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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/21231


Title: Yield response of Bambara groundnut to plant population and seedbed type
Authors: Mkandawire, F. L.
Sibuga, K. P.
Keywords: Harvest index, leaf area index, population density, seedbed, Tanzania, Vigna subterranea  
Indice de récolte, indice de surface foliaire, densité de la population, semis, Tanzanie, Vigna subterranea  
Issue Date: 31-Dec-2002
Publisher: African Crop Science Society
Citation: African Crop Science Journal (ISSN: 1021-9730) Vol 10 Num 1
Abstract: A field experiment to study the effect of plant population and seedbed type on yields of bambara groundnuts was conducted at Morogoro in Tanzania. The experiment was designed with three seedbed types split-plot; flat, ridge and furrow in the main plots and bambara groundnut population densities (9, 13, 22 and 66 plants m-2) in the sub plots. At 63 days after sowing (DAS), leaf area index (LAI) was highest for 66 plants m-2 and/or when planted on the ridge. In the short rain season, bambara groundnuts planted in the furrow at 13 plants m-2 had the highest (P≤ 0.05) grain yields (519.2 kg ha-1) and harvest index (62.5). Shelling percentage values were highest across all seedbed types (average 74.2%) at 13 plants m-2. In the long rains, LAI was also the highest (P≤ 0.05) for 66 plants m-2 at 63 DAS, but differences in LAI between seedbed types were not significant. Crop performance at 22 plants m-2 on a flat seedbed, earthed at weeding, was generally superior as it gave the highest (P≤ 0.05) pod yield (798 kg ha-1), grain yield (585.1 kg ha-1), and harvest index (75.0). In both the short and long rainy seasons, yields were significantly reduced to the lowest level at 66 plants m-2 regardless of the seedbed type.
URI: http://hdl.handle.net/1807/21231
Other Identifiers: http://www.bioline.org.br/abstract?id=cs02005
Rights: Copyright 2002 - African Crop Science Society
Appears in Collections:Bioline International Legacy Collection

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