Shading effects of alley cropped Leucaena leucocephala on weed biomass and maize yield at Mtwapa,Coast Province,Kenya |
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| Authors: | Bashir Jama Amare Getahun D N Ngugi |
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| Institution: | (1) School of Forest Resources and Conservation, Department of Forestry, University of Florida, 32611 Gainesville, FL, USA;(2) International Council for Research in Agroforestry (ICRAF), P.O. Box 30677, Nairobi, Kenya |
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| Abstract: | Reductions of up to 90% in weed biomass was observed under Leucaena leucocephala alley cropping with varying tree between (2,4 and 8 m) and within-row spacing combinations when compared to crop-only control. An increase of 24 to 76 % in maize yields of alley cropped plots compared to the crop-only control was also recorded. The 2m alley widths closed canopy faster than the 4 and 8m, and hence realized highest weed biomass reduction during the short-fallow period between two cropping seasons. At the end of the short fallow period, substantial fuelwood (up to 8 t ha –1) was realized. |
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| Keywords: | Leucaena alley cropping shade fallow period weed biomass maize yield coastal Kenya |
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