تاسم البحثplay youtubePort offers1PERFORMANCE OF CHISEL PLOW UNDER TILLAGE DEPTHS AND TRACTOR SPEED2دراسة بعض الصفات الفنية لنوع المفرطة بتاثير سرع التغذية ودرجة حرارة التجفيف واثرهما على القيمة الغذائية لمحصول الذرة الصفراء3STUDYING THE EFFECT OF TILLAGE DEPTHS AND PRACTICAL SPEED OF MECHANICAL UNIT ON SOME OF SOIL PHYSICAL PROPERTIES AND THE GROWTH OF MAIZE4ESTIMATING ECONOMICAL COSTS FOR OPERATING AGRICULTURAL MACHINES AND EQUIPMENT DURING PLOWING OPERATIONS5The effect of tillage depths and tractor speeds on technical indicators for rotary plow6EVALUATION OF SOME TECHNICAL INDICATORS OF THE LOCALLY MODIFIED SHELLER FOR CORN GRAIN7EVALUATION THE EFFECT OF TRACTOR SPEEDS AND TILLAGE DEPTHS ON SOME TECHNICAL INDICATORS FOR PLOW LOCALLY MANUFACTURED8Effect of locally manufactured implement on energy utilization efficiency and operating costs9STUDY THE EFFECT OF ANGULAR SPEED OF SHELLING CYLINDER ON SOME TECHNICAL INDICATORS FOR OPERATING MODIFIED SHELLER MACHINE