RELATIVE ADVANTAGE OF WEED CONTROL METHODS APPLIED IN SPRINKLER AND DRIP IRRIGATED SYSTEMS IN TOMATO CULTIVATIONS IN EGYPT'S NEWLY RECLAIMED LANDS

Document Type : Original Article

Authors

Ag. Eng. Dept., Fac. of Ag., Ain Shams Univ., Shoubra El-Kheima, Cairo, Egypt

Abstract

This study, based on a collaborative project with the Regional Council for
Research and Agricultural Extension, was carried out at an experimental farm of a
sandy soil belonging to Faculty of Agriculture, Ain Shams University, El-Bustan
Region, Beheira Governorate, during two seasons (2004&2005) on an area of 5850
m2. The experiment was designed in a split plot, arranged in a randomized complete
blocks with three replications. Irrigation operations [Drip(DI)/Sprinkler(SI)] were
assigned to the main plots, while weed control methods (hoe weeding/herbicide used
through either conventional spraying with 0.300kg/fed concentration or herbigation
with three herbicide concentrations of 0.150, 0.225 and 0.300kg/fed.) were assigned
to the subplots. The data were statistically analyzed by the Least Squares Method
using a model involving the two factors (irrigation system and weed control method)
and their interaction as affecting eradication percent, tomato yield/fed., and cost of
control operation. The effect on herbicide residues in the tomatoes was also
investigated

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