COVER-CROPS 139 



* Bean. 



* Beggar weed. fl qt. of spring or winter 



* Spring vetch (Vicia saliva). | vetch (seed) weighs 

 Rape. [ If Ib. 



Turnip. 



Oats. 



Barley (little used). 



Buckwheat. 



Maize. 



Millet (little used). 



Average quantities of seed per acre for heavy cover-crops in fruit plantations 



Barley 2-2^ bu. 



Beans 13^-2 bu. 



Beggarweed 5-8 Ib. 



Buckwheat 1^ bu. 



Clover, red 10-15 Ib. 



Clover, mammoth 15-20 Ib. 



Clover, crimson 15-20 Ib. 



Cowpea 1^-2 bu. 



Maize 2-3 bu. 



Millet IK bu. 



Oats 2-3 bu. 



Pea . 2-3 bu. 



Rape 2-5 Ib. 



Rye 1^-2 bu. 



Soybean 2-4 pk. 



Sweet clover 10-12 Ib. 



Turnip 41b. 



Velvet bean 1-4 pk. 



Vetch 20 Ib. to 1^ bu. 



Wheat 2-2H bu. 



Alfalfa (20 to 24 Ib. to the acre) is sometimes used as a cover-crop 

 in orchards, being plowed a year from sowing or allowed to remain for 

 a longer period. Various combinations or mixtures are also used : as 

 mammoth clover, 6 Ib., alfalfa, 10 Ib., turnip, 2 to 3 oz. ; alfalfa, 6 Ib., 

 crimson clover, 6 Ib., alsike clover, 3 Ib., strap-leaf turnip, 2 to 3 oz., 

 all sown in midsummer. Cowpeas in drills and cultivated, and rye, 

 rape, or turnips added at the last cultivation. Winter vetch, 1 bu., 

 rye, bu. Cowpea, l bu. ; red clover, 6 Ib. Oats, 2 bu. ; peas, 2 bu. 



Catch-Crops 



Catch-crops are those crops that occupy the ground for short inter- 

 vals between the growing of other crops, in order to secure more prod- 

 ucts within a given time. 



