i 7 8 



FUNDAMENTALS OF AGRICULTURE. 



best development a light well-drained soil that will 

 permit free spreading of the growing tubers. A moist 

 though not wet soil well supplied with decayed organic 

 matter and an excess of available plant food, so that 

 the plant will always have what it needs, is desirable 

 and essential for best results. Heavy soils are not as 

 suitable as light friable soils, but may be improved by 

 the addition of organic matter. The best results are 



i/ 



0- 



3- 



4- 



THE BLACK LINES SHOW WHERE TO CUT WHEN TUBERS ARE OF THIS 

 SIZE AND SHAPE. 



obtained when the crop is grown in rotation. In 

 Maine, where the production per acre is highest, the 

 following rotation is popular: 



ist year, potatoes. 



2nd year, grain, sowed to clover. 



3rd year, clover, which is plowed under in the fall 

 and followed by potatoes the next spring. 



Whenever sod is plowed under or farm manure 

 applied, care should be exercised that the organic 

 matter is thoroughly rotted before planting time, as 



