Appendix table IV 5. Marginal value products for selected resources with 

 medium quality cows, $5.00 price of milk, various ratios of cow^s to 

 cropland and with and without sales of hay. 



Item 



.10 



Ratio of cows to fiophind 



.15 



.20 



.25 



.30 



..35 



.40 



.45 



.50 



Hay .s;iles at $2 7.00 per ton 



Cropland ($/acre) 22 



Dairy cow ($/head) 139 



Replacement ($/each) 320 



Buy hay ($/ton) 13 



Sell hay ($/ton) 27 



Marginal return 



over feed co.sts 307 

 ($/cow) 



Marginal rate of 



sub.stitution of — 6.3 

 cows for cropland 



20 



131 



320 



13 



27 



303 

 -G.5 



20 



122 



320 



14 



27 



300 

 -6.2 



20 

 110 

 320 

 14 



2 7 



300 

 -5.6 



20 

 110 

 32 

 14 

 27 



300 

 -5.6 



24 

 10(5 

 320 

 15 



2 7 



2ri0 

 -4.5 



47 



96 



320 



20 



37 



238 

 -2.1 



59 



62 



350 



22 



44 



211 

 -1.1 



Marginal rate of 

 substitution of 

 cows for cropland 



Hay sales prohibited 



89 







350 



29 



59 



150 



;9.7 —17.2 —15./ 



-6.3 



-2.1 -1.1 



79 



