Effect of some agricultural treatments on the Egyptian alfalfa weevil, Hypera brunneipennis and their economic evaluation on yield and yield components in Egypt.

Background: The Egyptian alfalfa weevil, Hypera brunneipennis causes damage on different parts of alfalfa plants. Therefore, four agricultural treatments are carried out included calcium super phosphate addition (15.5% P O ), potassium sulphate addition (50% K O), microelements spraying and hand removing of weeds to reduce the population of the Egyptian alfalfa weevil and increase both the final yield and obtain a healthy plant.