Contents: Preface. 1. Grass--its form and physiological function. 2. Assimilation of nitrogen and material transformation in plants. 3. Improvement of forage crops by breeding for yield and quality. 4. Breeding strategies of forage grasses. 5. Cytogenetics and breeding of forage grasses. 6. Evolution of breeding methodology for improvement of forage crops. 7. Forage legumes. 8. Botany of some forage crops. 9. Exploration of heterosis through interespecific hybridization in forage crops. 10. Resume of research work on forage crops in Tamilnadu. 11. Minor forage crops. Subject index. Species index. Author index. Appendices