180 AUSTRALIAN AGRICULTURE. 



HOW CROPS ARE BUILT UP. WHAT THEY TAKE 



AWAY PER ACRE. 



Similar substances are absorbed by fruits, and the 

 accompanying table is arranged to show, comparatively, 

 what the proportions are, so that manures may be com- 

 posted to suit the crop we are making : 



FRUIT AND VEGETABLES ABSORB PER ACRE. 



