Effects of Planting Destiny and Weeding Regimes on Forage and Grain Yield of Maize

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National Agricultural Research Centre
Maize is a major food and forage crop in Kenya and planting density and weeding regime influence yield. The effects of weeding regimes and maize planting density on maize forage, grain yield and quality were evaluated during the 200112 short rains and long rains of2002 at Kenya Agricultural Research Insitute, Muguga in Central Kenya. Weeding regimes were weed free (WI), weedy (W2), herbicide (W3) and hand weeding twice (W4). Maize densities were 9 (01) and 18 plants m·2 (02) intercropped with beans. Maize was thinned at 98 OAE at tasseling stage and assessed for forage yield and quality. Stover and edible weeds biomass yield and quality were also assessed. Soil moisture content down the profile, PAR interception, weed density, maize height and rate of tasseling was determined gradually over the season. Maize yield and bean biomass was also determined. The collected data was analysed using GENST A T software and their means separated with LSD at P = 0.05.