Til 10 Bulletin. 15 



and ihc rcinaiiiing 7.') puiuuls oi" iiilrale rcsiTvcd i'ur a sidc-dn.'ri.siiig 

 during- July, the total costing on an average of $4.44 per acre. Appli- 

 cations of 75 pounds and 125 pounds of nitrate of soda respectively 

 with 200 pounds of acid phosphate and 83 pounds of kainit per acre 

 were also quite profitable ones, when 25 pounds each of tlie 75 and 

 125 pounds of uilrate wore a))i)lied just before planting with the 

 other materials and the reniaiudcr reserved and applied as a side- 

 dressing during the latter part of June or July. 



As nitrate of soda is readily soluble in water, it will stand in great 

 danger of being leached from the soil and lost if proper precautions 

 arc not observed in its use. To handle it in such a way as to guard 

 against such a loss with general farm crops it should all be reserved 

 for a side-dressing to the growing plants, or else the applications 

 should be divided, applying part at or just before planting and reserv- 

 ing the remaining portion and using it as a side-dressing for the cot- 

 ton when or just before the plants have begun to bloom. 



II. Peruvian Guano — Nitrate of Soda Tests with Cotton 



AND Corn. 



PLAN OF EKPERIMENTS. 



These experiments have been conducted primarily to ascertain the 

 relative value of Peruvian guano as a fertilizing material for cot- 

 ton and corn as compared with varying mixtures of acid phosphate, 

 kainit (or manure salt) and nitrate of soda. Peruvian guano is a 

 manurial product that is now finding its way into our markets in 

 moderately large quantities, hence its relative fertilizing value as 

 compared with the better known materials is a matter that should 

 prove of considerable interest and importance to farmers of the 

 State. The plats devoted to each of these tests have varied from one- 

 tenth to one acre in size in the different years at the different farms. 



Most commonly, however, the plats have ranged from three-quar- 

 ters to an acre in extent. The cotton and corn were planted at the 

 different farms in the different years from April 26 to May 15, the 

 cotton being put in 3 1-3 feet rows and the corn in 4 feet rows. In 

 the cotton tests King's Improved seed were used at Iredell and Cul- 

 pepper's Improved at Edgecombe ; while in the corn work Weekley's 

 Improved at Iredell and Cocke's Improved at Edgecombe were 

 planted. 



Thirty pounds (one bushel) of cotton seed and nine pounds of 

 shelled corn were planted per acre, and the cotton reduced to a stand 

 of 15 inches and the corn to that of 30 inches in the row. In all cases 

 in all these tests, where not otherwise specified, the fertilizers or fer- 



