60 



foiiow in TabXd XXIV. 



Table XXIV : Effect of Scraping on Yi^ld of Corn : 



No. Kind of cultivation Yi<,id per acr® Average 



Pie-t 



i Hoed, ordinary 



2 r^one, we-rds scrap-nd from 



surface 



3 Shaxiow, oncv after tasselinfl 9 4.i 



4 Pssp, " " " 



5 Fibaxxow, ordinary 

 ■3 i;aipp, " 



7 Shallow, freque.'it 



8 D«*?p, " 



i^or a continuation of these exnerim-nts, s-o El:1. 

 25 aii'i 31) 



Th<s> i'v-sultij ar& consist«»nt for plat ©xp&rmenta. Thts 

 zcrc..jii6 pxat riio'ws but a sii.^^htly less yield than ths 

 best pl5.ts. doubtless sora'9 ws»eds gr>jw in tli-s int-- rvals 

 betw-j'^n zcrayinQ a)\d after "laying by". Should w^ assume 

 that soH'^.. vv-eds 5r«w and that a small arcount of rocds are 

 dwtriiflt>nt'^I ttccorOin,.?: to '.he^r quantity, it would he fe4»sy 

 to cmc^ude that i-his injury wouxd be suffieifeut to cause 

 the sli^lit drcr-^^t;'? in yield when compared ©v*»n with the 

 best yield^r.^ pl&cs. If the soil moisture was lowered in 



