FEEDING SWINE 125 



falfa and one additional permanent pasture, which could 

 be grazed off as needed. 



In order to show about how the succession would run 

 on a four-field rotation, the following is presented : 



A Four-Field Rotation to Supply Grazixc from July 1 to July 1 



Order Approximate 

 planted grazing dates 

 Field 1 — Early corn plus New Era peas July 



Rape plus oats Nov., Apr. 



Field 2 — Sweet potatoes and peanuts Sept., Oct. 



Winter grain plus winter legumes Dec, May 



Field 3 — Corn plus soy beans or cowpeas Aug. 



Winter grain plus winter legumes Jan., June 



Field 4 — Chufas and bur clover Feb., Mar. 



As pointed out in the case of the three-year rotation, 

 this could be made a five or six-field plan by the addition 

 of either alfalfa or a permanent grass pasture, or both. 



In order to facilitate the planning of the right rotations 

 and to assist in the selection of the most suitable crops, 

 the following table is offered, which shows the most 

 suitable crops for grazing for each month of the year 

 under average southern conditions. The average planting 

 date is also given. The number of hogs that an acre of 

 the crops will carry is not given, for the reason that they 

 will vary within such wide limits, varying in the length of 

 time the grazing is to take place, upon the stage of 

 growth, the fertility of the soil, the season, climate, and 

 many other factors. 



To supply Suitable crops Planting date 



grazing in 



January Rape Sept 1 



Rye and vetch Sept. 1 



Bur clover July 



Oats Sept. 



Chufas May 



