7O KNAPP METHOD OF GROWING COTTON 



responds quickly to differences in environment, 

 soil, climate, treatment, and fertilization. This 

 is an aid to the farmer if he uses care in selecting 

 his seed, but if no attention is given to seed 

 selection, the plant will show deterioration year 

 after year. 



The main points to be considered in improv- 

 ing cotton seed are variety or type, selec- 

 tion, ginning, and storage. By type is meant 

 the kind of stalk, bolls, lint, and general char- 

 acteristics. There are but few botanical va- 

 rieties, but there are a large number of what 

 might be called "Agricultural varieties" and 

 these agricultural varieties have a great many 

 more names than there are recognizable forms. 

 There are a great many varieties that have 

 been developed by the careful work of the most 

 progressive farmers through years of seed 

 selection. Each farmer should decide which 

 type or variety is best suited to his conditions, 

 should grow it exclusively and continue to 

 improve it. In choosing a variety, too little 

 attention is often given to some qualities and 

 too much to others. In making a choice 

 of a variety the following points should be 

 given careful attention and consideration: 



