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Screening Sesbania for response to N and P combinations and adaptability in a medium-altitude environment in Malawi

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Title Screening Sesbania for response to N and P combinations and adaptability in a medium-altitude environment in Malawi
 
Creator Kanyama-Phiri, G.Y.
Dzowela, B.H.
Kategile, J.A.
 
Subject MALAWI
SESBANIA
SCREENING
PLANT RESPONSE
NITROGEN
PHOSPHORUS
ADAPTATION
EVALUATION
GROWTH
SESBANIA SESBAN
SESBANIA GOETZEI
FERTILIZERS
 
Description Growth parameters and dry-matter yield of Sesbania sesban and S. goetzei accessions were evaluated for adaptability and response to various nitrogen (N) and phosphorus (P) combinations. N and P fertilisation significantly increased canopy height, growth rate, number of primary branches per plant, stem diameter, leaf and fuelwood dry-matte ryield. This suggests that conservative starter doses of these macro-elements are essential for successful establishment, early growth and subsequent yield of Sesbania. Growth rate declined with advancing season and the onset of drought. A rate of 40 kg N/ha either singly or in combiantion with 50 kg P/ha resulted in a heavier loss of leaves as compared with either a rate of 50 kg P/ha or no fertiliser at all. Nitrogen seemed to increase leaf surface area which placed the plant at a disadvantage when mositure become limiting. These results provide a basis for more elaborate investigation involving more levels of combined N and P, with and without inoculation. The role of moisture stress on the growth behaviour and yield of the two Sesbania species studied warrants further investigation.
 
Date 2010-12-09T11:24:21Z
2010-12-09T11:24:21Z
1993
 
Type Conference Paper
 
Identifier ISBN 92-9053-266-1
https://hdl.handle.net/10568/2860
 
Language en
 
Publisher ILCA