1999
DOI: 10.1626/pps.2.109
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Interaction between N Application and Water Management in Dry-Seeded Rice

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Cited by 6 publications
(8 citation statements)
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“…The amount of nitrogen required to produce 1 g of panicle weight was smaller in DF than in SF over the whole planting plots. Won et al (1999a) reported similar results that the utilization efficiency of indigenous soil nitrogen was improved by deep-fl ood treatment of dry-seeded rice cultivation, and they also suggested that this might increase the yield. Thus, the difference in the nitrogen requirement for producing 1 g of panicle weight in this study seems to be interesting, but it is not clear whether the difference was caused by tiller restriction or canopy structure improvement (ex.…”
Section: Panicle Number and Panicle Weight And Nitrogen Contents Of Smentioning
confidence: 63%
“…The amount of nitrogen required to produce 1 g of panicle weight was smaller in DF than in SF over the whole planting plots. Won et al (1999a) reported similar results that the utilization efficiency of indigenous soil nitrogen was improved by deep-fl ood treatment of dry-seeded rice cultivation, and they also suggested that this might increase the yield. Thus, the difference in the nitrogen requirement for producing 1 g of panicle weight in this study seems to be interesting, but it is not clear whether the difference was caused by tiller restriction or canopy structure improvement (ex.…”
Section: Panicle Number and Panicle Weight And Nitrogen Contents Of Smentioning
confidence: 63%
“…However, the panicle number per hill decreased when the deep treatment period was extended to a certain growth stage, (Nishiki et al, 1987;Watanabe et al, 2006) and the yield decreased (Nishiki et al, 1987;Watanabe et al, 2006), or the plants became more susceptible to lodging (Ohe and Mimoto, 1998). Deepfl ooding irrigation effectively suppressed the development of non-productive and weak tillers, and promote that of productive tillers also under the conditions of direct seeding culture (Won et al, 1999;Ohe et al, 2010). However, the effects of deep-flooding irrigation on the grain quality have not yet been examined in direct seeding culture.…”
mentioning
confidence: 99%
“…Chiba et al (2009) suggested that the effects of deepfl ooding treatment on grain quality may be attributed to the improvement in source activity, i.e., photosynthetic activity in addition to the decrease in number of spikelets per unit area (sink size reduction). In addition, Won et al (1999) showed that the nitrogen content in the flag leaf was higher in plants grown with deep-flooding irrigation than ordinary water management (shallower water depth).…”
mentioning
confidence: 99%
“…El manejo del agua mostró efectos significativos sobre el porcentaje de tallos productivos, mostrando valores superiores en condiciones de lámina continua a 7 cm (Tabla 27 crecimiento vegetativo favorecido por W2 provocó un aumento excesivo del área foliar que desembocó una disminución de la eficiencia del ahijamiento por los efectos de sombreo entre las hojas de la misma planta (Zhong, et al, 2002) y por una menor concentración de nitrógeno (Wu, et al, 1998) (Zhong, et al, 2002) a partir del cual cesa la aparición de tallos. Asimismo, Won, et al (1999a) observaron que el nitrógeno foliar en la hoja bandera era superior en láminas profundas de aguas (25 cm) respecto las más superficiales (3 cm), lo que podría explicar también a través de este razonamiento la mayor supervivencia en W1.…”
Section: 233c Fertilización Nitrogenada Y Manejo De Aguaunclassified
“…En diversos estudios se ha descrito la repercusión negativa en el rendimiento de un crecimiento vegetativo excesivo (Shahidullah, et al, 2009) por representar una pérdida de asimilados a través de la senescencia de los tallos (Lauer y Simmons, 1988), porque disminuye la concentración de nitrógeno foliar (Won, et al, 1999a) y por la pérdida de carbono por el mantenimiento de la respiración (Bueno y . Por otro lado, otros trabajos concluyen que favorecer el ahijado precoz y localizado en los nudos inferiores favorece el rendimiento del cultivo a través de la formación de la cubierta vegetal más temprana, permitiendo una mayor y rápida acumulación de asimilados que repercutirá en la productividad del cultivo (Lafarge, et al, 2004b).…”
Section: Control Del Ahijamiento a Través Del Manejo De Aguaunclassified