This curriculum guide, the third volume of the series, outlines the basic program of vocational agriculture for Louisiana students in the ninth and tenth grades. Covered in the five units on plant science are growth processes of plants, cultural practices for plants, insects affecting plants, seed and plant selection, and diseases that affect plants. Dealt with in the five units on animal science are types, breeds, and origins of livestock and poultry; methods of evaluating livestock; diseases and parasites of livestock; nutrition of livestock; and principles of breeding livestock. Each instructional unit contains some or all of the following: student objectives, suggested review teaching materials, lists of materials and audiovisual equipment needed to complete the lesson, pertinent field trip activities, student motivation techniques, an outline of the content of the lesson, student activities, study questions, transparency masters, and information sheets. (MN)