Journal of Applied Agricultural Science and Technology (JAAST) is published by Politeknik Pertanian Negeri Payakumbuh. This Journal focuses on Applied Agricultural Science And Applied Agricultural Technology in particular Crop Production, Crop Protection, Food Sciences, Food Technology, Agricultural Economics, Agricultural Statistics, Bioinformatics, Agricultural Mechanization, Farm Structure, Farm Power, Machinery, Irrigation and Drainage, Land and Water Resources Engineering, Renewable Energy, Environment and Agricultural Information Technology.