1 82 



Bulletin 273. 



Plat 7 IS 

 160 lbs. nitrate 



of soda 



Hay 4,450 lbs. 



Corn 34.3 bu. 



Gain Sii.gS 



Plat 714 



No fertilizer 



Hay 3,920 lbs. 



Com 28.S bu. 



Fig. 24. 



Plat 713 

 80 lbs. muriate 



of potash 



Hay, 4,910 lbs. 



Com 47.1 bu. 



Gain J23.43 



Plat 712 

 320 lbs. acid 



phosphate 



Hay 5,350 lbs. 



Corn 32.6 bu. 



Gain $9.70 



Plat 719 



160 lbs. nitrate 



of soda 

 80 lbs. muriate 



of potash 



Hay 4,990 lbs. 



Corn 47.0 bu. 



Gain I27.85 



Plat 718 



320 lbs. acid 

 phosphate 



80 lbs. muriate 

 of potash 



Hay 4,220 lbs. 



Corn 54.0 bu. 

 Gain I16.73 



Fig. 25. 



Plat 717 



No fertilizer 

 Hay 3,120 lbs. 

 Com 30.0 bu. 



Plat 716 



320 Ibs.'acid 



phosphate 



160 lbs. nitrate 



of soda 



Hay 4,730 lbs. 



Corn 37.7 bu. 



Gain Jis.85 



Plat 723 



No fertilizer 

 Hay 2,830 lbs. 

 Com 26.2 bu. 



Plat 722 

 160 lbs. nitrate 



of soda 



80 lbs. muriate 



of potash 



640 lbs. acid 



phosphate 



Hay 5,730 lbs. 



Corn 54.9 bu. 



Gain $28.94 



Fig. 26. 



Plat 721 

 160 lbs. nitrate 



of soda 



80 lbs. muriate 



of potash 



320 lbs. acid 



phosphate 



Hay 5,960 lbs. 



Corn 55-7 bu. 



Gain I40.34 



Plat 720 



No fertilizer 



Hay 2,980 lbs. 



Corn 35-1 bu. 



Figs. 24, 25, 26, 27, 28. — Corn groimi without fertilisers, following timothy, fertil- 

 ised as shown above. The fertilizations are per acre, as are also the yields. The 

 hay was grown in 1907 and the corn in 1908. The gains are for three hay crops, 

 1905-7, and one corn crop. 



