EXERCISE 21 (Continued) 



Aim 7. Discuss with one of the alfalfa growers whom you visit such 

 questions as: 



(1) The use of nurse crops. 



(2) Time of planting. 



(3) Amount of seed per acre. 



(4) Number of cuttings per season and date of last cutting. 



(5) Winterkilling. 



(6) Inoculation. 



(7) Liming. 



(8) Cultivation. 



(9) Making hay. 



(10) Pasturing. 



Reference. Montgomery, E. G. ; Productive Farm Crops (LIPPINCOTT), 

 Chap. XLI. 



FIG 38. Root system of alfalfa showing crown and nodules. The long tap root may extend to a depth 



of many feet. (U. S. D. A.) 



66 



