SOY BEANS IN ALABAMA 



B^ E. F. Cm THEN 



SUMMAHY 



The soy bean is a kguininoiis crop thai is well adapt-' 

 0(1 to many parts ol" Alabama. 



In a I'c'itilizor test on sandy land, for the production 

 of hay, acid phosphate api)lied at the rate of 2 It) 

 pounds per acre gave an average increase in yield of 

 504 pounds, and kainit applied at [hv same rate gave 

 no increase. When 18 pounds of nitrate of soda 

 was added to 2 40 i)()ini(ls of acid phospliate and 210 

 l)ounds of kainit, neither the nitrate of soda nor kainit 

 gave any increase in yield of hay. 



In the production of grain neitlier acid phosphatcv 

 j)otash, nor nitrate of soda gave ap[)reciahle increases. 

 On poor soil cotton seed meal gave sulficient increase 

 to justify its use. Lime gave some increase. 



In a comparison of acid i)liosphate and raw phos- 

 l)hate on seed production, the gain from the use of 320 

 pounds of acid phosphate per acre was .5 bushel, and 

 from tile use of 320 pounds of rock i)hos|)hate was L2 

 bushels. When similar amounts of acid phosphate 

 and rock ph()sj)]iate were used lor hay ])ro(hiction, the 

 gain from the acid |)hos|)hate was 323 |)ounds of hay 

 per acre and from the rock phospliate 243 pounds. 



Experiments with disinfected seed ])laiited on soil 

 where soy beans had not been grown for many years 

 and where beans had never l)een grown gave some 

 inoculated plants. WIumi disinfected seed wer{> |)laiited 

 on land well supplied with barnyard manure, the 

 ])lants bore many no(hiles the first year. 



The largest yield of seed and straw came from drill- 

 ing five |)ecks per acre. 44ie yi(4d of grain from three 

 pecks was nearly as great as from live pt'cks. I'he 

 plants of the Mammoth Y( How variety in thick seeded 

 plots stood uj) better llian those of the thin seeded 

 plots. 



Variety tests conducted for the past 11 years show 

 that Blackbeauty stood at the head in seed |)r()(hicli()ii 

 three years; Haberlandt two years; Mammoth Yellow, 

 Sherwood, Tokyo, llollybrook, and Biloxi one year 

 each. Duiiiig this 11 year period tlu> four, most i)ro- 



