270 EXPERnif:XTAL FAR US 



5 GEORGE v., A. 1915 



PART I.— THE NON-IEEIGATED OR " DRY FARM." 

 CROP ROTATIONS (NON-IRRIGATED). 

 This is tho third season for the following rotations: — 



ROTATION "a" 



Wheat (continuously. 



«(vr,STjox "b" (two years' duration). 



First year. — Wheat. 



Second year: — Suniiner-f allow. 



ROTATION "c" (three YEARS* DURATION). 



First year. — Summer-fallow. 



Second year. — Wheat. 



Third year.- — Wheat, or coarsfe grain. 



ROTATION " III " (six Y'EARS' DURATION). 



First year. — Summer-fallow. 



Second year. — W^heat. 



Third year. — Coarse grain. Manured in fall. 



Fourth ye^ar. — Summer-fallow. 



Fifth year. — Peas and oats for hay. 



Sixth year. — Barley or oats. 



ROTATION "s" (NLNIC YEARS' DURATION) 



First i/ea?\^Summer-f allow. 



Second year. — Hoed crop. 



Third year. — Whe.at. 



Fourth year. — Summer-f allow. 



Fifth year. — Wheat. 



Sixth year. — Coarse grain. 



Seventh ye-ur. — Summer-fallow, Manured. 



Eighth year. — Peas and oats for hay. Seeded in fall to rye. 



Ninth year. — Rye pasture. 



Lethbrtixie. 



