تاثير الكثافة النباتية و مواعيد الزراعة في انتاجية بعض اصناف فول الصويا تحت ظروف منطقة الساحل السوري

This search is conducted on Bouka Farm affiliated with the Faculty of Agriculture at Tishreen University during 2006 and 2007 growing seasons, using three Soybean cultivars Sb-44, Sb-314 and Sb-273. seeds have been sown on the tenth of May and fifteenth of June, being the main and intensive planting dates, respectively; botanic densities are 200 and 400 thousand plants/h., and the results demonstrate the following: 1) For most parameters at issue, cultivar Sb-273 is the best of all others (Sb-44, Sb-314) in all treatments, and has recorded the highest seed yield (5298.89kg/h) in comparison with the other two cultivars. 2) A botanic density of 400 thousand plants/h has proven to be better than other tested botanic density of the cultivars concerned. 3) A main planting date (10th May) has proven to be better than the intensive planting date (15th June) of both the cultivars and parameters concerned except for the weight of (100) seeds.