12 



The Buli^etin. 



Table III— AVERAGE RESULTS OF TVVO YEARS' TESTS WITH NITRATE 



OF SODA ON COTTON. 



Edgecombe Farm. 



a 



S 



Fertilizer Application per Acre. 



Nothing - 



)200 pounds acid phosphate - - 

 83 pounds kainit 



["200 pounds acid phosphate - 



\ 83 pounds kainit 



L 75 pounds nitrate of soda ^ 



200 pounds acid phosphate - 

 83 pounds kainit •- 



100 pounds nitrate of soda^ 



200 pounds acid phosphate - 



83 pounds kainit 



125 pounds nitrate of soda * 



200 pounds acid phosphate - 



83 pounds kainit 



100 pounds nitrate of soda ^ 



[200 pounds acid phosphate 



7 J 83 pounds of kainit 



::l 



40 pounds of dried blood ^ 



75 pounds of nitrate of soda* 



Value of Increase in Pounds per Acre of Total 

 Products (Lint and Seed). 





o 

 O 



> 

 O 



29.81 

 46.13 



65.39 

 68.07 

 63.44 

 50.78 



44.63 



"g 



a 



OiH 



n o 



16.32 



35.58 



38.26 



33.63 



20.97 



14.82 



. r 0) 



-— O C 



tn m " 



xS 5 



e « u 



-$ 16.32 



19.26 



21.94 





no 



cZ 



1.00 

 1.55 



2.19 

 2.28 



17.31 2.13 



4.65 1.70 



1.50 1 1.50 



(P O e« 



CDh o 



e« ? C 

 E >. * 



Mv< . 

 C N o 



rt-z: oo 

 Oi '-C 'C i-i 



.65 

 1.00 



1.42 

 1.48 

 1.38 

 1.10 



.97 



Note — In the above table minus ( — ) means loss of the amounts indicated. 



' In 1906, instead of using kainit as a source of potash, manure salt was applied, adding suffi- 

 cient to supply the exact amount of actual potash represented by the pounds of kainit given below 

 in the respective plats. 



- 25 pounds of nitrate of soda applied with other materials at planting on April 28 in 1905. and 



May 1 in 1906, 

 27 in 1906. 



and remaining 50 pounds applied as a side-dressing on June 28 in 1905, and July 



"25 pounds of nitrate of soda applied with other materials at planting on April 28 in 1905, and 



May 1 in 1906, and remaining 75 pounds applied as a side-dressing on June 28 in 1905, and July 27 

 in 1906. 



* 25 pounds of nitrate of soda applied with other materials at planting on April 28 in 1905, and 



May 1 in 1906, and remaining 125 pounds applied as a side-dressing on June 28 in 1905, and July 27 

 in 1906. 



^ 50 pounds of nitrate of soda applied with other materials at planting on April 28 in 1905, and 



May 1 in 1906, and remaining 50 pounds applied as a side-dressing on June 28 in 1905, and July 27 

 in 1906. 



