FARM CROPS. 



81 



to the locality and to the type of farming to be fol- 

 lowed. 



Such crops should be chosen as will keep the ground 

 occupied as much of the time as possible. There 

 should be no long vacant periods between the harvest- 

 ing of one crop and the seeding of the next on the same 

 field. There should be a leguminous crop, such as 

 clover, peas, vetch, etc., grown every three or four 



CROP ROTATION PLOTS ON A MODEL FARM. 



years at least to make use of the free nitrogen of the 

 air. 



Crop Rotations. The following are a few exam- 

 ples, out of a great many that might be given, of crop 

 rotations: 



i. A four-year rotation for general farming. 



1st year. Corn seeded to wheat in the fall, with 

 clover and timothy sown at the same time as 

 the wheat or the following spring. 

 2nd year. Wheat. 

 3rd year. Hay. 

 4th year. Either hay or pasture. 



