These units of instructional materials and teaching aids are the final four of a series of 10 designed for use in metropolitan agriculture/horticulture programs for students in grades 9 and 10. Covered in the unit on growing and managing horticultural crops are watering plants; pruning, pinching, and planting plants; using plant production equipment; understanding and controlling light and temperature around plants; and growing vegetables. Identifying and controlling horticultural plant pests and the safe use of pesticides are examined. Discussed next are the care and feeding of the family dog, cat, and horse. Pasteurizing and preparing a growing media for the greenhouse; collecting soil samples from the greenhouse, garden, and lawn and applying test results; and identifying soil amendments and their functions are described in the unit on soil science and conservation of natural resources. Each of these units or problem area packets includes some or all of the following components: suggestions to the teacher, a content outline, a teacher's guide, information sheets, student worksheets or assignment sheets and keys, demonstrations, job sheets, transparencies, a discussion guide for the transparencies, and sample test questions and a teacher's key. (The remaining six units are available separately--see note.) (MN)