Are these sentences appropriate please?

-Certificate in Field Crops Department in College of Agriculture at University of Aleppo.
-Certificate in National Test of English language from the Higher Institute of Languages at University of Aleppo.
-Certificate of Application in bachelor's degree in appreciation for excellence in all subjects at a rate of 93%.
-Member of the Association of Agricultural Engineers in Syria.

• Worked for Sophie Green House company in the field of greenhouses for different types of vegetables (fruiting cucumber, tomato, cabbage, cauliflower etc. and paper: spinach and arugula, etc.) for two years as a project manager for 450 plastic house.

• Worked for the day Awrad company one of the largest specialized companies importing seed potatoes as follows:

? Supervision of the cultivated potato fields to provide guidance needed to farmers in Kurdistan Region

? Responsible for the company's experiences in testing imported from international companies to plant varieties for the production of seed potatoes (Agrico, ipm, cermicopa and mejier).

? Worked as a project manager for the company's area of 350 acres Iraqi implanted the different varieties of potato.

? Responsible for processing 500 tons of potatoes in favor of Industrial Company (Liz) for chips exported to Saudi Arabia.

? Supervisor of the different irrigation experiences of several international companies (dotting - subsurface irrigation in favor of the US company(Irrigation sprinklers fixed coaxial)

• Worked in Shirroq Alnihar Company.
? Job Description:

? Marketing of pesticides, seed and fertilizer for the benefit of the company and follow-up of the farmers.
? Oversee the maize experiments at the company's terminal for imported varieties of international companies: monarsh, synginta, pioneer.

Thank you for your cooperation.