Assumptions and Procedures for Generic Farm

1. Total farm crop acreage amounts to 1500 acres. This is the average of the producers interviewed with some having crop acres above and below the average.
    
2. Several different cropping and tillage systems were evaluated.
   • Conventional Till—Winter Wheat and Fallow (750 acres of each)
   • Conventional Till—Winter Wheat (500 acres), Recrop Spring Wheat (500 acres), Fallow (500 acres)
   • Conventional Till—Winter Wheat (700 acres), Recrop Barley (100 acres), Fallow (700 acres)
   • No-Till—Spring Wheat (750 acres) with alternative crops such as Safflower (150 acres), Yellow Mustard (150 acres), Lentils (150 acres), Winter Peas (150 acres), and Flax (150 acres)
      
3. Yields for each crop:



Crop	Yield
Spring Wheat	19 bushels
Winter Wheat after Fallow	32 bushels
Barley	38 bushels
Safflower	650 pounds
Yellow Mustard	300 pounds
Lentils	1.5 tons
Winter Peas	1000 pounds
Flax	17 bushels



4. Seeding rates for each crop:  

   Crop	Seeding Rate
   Spring Wheat	80 pounds
   Winter Wheat after Fallow	90 pounds
   Barley	60 pounds
   Safflower	22 pounds
   Yellow Mustard	4 pounds
   Lentils	30 pounds
   Winter Peas	80 pounds
   Flax	0.50 pounds



5. Fertilizer rates for each crop:  

   Crop	Fertilizer Rate
   Spring Wheat	160 pounds of 46-0-0
   Winter Wheat after Fallow	60 pounds 18-46-0
   Barley	60 pounds 18-46-0, 100 pounds 34-0-0
   Safflower	60 pounds of 11-52-0
   Yellow Mustard	None
   Lentils	None
   Winter Peas	None
   Flax	None



6. Fuel costs were $1.80 per gallon for diesel and $2.00 per gallon for gasoline.
    
7. Repairs were based on the following formula:
   Repairs = (Repair Factor x List Price of Machine x Hours of use per year) divided by the estimated life of the machine.
    
8. Oil costs are estimated at 15 percent of the cost of fuel.
    
9. Depreciation costs are based on the following formula:
   Depreciation = (List Price of Machine x Hours of use per year) divided by the estimated life of the machine.
    
10. Interest on machinery = Average value of the machine times the interest rate.
     
11. Interest on operation capital was figured at 7 percent for 12 months.
     
12. Crop insurance rates for each crop:  

    Crop	Fertilizer Rate
    Spring Wheat	$5.85
    Winter Wheat after Fallow	$6.50
    Barley	$2.00
    Safflower	$4.00
    Yellow Mustard	None
    Lentils	None
    Winter Peas	None
    Flax	None



13. Weed control rates for each crop:  

    Crop	Fertilizer Rate
    Spring Wheat	16 ounces Roundup
    Winter Wheat after Fallow	10 ounces 2,4-D LV-6, 1 ounce Banvel
    Barley	6 ounces Puma
    Safflower	16 ounces Roundup, 16 ounces Poast
    Yellow Mustard	16 ounces Roundup, 16 ounces Poast
    Lentils	16 ounces Roundup, 16 ounces Poast
    Winter Peas	16 ounces Roundup, 16 ounces Poast
    Flax	16 ounces Roundup, Bison

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