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Maize yields under coppicing and non coppicing fallows in a fallow–maize rotation system in central Zimbabwe

OAR@ICRISAT

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Relation http://oar.icrisat.org/4131/
http://dx.doi.org/10.1007/s10457-011-9453-9
 
Title Maize yields under coppicing and non coppicing fallows in a fallow–maize rotation system in central Zimbabwe
 
Creator Nyamadzawo, G
Nyamugafata, P
Wuta, M
Nyamangara, J
 
Subject Maize
 
Description Fallowing can improve crop yields as a result of improved soil fertility and nutrient status. The objective of this work was to determine the effects of fallows and pruning regimes in coppicing fallows on soil moisture and maize yields under conventional tillage (CT) and no tillage (NT). Fallows that were evaluated were coppicing Acacia angustissima, non coppicing Sesbania sesban, natural fallow (NF) and continuous maize. In 2000/2001 season, maize yields were significantly different (P < 0.05) among treatments and were; 1.8, 1.2, 0.7 and 0.5 tonnes per hectare (t ha−1) under CT, while under NT yields were 1.3, 0.8, 0.7 and 0.2 t ha−1 for A. angustissima, maize, S. sesban and NF plots respectively. In 2001/2002 season, yields decreased in the order S. sesban > continuous maize > NF > A. angustissima, for both CT and NT. The 2-week pruning regime had significantly higher maize yields when compared to the 1 and 3 week pruning regime during the 2002/2003 cropping season. For the three seasons, CT had significantly higher yields than NT. A. angustissima had significantly higher mean available water at suctions
 
Publisher Springer Netherlands
 
Date 2011
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/4131/1/Agrofores_Syst_Online_2011.pdf
Nyamadzawo, G and Nyamugafata, P and Wuta, M and Nyamangara, J (2011) Maize yields under coppicing and non coppicing fallows in a fallow–maize rotation system in central Zimbabwe. Agroforestry Systems. pp. 1-14. ISSN 1572-9680