GORS 15 - 1 Winter Field Crops Discrimination Using Remote Sensing Data in Al-Sweida Gavrnrate

Abstract

Abstract: The study was carried out in the governorate of Sweida for the agricultural season 2014-2015 to study the spectral behavior of wheat, barley and chickpea crops during the various stages of the plant life and to determine the optimal period for distinguishing them from each other using the HandHeld2 radiometer to determine the optimal date for importing satellite images (BKA) for classification and calculation of these crops area. The governorate was divided into four sectors, in which the selected fields were distributed, each sector included 17 experimental fields (17 wheat, 19 barley and 18 chickpeas), with a total of 68. The spectral reflection was recorded at a rate of once every 15 days of the beginning of the growth season until harvest almost. The results showed that the best spectral range for separating and distinguishing crops while they were in the ground at the same time was the near-infrared range. The best time to distinguish wheat and barley crops was to differentiate them at fourth spectral channel during the period from 5 May to 20 June, and best time for third crops was the period from May 5 to May 21, and if the maturity of barley late was the period Optimal from 30 June to 20 June. It is recommended that the BKA sensor data to be request in the indicated date as far as possible for use in estimating crop area of winter crops for the study area (Sweida governorate). Key words: Crops Discrimination, Wheat, Barley, Chickpea.