RELATIVE ADVANTAGE OF WEED CONTROL METHODS APPLIED IN SPRINKLER AND DRIP IRRIGATED SYSTEMS IN TOMATO CULTIVATIONS IN EGYPT'S NEWLY RECLAIMED LANDS
2006
Sahhar E.A. | K.F. El-Bagoury
This study, based on a collaborative project with the Regional Council forResearch and Agricultural Extension, was carried out at an experimental farm of asandy soil belonging to Faculty of Agriculture, Ain Shams University, El-BustanRegion, Beheira Governorate, during two seasons (2004&2005) on an area of 5850m2. The experiment was designed in a split plot, arranged in a randomized completeblocks with three replications. Irrigation operations [Drip(DI)/Sprinkler(SI)] wereassigned to the main plots, while weed control methods (hoe weeding/herbicide usedthrough either conventional spraying with 0.300kg/fed concentration or herbigationwith three herbicide concentrations of 0.150, 0.225 and 0.300kg/fed.) were assignedto the subplots. The data were statistically analyzed by the Least Squares Methodusing a model involving the two factors (irrigation system and weed control method)and their interaction as affecting eradication percent, tomato yield/fed., and cost ofcontrol operation. The effect on herbicide residues in the tomatoes was alsoinvestigated
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