DEPARTMENT OF AGRICULTURE


 Legend: O Rates of fertilizer and yield of tobacco
 with a constant number of plants.

 SRates of fertilizer and yield of tobacco
 with 300 plants added for each 200
 pounds increment of fertilizer.


I 30

 20--


 20









 1000 S-


0








 1000 1200 1400 1600 1800
 Rates of fertilizer per acre


The effect of spacing and fertilization on the yield and
selling price in dollars per hundred pounds of tobacco.