دراسة الخواص التشخيصية لبعض الترب الواقعة غرب النهر الكبير الشمالي يهدف هذا البحث لدراسة الخواص التشخيصية لبعض الترب الواقعة غرب النهر الكبير الشمالي ومحاولة تصنيف الترب المدروسة من خلال الخواص الممكن دراستها إلى المستوى التصنيفي المناسب
The study was conducted at Tishreen University, where laboratory experiments were carried out in the laboratories of the Faculty of Agriculture - Department of Soil and Water Sciences, while artificial rain experiments were conducted in the Tishreen 16 Dam lake area.
Field experiment was conducted during the season (2011-2012)at Bhanine village in Tartous city. Maize seeds of Ghouta 82 variety were planted in plastic pots filled with calcareous soil .Treatments including three levels of B( 0 , 3 , and 6 kg.ha-1)
as boric acid form and four levels of Zn (0 ,8,16 and 24 kg.ha-1) as zinc sulphate form added to the soil when it was preparation to farming , in a completely randomized block design with three replications, to study the effect of different levels of boron and zinc and their interactions on Maize growth and its contents of some nutrient elements . the readings that was taken plant length leaf area index ,wet and dry weight for plant in three growth stage: vegetative growth , start and end of flowering , stage , and evaluation concentration of N ,P , K ,B , Zn,Mn,Fe,Cu nutrients in the leaves at the back stages, in addition at havest stage.
