47 



The directioiLS sent required each plot to be one-eighth of 

 an acre in area. Rows were 3>4 feet apart, and each experi- 

 menter was advised to so thin the cotton as to leave the 

 same number of plants on each plot, preferably at distances 

 of 18 inches between plants. 



The directione stated that land employed for this test 

 should be level and uniform, not manured in recent years, 

 and not new-ground, or subject to overflow, and that it 

 should be representative of large soil areas in its vicinity. 

 The need of perfect uniformity of treatment for all plots 

 (except as to kinds of fertilizers used) was emphasized. 



Fertilizers were applied in the usual manner — that is, 

 drilled, ridges afterwards being thrown up above the fertil- 

 izers. 



Notes on the weather show that in most localities the 

 season was abnormally dry, a circumstance which materi- 

 ally lessens the value of the results. A leaf disease, gen- 

 erally spoken of as rust or blight, was very prevalent, es- 

 pecially in the central and southern, portions of the State. 



The Fertilizers Used. 



The fertilizers used, in this experimeoit cost, delivered in 

 Auburn in less than carload lots, as follows: 



Per Ton. 



Acid phosphate $ 11,00 



Cottonseed meal 19.00 



Kainit 13.75 



Slaked lime 5,00 



Prices naturally vary in different localities. Anyone 

 can substitute the cost of fertilizers in his locality for the 

 price given above. The above prices for high-grade acid 

 phosphate (dissolved bone) a'nd kainit are several dollars 

 lower than the usual price. The manufacturers of the 

 phosphate uised, Edisto Phosphate Company, Charleston, 

 S. C, supplied the Alabama Experiment Station with both 

 phosphate and kainit at an extraordinarily low rate. A 



