FARM CROPS. 



197 



cific Coast, and is more and more becoming important 

 in the sandy soil along the Atlantic Coast, as it grows 

 rapidly on relatively poor soils. It is highly relished 

 by live-stock both as pasture and as hay. 



AMOUNT OF SEED PER ACRE FOR SOME OF OUR 

 FORAGE CROPS 



Alfalfa (broadcast) . . . 20-30 Ibs. 



Alfalfa (drilled) 15-20 Ibs. 



Alsike Clover 5-8 Ibs. 



Bermuda 3-5 Ibs. 



Cowpea (drilled) % bu. 



Crimson Clover 15-20 Ibs. 



Italian Rye Grass 20-30 Ibs. 



Johnson i-i Y<L bu. 



Kentucky Blue 3-4 bu. 



Lespedeza 10-15 Ibs. 



Meadow Fescue 20-25 Ibs. 



Millet % bu. 



Orchard % bu. 



Red Clover 10-15 Ibs. 



Red Top (recleaned). . . 12-15 Ibs. 



Rescue 30 Ibs. 



Tall Meadow Oat Grass.3O~5O Ibs. 



Teosinte 4-5 Ibs. 



Timothy 10-20 Ibs. 



Velvet Bean (drilled).. . 2 pks. 

 Velvet Bean (broadcast) i bu. 

 Vetch (common) i bu. + 1 bu.cereal 



EXERCISE. How do legumes enrich the soil? Do the crops that fol- 

 low legumes generally give higher yields ? Ask your parents for the 

 names of the varieties of cowpeas. Bring seeds of all the varieties 

 of cowpeas you can secure to the classroom and describe them. Do 

 your folks always receive clean seed ? Bring specimens of grasses 

 and legumes to school and make a thorough examination of their 

 roots and general structure. Examine the roots of the legumes for 

 the nodules. 



The teacher should take the class to the fields and identify the 

 grasses and legumes prevalent in the section. This subject can be 

 made very interesting by such outdoor study. 



SECTION XXVIIL WEEDS. 



By PROF. LYMAN CARRIER, 

 Department of Agronomy, Virginia Polytechnic Institute. 



A Weed is a Plant Out of Place. There is no set 

 line of demarkation between weeds and our most valu- 

 able farm crops, and many useful plants were once 

 considered troublesome pests. Plants that are con- 

 sidered weeds in one part of the country may be staple 

 farm crops in another. Artichokes are looked upon 

 with disfavor by a great many farmers, because they 

 are inclined to grow wild and persist in the land for 

 a number of years. If pastured with hogs, however, 



