APPLICATION AND ILLUSTRATIONS 



333 



Corn yields at the rate of ten to eleven tons of silage per acre, 

 or fifty to sixty bushels of corn; oats average about forty bushels, 

 and clover about one and three-quarters ton per acre. 



To meet the feeding requirements, at least twenty acres of 



fc acres i 



/o acres 



/ 



C/oi/er 



Corn 



^0 acres \ 



Permarenf r — ^ 

 ' Pasture \ 







JO acres 



/o acres 



\ \ 



Corn 



Oot5(seedecl) 



c/^^f^l::^ 



/o acres 





Dro!A^/7 tc Sca/e /"^4orcfs 



Oofs(3eeded) 







/o acres 



C/oi/er 



S/d^s ^ 



Orchard 



Garden 



\ 



Fig. 216. — Cropping plans the second year after planning. 



each crop must be grown. Fifty-eight acres are now under cultiva- 

 tion. Figure 215 shows the arrangement of the farm when rota- 

 tion was first considered. 



The important soil problems are (a) a lack of available phos- 

 phorus, and (6) a comparatively low supply of nitrogen and 

 organic matter. 



In order to work towards a fixed rotation without disturbing 



