EFFECT OF LIME ON THE SOIL 



253 



lessened by acids. Fig. 67 shows the effect of different 

 amounts of lime on the growth of clover in an acid soil. 



!£pfc-^JBg$^5 





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Fig. 66. — Lime and clover test. Lime and fertilizer. Same amounts as 

 before. Yield, 2526 pounds per acre. Pennsylvania Station. 



2000 Li» 



'V) Lt,r.m 



Fig. 67. — Pot test of lime on clover in acid soil. Amounts indicated are 

 rates per acre, 5200 pounds CaC03 being needed to neutralize the soil 

 according to the Veitch method. Yields from left to right: 8.7 gms. ; 8.8 

 gms.; 7.9 gms.; 2.3 gms.; gms. Department of Agronomy, Pennsylvania 

 Station. 



By neutralizing soil acids lime prevents poisoning of 

 plants, hastens decomposition of organic matter, and in- 



