They studies the control and use of insects
Entomologist
determines the appropriate treatments, techniques and pre-harvest measures to maintain product quality
Post Harvest Technologist
Farming was mainly done for there own purpose and on survival level
Pre Colonial Time
Determines the best possible mix feed animals for maximum production
Animal Nutritionist
identifies, prevent and controls diseases in plants
Plant Pathologist
Modern time farming method and there are a lot of technology use and machinery
Post- Colonial
treats and prevents diseases in animals
Veterinarian
grows flowering and foliage plants
Horticulturist
Mainly on time of crops were planted on a large pieces of land and large manual labor force was required
Colonial times
the link between farmers and the government or researcher; offers advice and assistance
Extension Officer
Designs, modifies and maintains buildings, machinery and equipment
Agricultural Engineer
digging sticks, stone tools, bow and arrows and spear were the main farming tools
Pre- Colonial time
responsible for the education of agriculture, food science and natural resources for students
Agricultural Teacher
studies the growth and growth conditions of crops
Agronomist
Mainly slaves were on these farm planting crops on large area of lands
Colonial time