66 



The moisture and fertilizer contents of the soil 

 were determined weekly on the ends of the plats where no corn 

 grew, and, at longer intervals, within the corn. 



No. -i^BETAILED OUTLIKE OP EXPERIMENT— 

 Plat 



(1) Gorn^ cultivated all season; check. 



(2) Com, plat scraped. 



(3) Com, plat mulched. 



(4) Corn cultivated all season j check. 



(5) Corn J millet sown at first cultivation. 



(6) Corn; Millet sown when com was two feet. high. 



(7) Corn, cultivated all season; check. 



(8) Corn; millet sown when corn four feet high. 



(9) Corn; soy "beans sown at first cultivation. 



(10) Corn, cultivated §,11 season; check. 



(11) Corn; soy beans sown when corn was two feet high. 



(12) Corn; soy beans sown when corn four feet high. 



(13) Corn, cultivated all season; check 



(14) Corn fertilized with Na N03i cultivated all season, check. 



(15) Corn. " « « ^ millet sown after corn 

 two feet high. 



(16) Corn, no fertilizer, cultivated all season; check. 



(17) Corn. fertilized with NaNOs; millet sown when corn 

 four feet high. 



(18) Corn, fertilized with acid phosphate, cultivated all 

 season. 



