THE FERTILIZERS USED. 



These consisted of high grade acid phosphate guaran- 

 teed to contain at least 14 per cent, of available phos- 

 phoric acid. 



The following . table gives the plan of the experiment 

 and the composition of the fertilizers employed : 



Founds per acrk of fertilizers, nitrogen, phosphoric acid, and 

 potash used, and composition of each mixture. 



o 



o 



1 



2 



4 



•6 



7^ 



•i 



10 



Fertilizers. 



o 

 a 



u 



0) 



c 



3 



o 



Kind. 



Lbs. 

 200 



240 



200 



200 



2( 

 240 



200 

 2C0 



240 



200 



200 

 240 

 200 



200 

 240 

 IlO 



Cotton seed meal 



In 100 Jhs. s. c. meal. "^' 

 Acid phosphate 



In 100 lbs. acid phos 

 Kainit 



In 100 lbs kainit. 

 (Jotton seed meal. . . .\ 

 lAcid phosphate .... \ 

 I In 100 lbs. above mixt. 

 iCotton seed meal. . . .} 

 Kainit . . . ' f 



In 100 lbs. above mixt 



Acid phosphate / 



Kainit f 



In ICO lbs. above mixt 

 Cotton seed meal . . 



Acid phosphate 



Kainit 



In 100 lbs above mixt 

 Cotton seed meal. . . . ) 



.Acid phosphate > 



Kainit ) 



In 100 lbs. above mixt 



Lbs. 

 13.58 

 6.79 



13.58 

 3.09 



J3 58 

 3.39 



Lbs. 



5.76 



2 88 



36 12 



15.05 



18 58 

 2.12 



13 58 

 2.59 



41.88 

 9.52 

 5.76 

 1.44 



8.21 



41 88 

 6.54 



41 88 

 7.75 



Lbs. 

 3 54 

 I 77 



24 60 

 12.30 



3 54 



.80 



28 14 

 7.03 



5.59 



28.14 

 4.39 



15 84 

 2.93 



u 



3 



4—1 



c a> 



O .. 



O 



$ 19.00 

 12.50 



13 75 



15 45 



16 38 

 !3 f9 



14 94 



15 11 



* Average of many analyses. 



+ Counting all the phosphoric acid in cotton seed meal as 

 available. 



2-113 



