14 



The Phosphate* of America. 



Wheat 450,000,000 bushels, valued at $440,000,000 



Maize 1,900,000,000 " " 627,000,000 



Oats 600,000,000 " " 168,000,000 



Barley 60,000,000 " " 33,000,000 



Rye 25,000,000 " " 14,000,000 



Buckwheat 13,000,000 " " 7,280,000 



Potatoes 200,000,000 " " 100,000,000 



Butter, milk and cheese " 380,000,000 



Fruits ' 100,000,000 



Rice 98,000,000 Ibs. at 5 cts. " 4,900,000 



Vegetables " 50,000,000 



Tobacco 483,000,000 Ibs. at 9 cts. " 42,000,000 



Cotton 6,500,000 bales (480 Ibs.) " 250,000,000 



Wool 300,000,000 Ibs. at 15 cts. " 45,000,000 



Hay 45,000,000 tons at $8 " 360,000,000 



Miscellaneous, including flax, flax-seed, hemp, grass- 

 seed, garden seeds, wines, nursery products, etc., 



valued at 408, 945,000 



The mean percentage of ash or mineral matter contained in t he- 

 most important of these products is as follows : 



Wheat 2.06 Hay 7.24 



Maize 1 . 55 Cotton stalks 3 . 10 



Oats 3.18 Straw of wheat 5.37 



Barley 2.89 " rye 4.79 



Rye 2.09 " barley 4.80 



Buckwheat 1.37 " oats 4.70 



Rice 0.39 " buckwheat 6.15 



Potatoes 3.77 Stalks of maize 4.87 



The approximate quantities of mineral matters taken from the 

 soil by a single crop of the cereals would thus be : 



GRAIN. 



Wt. in Ibs. % Ash. Wt. Ash in Ibs. 



Wheat 27,000,000,000 2.06 556,200,000 



Maize 106,400,000,000 1.55 1,649,200,000 



Oats 19,200,000,000 3.18 610,560,000 



Barley 2,880,000,000 2.89 83,232,000 



Rye 1,400,000,000 2.09 29,260,000 



Buckwheat 650,000,000 1.37 8,905,000 



Total 2,937,357,000 



STRAW. 



Wt. in Ibs. % Ash. Wt. Ash in Ibs. 



Wheat 45,378,000,000 5.37 2,436,798,600 



Maize 212,800,000,000 4.87 10,363,360,000 



Oats 32,000,000,000 4.70 1,504,000,000- 



