UJ 



u 



< 



to 



ID 



o 



X 



8 

 6 

 4 







Crushed Wagon Dried with Heat 



Y = 2.1321 - 0.0583X + 0.28809X^ 



Crushed Field Cured and Crushec 

 Barn Dried without Heat 



Y = 1.9712 0.1507X + 0.2888X- 



Field Cured 

 Y- 1.4371 



0.1259X + 0.1728X- 







UJ 



U 

 < 



UJ 

 CL 



CO 



q:: 



o 



X 



YIELD PER ACRE (TONS) 



Figure 7. Machinery and Labor Requirements Per Acre 

 as Yield Varies for Selected Systems of Harvesting 



Flail Cut Flail Harvest 



Y= 1.6541 1-0.3229X + 0.1283X' 



6 - 



Wilted Grass Silage 

 Y = 0.771 3 0.2003X 







YIELD PER ACRE (TONS) 



Figure 8. Machinery and Labor Requirements Per Acre 

 as Yield Varies for Selected Systems of Harvesting 



and 11 represent the niaxiniuni number of acres and tons of forage that 

 could be mowed, harvested, and stored per day. The maximum 1 day 

 workload is to (a) mow and harvest a given number of acres, or (b) 

 to harvest and store 2 mowings. A yield of less than 0.5 tons per acre 

 was not harvested because it was assumed to be an uneconomical altern- 

 ative. 



20 



