the N-form significantly affected growth, biomass allocation and tissue nutrient and mineral composition of the plants. The hybrid Napier grass grew better on NH4 + compared to NO3 -, and the plants supplied with NH4 + contained three times more chlorophylls than plants supplied with NO3 - alone or NO3 - combined with NH4 +. The morphology of the plants was, however, not affected by N source, except for the shoot to root ratio, which was lower in NH4 +-fed plants. The relative water content of the leaves was lowest in the NH4 +-fed plants, but the transpiration rate was not affected, indicating that NH4 + nutrition and the associated low tissue concentration of K had negative effects on the water use efficiency of the plants.The study suggests that this hybrid Napier grass cultivar may be a new candidate species for use in integrated water treatment and plant production systems. |
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Article |
author |
Jampeetong,A. Brix,H. Kantawanichkul,S. |
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Jampeetong,A. Brix,H. Kantawanichkul,S. |
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Jampeetong,A. |
title |
Effects of inorganic nitrogen form on growth, morphology, N uptake, and nutrient allocation in hybrid Napier grass (Pennisetum purpureum × Pennisetum americanum cv. Pakchong1) |
title_short |
Effects of inorganic nitrogen form on growth, morphology, N uptake, and nutrient allocation in hybrid Napier grass (Pennisetum purpureum × Pennisetum americanum cv. Pakchong1) |
title_full |
Effects of inorganic nitrogen form on growth, morphology, N uptake, and nutrient allocation in hybrid Napier grass (Pennisetum purpureum × Pennisetum americanum cv. Pakchong1) |
title_fullStr |
Effects of inorganic nitrogen form on growth, morphology, N uptake, and nutrient allocation in hybrid Napier grass (Pennisetum purpureum × Pennisetum americanum cv. Pakchong1) |
title_full_unstemmed |
Effects of inorganic nitrogen form on growth, morphology, N uptake, and nutrient allocation in hybrid Napier grass (Pennisetum purpureum × Pennisetum americanum cv. Pakchong1) |
title_sort |
effects of inorganic nitrogen form on growth, morphology, n uptake, and nutrient allocation in hybrid napier grass (pennisetum purpureum × pennisetum americanum cv. pakchong1) |
publisher |
Elsevier |
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2015 |
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http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84908004380&origin=inward http://cmuir.cmu.ac.th/handle/6653943832/38780 |
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1681421535575801856 |