246 SOILS AND FERTILIZERS 



Problems. 



Calculate the income and outgo of fertility from the following 

 farms. 



T. Sold from the farm : Wheat 40 acres, oats 40 acres, barley 40 

 acres, rye 20 acres, flax 10 acres. The straw is burned and no use 

 is made of any manures. 



2. Sold from the farm : Wheat 20 acres, barley 20 acres, flax 5 

 acres, 1000 pounds of butter, 10 hogs, and 10 steers. Purchased : 

 Bran 3 tons, shorts 2 tons, oil meal i ton. Crops produced and fed 

 on farm : Clover and timothy hay 40 tons, corn fodder 3 acres, 

 corn 10 acres, oats and peas 10 acres, roots i acre, millet I acre, 

 and barley 5 acres. 



3. Sold from the farm : Wheat 10 acres, sugar beets 5 acres, 

 milk 100,000 pounds, butter 500 pounds, 20 pigs, 6 head of young 

 tock, 2 acres of potatoes. Purchased : 5 tons of bran, 2 tons of 

 oil meal, i ton of cottonseed meal, 15 cords of wood, i ton of acid 

 phosphate, 1000 pounds of potassium sulphate, and 500 pounds of 

 sodium nitrate. Raised and consumed on the farm : Corn fodder 

 15 acres, mangels i acre, peas and oats 5 acres, clover 20 tons, 

 timothy 10 tons, straw from grain sold, oats 10 acres, corn 20 

 acres. 



4. Calculate the income and outgo of fertility from your own 

 farm. 



