CROPPING SYSTEMS FOH THK BLACK LANDS OF TEXAS. 

 Table 1L — The -i-ycar tnixed roldlion in use on lite Burns farm. 



11 



30-acre tracts. 



Field 1. 



Field 2. 



Fields. 



1908. 



Wheat 20 acres. 



Oats 10 acres. 



Cotton 30 acres. 



Corn 10 acres. 



Milo 10 acres. 



Sorghum lOacres. 



1909. 



Cotton 30 acres. 



Corn 10 acres. 



Milo lOacres. 



Sorghum.. . . lOacres. 



Wheat 20 acres. 



Oats lOacres. 



1910. 



Corn lOacres. 



Milo lOacres. 



Sorghum lOacres. 



Wheat 20 acres. 



Oats lOacres. 



Cotton 30 acres. 



On tliis farm aro kept 30 to 40 head of high-grade Shorthorn 

 cattle, 10 to 15 Duroc-Jersey hogs, and 100 to 200 chickens. As 

 soon as the crops are harvested the stock are turned in to glean the 

 fields. The wheat and oats are grazed until about March 1, when 



Fig. .5.— Birfl's-oye view of the three floMs on tln^ Burns farm, where a 3-year mixed rotation has been 



in operation for 32 years. 



the stock are taken off and the grain allowed to mature. In tliis 

 manner everything produced is saved and sufficient manure has })een 

 added to the soil to maintain its fertility. 



Owing to the limited rainfall, everything possible is done to con- 

 serve moisture.* iVfter being broken as early as ]>ractica])lo in 

 fall and winter the ground is kept stirred until i)lanting time by 

 the use of a disk and a steel-toothed liarrow. All crops ex(;ept wheat 

 and oats are planted in rows and at rates of seeding which give 

 stands about three-fourths as thick on the ground as is customary 



» The records of the weather station located on this farm show that the annual rainfall for the period 

 from 1901 to 1910. inclusive, has averaged 24.0 inches. 



ICir. S4 1 



