FODDER CROPS AND I'AMTRES 171 



is meant by a pasture? 19. What is permanent pasture? 

 20. What sort of crops must be planted to form a perma- 

 nent pasture? 21. What Is meant by a turf? 22. How does 

 turf protect the soil? 23. What is meant by a grass garden? 

 24. What is a temporary pasture? 25. Why does not 

 pasturing exhaust the soil? 



