SOILS AND FERTILIZERS. 



373 



respectively 75, 85, 85 and 95 pounds of water to 100 pounds of green 

 weight. 



Table 2 : 



One hundred pounds of marketable produce — that is, wheat, oats, 

 corn, both as grain or straw, and timothy, red clover and alfalfa, as 

 hay, each with 10 per cent of water, and potatoes, carrots, cabbage and 

 cucumbers, each respectively with 75, 85, 85 and 95 per cent of water — 

 contain the following amounts of plant-food in pounds : 



Wheat, kernels : 



Potash 0.57 



Phosphoric acid 0.94 



Nitrogen 1 . 84 



Wheat, straw : 



Potash 0.62 



Phosphoric acid 0.25 



Nitrogen 0.55 



Oats, kernels: 



Potash 0.49 



Phosphoric acid 0.76 



Nitrogen 1 . 90 



Oats, Ptraw : 



Potash l.Ol 



Phosphoric acid . 25 



Nitrogen 0.63 



Corn, kernels : 



Potash 0.58 



Phosphoric acid 0.73 



Nitrogen 1.64 



Corn, cobs and shucks: 



Potash 0.64 



Phosphoric acid 04 



Nitrogen 0. 44 



Corn, stover : 



Potash 1.21 



Phosphoric acid 0.03 



Nitrogen 0.83 



Timothy: 



Potash 1.27 



Phofephoric acid 0.76 



Nitrogen 1.18 



Red Clover : 



Potash 2.08 



Phosphoric acid 0.56 



Nitrogen 2.27 



Alfalfa : 



Potash - 2.11 



Phosphoric acid 0.67 



Nitrogen 2.47 



Potatoes : 



Potash. 67 



Phosphoric acid 22 



Nitrogen 0.40 



Carrots : 



Potash 0.46 



Phosphoric acid 0.16 



Nitrogen 0.24 



Cabbage: 



Potash 0.78 



Phosphoric acid 0.44 



Nitrogen 0.60 



Cucumbers : 



Potash 0.29 



Phosphoric .^acid 16 



N itrogen . 16 



To determine what is a fair average crop was a more difficult mat- 

 ter; the values given in table 3 were finally decided upon, omitting those 

 for cucumbers as too widely divergent in different sections of country. 



TABLE 3 . — Weight of Crop from One Acre of Ground. 



Whpat 25 bushels. 



Oats 30 



Corn 60 " 



Potatoes 100 " 



Carrots 1.50 " 



Cabbage 3600 head. 



Wheat, kernels 1,500 pounds. 



straw 5.100 



Oats, kernels P60 



straw 2,200 



Corn, kernels 3.360 



cobs and husks 840 



stover 3,000 



Timothy hay 4,000 



Red clover hay 5,000 



Alfalfa hay 4.000 



Potatoes 6,000 



Carrots . 6,000 



Cabbage 10.800 





