Aims
To teach the trainees the use and operational maintenance requirements of the knapsack sprayer so that trainees will be able to carry out an effective spray programme.To teach the correct mixing and filling procedure for a knapsack sprayer so that correct mixtures and chemical strengths are achieved without contamination.

Objectives
Using the knapsack sprayer trainees will be able to spray a selected crop to a prescribed application rate and to the required crop coverage specifications in the field.Given a sample chemical instruction leaflet and suitable utensils and equipments the trainee will be able to fill the knapsack sprayer with the required strength of chemical mixture without spoilage or contamination and following normal safety procedures.