FERTILIZERS FOR COTTON 65 



slowly available materials may be used and 

 these are usually cheaper. 



9. The effect of fertilizers on crops after 

 the first year depends on season, soil condition, 

 and materials used. 



10. Fertilizers give best results when not 

 applied more than two or three inches deep, ex- 

 cept when used on dry land, then they should 

 be deeper. 



11. Organic nitrogen such as cottonseed 

 meal, dried blood, tankage, and fish scrap 

 have been found preferable in mixed fertilizers 

 where only one early application is made. 



12. Potash is not needed on much of the 

 cotton soils as a fertilizer, but kainit has been 

 found greatly beneficial on soils subject to cot- 

 ton rust. 



13. Home mixing is profitable. A better 

 grade of materials can be had, and the mixing 

 can be done to suit special soils or crops. 



14. A judicious use of fertilizers will increase 

 yields on any soil. It hastens maturity so 

 that cotton may be grown farther north, and 

 also makes it possible to offset insect damage. 



15. Rotation of crops is very beneficial on 

 the cotton farm, especially if all the crops arc 



