278 



CROP ROTATION 



Important Crops. — Hay, oats, corn, winter wheat (Fig. 172), 

 potatoes (Fig. 177), buckwheat, lye, peas, barley, and tobacco. 



Important Legumes. — ^Red clover, alsike clover, mammoth 

 clover, white clover, alfalfa, and peas (Fig. 178). 



Typical Rotat%ons, — ^A — 1. Clover or pastmre. 2, Corn. 3. 

 Oats and peas. 4. Rye (seeded). 



B— 1. Corn for grain. 2. Corn for silage. 3. Oats and peas 

 (seeded down to clover and timothy after harvest). 4. Hay. 



In rotation (B) the oats and peas mixture may be omitted, and 

 the clover and timothy is then seeded in the corn the second year 

 at the last cultivation. Rye instead of oats and peas is often grown 

 the third year m such a rotation as this. 



C— 1. Corn. 2. Potatoes (autumn rye). 3. Rye (seeded to 

 clover). 4. Clover or pasture. 



[ir-OLATE POTATO ACREAGE 181« ^ \ 



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Fig. 177 — ^Late potato acreage 



Fig 178 — ^Acreage of green peas 



D — 1. Potatoes (rye sown in autumn). 2. Rye (seeded to 

 mammoth clover for green-manuring). 



This two-year rotation (D) is common in sections where 

 potato raising is the main business. 



E — 1. Corn (rye as cover crop). 2. Tobacco. 3. Wheat or 

 oats (seeded to clover and timothy). 4. Hay. 



F — ^1. Tobacco (Fig. 174). 2. Oats (seeded to clover to plow 

 under). 3. Winter wheat (seeded). 4. Clover. 



Rotations in South Atlantic States. — ^Delaware, Maryland, 

 District of Columbia, Virginia, West Virginia, North Carolina, 

 South Carolma, Georgia and Florida are included in this group. 



Important Crops. — ^Northern portion: Corn, winter wheat, 

 hay, oats, tobacco, potatoes, rye, buckwheat and cotton. 



Southern portion. Cotton, corn, oats, winter wheat, hay, 

 tobacco, sweet potatoes, potatoes, rye and rice. 



Important Legumes. — Cowpeas, 'crimson clover, soybeans, 

 vetches, red clover, velvet beans, alfalfa, and alsike clover. 



Some Practical Rotations. — ^A — 1. Corn (crimson clover sown 



