and the like; then, gentlemen, deep cultivation is not to Nitrate of 



be accomplished with the sub-soil plough alone: many other Soda for 



i c i u j i i i_ j Sugar-Beets 



implements are necessary for working the deeply ploughed - 



Root System of Sugar- Beet, showing necessity of deep preparation 



of Soil. 

 Bulletin No. 13, California'Experiment Station. 



soil ; the heavy roller, the grubber, etc., are requisite. 

 Without them sugar-beets cannot be grown, and there can 

 be no question that if you wish to carry on the cultivation 



