59 



Effect of ^cranj,^/^ on Yzsld of Corn. 



The routh Cafoiina Station (Bui. 44,2 ) Gompar»;*d 



corn cuitivatsd with c Tn not cultivated. AI-l plats w^^n?' 



planted oa tha Is-V'?!. Th:-.- results are shown in T'-^ble XXIII. 



Table XXTTI : Comparison of Yxeld Ear Corn Cultivated 



and Not Cultivated. 



Treatjueit Sound Corn bu. Total bu. 



CultiV'>i:.t><5, li.\<cl i'^.nd. shallow 51.1 58, n 



Cut _r: rxcgca throughout 5k:. 7 60,0 



Kot ci'l tiv^i.trd, w-'-n and grass, 49,7 56,5 



cut wi ^h hot* 



There ie: hut a cxight dscr-iase in yi^j^c where t^w plat 



was scrapwQ, T-i^ pc-rc^nty/^e of sound corn is about tha 



The Illinois station (Eul 13, 419) eonr-ared ths affects 

 of scraping v.ith cul ^.xVC-tion lor ol^r^r succesaivs y^tira. 

 The land ^■:'-s bxack prairie loam twenty inch-ss dc-ip, under- 

 laid with yellow eiay. In 1887 (the .y-^ar before tht- 

 expsriraent beg-^-ri) crimson clov-^r w-^;-: grown on the land. 

 The Burfae© was scraped at th« usual time for cultivation 

 as follows : First y*>ar fiv»i ti^'ies ; eeeond year three 

 tiffidS ; and the third year four tines. Ths last scraping 

 was given on July 24, July 16, and .^une 25 and 26 for the 

 ryspeetive years. Car© tas taken to disturb th« soil as 

 little as possible when roEOving th© weeds. The results 



