الفهرس | Only 14 pages are availabe for public view |
Abstract Weads are a major problem in nuseries and orchards In A.R,E., the control of weeds has been being carried out by hand hoeing and rarely by mechanical hoeing hand or mechanical hoeing usually destroys part of the important shallow roots found at the depth of the first 20 cm in the soil besides the workers are getting rare wages are increasing their efficiency is decreasing, This may hinder the owners of the orchards from frequent control of weeds by this method. |