Part of a series of eight student learning modules in vocational agriculture, this booklet deals with plant reproduction. Topics covered include the pure line theory and its history, pure line selection, the effect of inbreeding on vitality, the definition of and reasons for hybridization in plants, and techniques for producing hybirds; a list of…

This module discusses some of the objectives of incorporating vegetative cover in land treatment systems. Specific crops and forest cover are mentioned in relation to benefits associated with each, and specific treatment alternatives (irrigation, overland flow, and rapid infiltration) are included in relation to vegetative cover considerations.…

This packet contains six units of informational materials and transparency masters, with accompanying scripts, for teachers to use in a plant science course in vocational agriculture. Designed especially for use in Texas, the first unit introduces the course through the following topics: economic importance of major crops, major areas of…

This trainer's guide is intended to assist supervisors of work-based career training projects in helping students integrate crop records and market returns with computer analysis and interpretation of results. The guide is one in a series of core curriculum modules that is intended for use in combination on- and off-the-job programs to familiarize…