CLIMATE AND SOIL 



29 



28. Rotation Of Crops. The rotation of crops is practised 

 with the object of utilizing the natural productiveness of the 

 soil to its fullest advantage and avoid impoverishing the land 



FIG. 13 

 FLAX AND OTHER FARM CROPS 



A comparison of extraction from the soil of Nitrogen, Potash and Phosphoric 

 Acid three essential constituents of the liax plant. 



too much of any specific plant food. It is economical and also 

 simplifies the problem of manuring 



Various orders of rotation are practised by different farmers 

 and flax growers in each country. In Ireland it is customary 

 to sow flax in the year of rotation following a crop of oats 

 or potatoes, but preferably a corn crop and never turnips. 



