Seedbank dynamics in conservation agriculture in southwestern Zimbabwe: Weed Seedbank Ecology

 
9783838325668: Seedbank dynamics in conservation agriculture in southwestern Zimbabwe: Weed Seedbank Ecology
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The influence of conservation agriculture (CA) on weed ecology has been a concern to many researchers across the world and that has culminated into this study. The trial was a factorial experiment with two factors laid out as a split plot design with tillage as the main plot factor and residue level as subplot factor with three replicates. Species richness (P>0.001) and grass weeds (P=0.003) were however significantly higher in the 0-5cm depth compared to the other two depths. A significant interaction (P=0.048) between tillage and sampling position revealed higher number of grass weeds in ripping under inter-row position compared to in-row positions and other tillage systems. All the nine main weed species and total weeds were not significantly affected by both tillage and residue levels. Eleucine indica (P=0.02), Setaria spp (P=0.004) and total weeds (P=0.003) were however higher in the 0-5cm compared to the other two depths. Although there were no direct effects of tillage and residue level on weeds the several interactions revealed that grass weeds, Setaria spp and E indica, C tridens and weed seed bank size will increase under CA systems.

Biografía del autor:

Ronald Mandumbu was born on 24 December 1976 in Mwenezi district of Masvingo Province, Zimbabwe. He did a BSc (Hons) in Crop Science and an Msc in Crop Protection both from the University of Zimbabwe. He is a lecturer at Bindura University of Science Education and teaches Weed Science Courses. He is married to Virginia.

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Ronald Mandumbu
Publicado por LAP Lambert Academic Publishing Nov 2011 (2011)
ISBN 10: 3838325664 ISBN 13: 9783838325668
Nuevo Taschenbuch Cantidad disponible: 1
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(Bergisch Gladbach, Alemania)

Descripción LAP Lambert Academic Publishing Nov 2011, 2011. Taschenbuch. Condición: Neu. Neuware - The influence of conservation agriculture (CA) on weed ecology has been a concern to many researchers across the world and that has culminated into this study. The trial was a factorial experiment with two factors laid out as a split plot design with tillage as the main plot factor and residue level as subplot factor with three replicates. Species richness (P0.001) and grass weeds (P=0.003) were however significantly higher in the 0-5cm depth compared to the other two depths. A significant interaction (P=0.048) between tillage and sampling position revealed higher number of grass weeds in ripping under inter-row position compared to in-row positions and other tillage systems. All the nine main weed species and total weeds were not significantly affected by both tillage and residue levels. Eleucine indica (P=0.02), Setaria spp (P=0.004) and total weeds (P=0.003) were however higher in the 0-5cm compared to the other two depths. Although there were no direct effects of tillage and residue level on weeds the several interactions revealed that grass weeds, Setaria spp and E indica, C tridens and weed seed bank size will increase under CA systems. 72 pp. Englisch. Nº de ref. del artículo: 9783838325668

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Ronald Mandumbu
Publicado por LAP Lambert Academic Publishing Nov 2011 (2011)
ISBN 10: 3838325664 ISBN 13: 9783838325668
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Descripción LAP Lambert Academic Publishing Nov 2011, 2011. Taschenbuch. Condición: Neu. Neuware - The influence of conservation agriculture (CA) on weed ecology has been a concern to many researchers across the world and that has culminated into this study. The trial was a factorial experiment with two factors laid out as a split plot design with tillage as the main plot factor and residue level as subplot factor with three replicates. Species richness (P0.001) and grass weeds (P=0.003) were however significantly higher in the 0-5cm depth compared to the other two depths. A significant interaction (P=0.048) between tillage and sampling position revealed higher number of grass weeds in ripping under inter-row position compared to in-row positions and other tillage systems. All the nine main weed species and total weeds were not significantly affected by both tillage and residue levels. Eleucine indica (P=0.02), Setaria spp (P=0.004) and total weeds (P=0.003) were however higher in the 0-5cm compared to the other two depths. Although there were no direct effects of tillage and residue level on weeds the several interactions revealed that grass weeds, Setaria spp and E indica, C tridens and weed seed bank size will increase under CA systems. 72 pp. Englisch. Nº de ref. del artículo: 9783838325668

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Ronald Mandumbu
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ISBN 10: 3838325664 ISBN 13: 9783838325668
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Descripción LAP Lambert Academic Publishing, Germany, 2011. Paperback. Condición: New. Aufl. Language: English. Brand new Book. The influence of conservation agriculture (CA) on weed ecology has been a concern to many researchers across the world and that has culminated into this study. The trial was a factorial experiment with two factors laid out as a split plot design with tillage as the main plot factor and residue level as subplot factor with three replicates. Species richness (P>0.001) and grass weeds (P=0.003) were however significantly higher in the 0-5cm depth compared to the other two depths. A significant interaction (P=0.048) between tillage and sampling position revealed higher number of grass weeds in ripping under inter-row position compared to in-row positions and other tillage systems. All the nine main weed species and total weeds were not significantly affected by both tillage and residue levels. Eleucine indica (P=0.02), Setaria spp (P=0.004) and total weeds (P=0.003) were however higher in the 0-5cm compared to the other two depths. Although there were no direct effects of tillage and residue level on weeds the several interactions revealed that grass weeds, Setaria spp and E indica, C tridens and weed seed bank size will increase under CA systems. Nº de ref. del artículo: KNV9783838325668

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Ronald Mandumbu
Publicado por LAP Lambert Academic Publishing Nov 2011 (2011)
ISBN 10: 3838325664 ISBN 13: 9783838325668
Nuevo Taschenbuch Cantidad disponible: 1
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Descripción LAP Lambert Academic Publishing Nov 2011, 2011. Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Neuware - The influence of conservation agriculture (CA) on weed ecology has been a concern to many researchers across the world and that has culminated into this study. The trial was a factorial experiment with two factors laid out as a split plot design with tillage as the main plot factor and residue level as subplot factor with three replicates. Species richness (P0.001) and grass weeds (P=0.003) were however significantly higher in the 0-5cm depth compared to the other two depths. A significant interaction (P=0.048) between tillage and sampling position revealed higher number of grass weeds in ripping under inter-row position compared to in-row positions and other tillage systems. All the nine main weed species and total weeds were not significantly affected by both tillage and residue levels. Eleucine indica (P=0.02), Setaria spp (P=0.004) and total weeds (P=0.003) were however higher in the 0-5cm compared to the other two depths. Although there were no direct effects of tillage and residue level on weeds the several interactions revealed that grass weeds, Setaria spp and E indica, C tridens and weed seed bank size will increase under CA systems. 72 pp. Englisch. Nº de ref. del artículo: 9783838325668

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