TlIK Ill'l.LKTIN. 



55 



soil is a tine sandy loam. 'J'liese soils, with those whifh arc closely related to 

 them, are the main cotton lands of the State. The fertili/er used at hoth piaees 

 contained 7 per cent availahle plu)Splioric acid, and liV^ i)er cent (.■aeii <<f nitrogen 

 and potash. The results for no fertilizer and for dilTerent quantities of fertilizer 

 were as follows: 



Irkdicll Test Farm — (Red Clay Loam Sou.) — .'> ^■| aks' .\vek.vuk.s. 



Average — 5. 63. 



Edgecombe Test Farm — (Fine Sandy Loam Soil) — 7 Years' Averages. 



8. 55=4. 27 Average for 2 Farms. 



These results show, among other things: 



(1) That it pavs better, from the standpoint of fertilizer, to fertilize poor or 

 less productive land than it does rich or more productive land. The average 

 yield of seed cotton per acre on the Iredell farm on the plats not fertilized was 

 176.6 pounds per acre, or .12 of a bale. This is poor land. The fertilizer used 

 on this land gave an average profit for all the quantities used of $5.03 per 100 

 pounds, after paying for the fertilizer itself. Two pieces of land were used on 

 the Ed^ecome farm in rotation, one being about three times as productive natu- 

 rally as the other. On the poorer land the profit per 100 pounds of fertilizer, as 

 an average of all the quantities used, was $4.93 per 100 pounds, and on the better 

 land $1.44 per 100 pounds, the latter being less than one-third of the profit on 

 the poorer land. When the quantity of fertilizer reached 1,000 pounds, the yield 

 on the two fields was practically the same, and were not far apart with 800 



