Yield response of different local and hybrid rice varieties to different ponding depths of water

Abstract: 
The combined increase in demand for food and scarcity of water worldwide necessitates saving water and increasing its productivity. This study determined varietal performance of four paddy cultivars - TXD306, TXD220, TXD88 and SUPA in terms of yield as influenced by four different ponding levels. The study assessed the yield and water productivity for each ponding depth, the differences in seepage and percolation as a result of differences in hydrostatic pressure. Results showed no significant difference in yield of varieties as a result of ponding treatments. This implies that a lot of water can be saved for other uses if the optimum ponding level, i.e., zero level is adopted.
L’augmentation combinée de la demande en nourriture et de la pénurie de l’eau dans le monde entier nécessite d’économiser l’eau et d’augmenter sa productivité. Cette étude a déterminé la performance typique de quatre cultivars de riz non décortiqué - TXD306, TXD220, TXD88 et SUPA en terme de rendement comme influencé par quatre niveaux d’accumulation d’eau différents. L’étude a évalué le rendement et la productivité en eau pour chaque profondeur d’accumulation, les différences dans l’infiltration et la percolation en raison des différences de pression hydrostatique. Les résultats n’ont montré aucune différence significative dans le rendement de variétés en raison des traitements d’accumulation. Ceci implique qu’une grande quantité d’eau peut être économisée pour d’autres usages si le niveau optimal d’accumulation c.-à-d., le niveau zéro est adopté.
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Date of publication: 
2010
Country: 
Region Focus: 
East Africa
University/affiliation: 
Collection: 
RUFORUM Conferences and Workshops
Licence conditions: 
Open Access
Access restriction: 
Form: 
Printed resource
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E_ISSN: 
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Extent: 
209-212
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"The 2010 RUFORUM Biennial Conference was the second in the series. The main objective of the Biennial conferences is to provide a platform for agricultural research for development stakeholders in Africa and beyond to actively exchange findings and experiences, while at the same time learning lessons towards improving performance of the agricultural sector and ultimately people’s livelihoods. The biennial conference is RUFORUM’s most comprehensive meeting for the diversity of stakeholers in agriculture. It is especially dedicated to graduate students and their supervisors, grantees in RUFORUM member universities and alumni. It is a platform for peer review, quality control, mentorship, networking and shared learning. This record contains an extended abstract accepted under the theme of agronomy".