240 



Report on Ckop Pkodcction of the 



Table I. — Yield of Onions on Purdy Field foe Four Years, 1898-1901, 



BY Plats. 



Yield per plats.* 



Quantitv of fertilizer , • ^ 



Plat No. per acre. 1K!18. 1899. 1900. 1901. Averasie. 



Lhs. Lbs. Lbs. Lbn. Lbs. 



1 None 494 823 17041^ 605 906 



2 500 lbs 681^2 104.51/0 2704 1257 1422 



3 1000 lbs 7021/2 1148 28131^ 1425 1522 



4 1500 lbs 8311/2 1416 2736 1423 1601 



5 2000 lbs 821 13S21/2 20981/2 1499 1600 



. 6 None 602 858 2118 923^ 1125 



7 500 lbs 693 1108 2605 1117» 13!J6 



8 1000 lbs 721 12591/2 2G3G 1218^ 1458 



9 1500 lbs 835 13411/2 25881/2 1398- 1541 



10 2000 lbs 8141^ 1298 2540 1371' 1599» 



1 Size of Plats 1 to 9, .0794 acre ; Plat 10, .0843 acre. 

 * Plats 6 to 10 received no fertilizer in 1901. 

 3 Calculated to yield for 0794 acre. 



Table II. — ^Acre Yield of Puedy Field Showing Increase From Feb 



TILIZERS. 



Average yield per acre for four years. 



Quantity of fertilizer Increase over 



Plat No. per acre. Pounds. Barrels.' no fertilizer. 



£bl8. 



1 None 11,415 76.1* 



2 500 lbs 17,917 119.4 34.1 



3 1000 lbs 19.177 127.8 42.5 



4 1500 lbs 20.173 134.5 49.2 



5 2000 lbs 20,160 134.4 49.1 



6 None 14.175 94.5* 



7 500 lbs 17, .590 117.3 32. 



8 1000 lbs 18,371 122.5 37.2 



9 1500 lbs 19,417 129.4 44.1 



10 2000 lbs 20,147 134.3 49. 



1 Barrel. 150 Ib.s. 



S Average Plats I and 6, 85.3 bbls., taken as yield with no fertilizer. 



Increase for 



each ariilition 



of .Wii lbs. 



feitilizer. 



£hls. 



34.1 

 8.4 

 0.7 

 



S2. 

 5.2 

 6.9 

 4.9 



Table III. — Average Yearly Profits Per Acre from Use of Fer- 

 tilizers on Purdy Field. 



Quantity of fertilizer Cost fertilizer 



Plat No. used per acre. per acre. 



2 500 lbs $6.25 



3 1000 lbs 12.50 



4 15<X) lbs 18.75 



5 2000 lbs 25.00 



7 500 lbs 4.69 



8 1000 lbs 9.37 



9 1.500 lbs 14.06 



10 2000 ibs 18.75 



