19 



Early-planted King seed, ivith thorough cultivation versus late-j^lanted native gin seed villi 



average cultivation. 



Yield per acre with early-planted King seed and thorough cultivation, 

 pounds seed cotton 1, 348. 20 



Yield per acre with late-planted native gin seed and average cultivation, 

 pounds seed cotton 129. 40 



Yield per acre in favor of early-planted King seed with thorough 



cultivation pounds seed cotton. . 1, 218. 80 



Value of excess per acre, at 3 cents per pound of seed cotton $36. 56 



Early planting luith thorough cultivation versus late planting with thorough cultivation. 



Yield per acre with early-planted King seed and thorough cultivation, 



pounds seed cotton 1, 348. 20 



Yield per acre with late-planted King seed and thorough cultivation, 

 pounds seed cotton 360. 80 



Yield per acre in favor of early planting pounds seed cotton. . 987. 40 



Value per acre in favor of early planting, at 3 cents per pound of seed 



cotton $29.62 



Thorough cultivation versus average cultivation. 



Yield per acre with early-planted King seed and thorough cultivation, 



pounds seed cotton 1, 348.20 



Yield per acre with early-planted King seed and average cultivation, 

 pounds seed cotton 1, 004. 00 



Yield per acre in favor of thorough cultivation, .pounds seed cotton. . 344. 20 



Value of excess per acre, at 3 cents per pound of seed cotton $10. 32 



Early planting uith thorough cultivation versus late planting vrith average cultivation. 



Yield per acre with early-planted King seed and thorough cultivation, 



pounds seed cotton 1, 348. 20 



Yield per acre with late-planted King seed and average cultivation, 



pounds seed cotton 275. 80 



Yield per acre in favor early planting and thorough cultivation, 



pounds seed cotton 1, 072. 40 



Value of excess, at 3 cents per pound of seed cotton $32. 17 



ARSENICAL POISONS. 



Although poisons have long been recommended for bollworm con- 

 trol on cotton, their use has not been adopted to any extent. This 

 may hav^e been due to the fact that their value in this particular had 

 not been demonstrated in any such way as to furnish tangible results. 

 The possible usefulness of poisons is based on facts connected with the 

 early life of the bollworm, not ordinarily taken into consideration by 

 planters. Bollworm s are not usually noticed until they have begun to 

 bore into the squares, flowers, and bolls, and the application of poisons 

 at this time manifestly appears to be of little use. 



It has already been shown (page 14) that from 65 to 73 per cent of 

 the eggs deposited by bollworm moths on the cotton plant, are so 



