QUESTIONS 397 



15. How is alfalfa usually sown? 



16. What amount of seed is used per acre? 



17. Give the best method of inoculation. 



18. What are the best times for sowing alfalfa? 



19. What precautions are observed in fall sowing? 



20. State time to harvest alfalfa. 



21. Where is the seed crop grown? 



22. What climatic conditions are required? 



23. Describe the culture of alfalfa in rows. 



24. Give principal reasons for and against the cultivation of alfalfa fields. 



25. Name precautions to be observed in pasturing. 



26. Describe the principal diseases and insect enemies of alfalfa. 



