A UNIT IN AGRICULTURE 



PART I. 

 I. SUGGESTIONS CONCERNING EQUIPMENT. 



A. Material to Be Collected by Teacher and Students at the Beginning of 



the Year. 



1 bushel clean sand. 



1 bushel sandy loam soil. 



1 bushel clay. 



8 quarts leaf mold (well rotted). 



1 bushel rich soil for use in growing house plants. 



Samples of commercial fertilizer, with analysis and prices given. 



Collection of economic seeds. 



(These may be secured free of U. S. Department of Agriculture. 

 In ordering this collection, address U. S. Dept. of Agriculture, Seed 

 Laboratory, "Washington, D. C. When you order; send $1.50 to 

 Mackall Bros., 9th and H Streets, N. E., Washington, D. C. This 

 is to pay for the tray and vials used in packing the collection. 

 Notify the Department that you have sent the money to pay for tray 

 and vials.) 



Collections of economic seeds prepared by teacher and students. 



1. Seeds of the following trees: oak, walnut, hickory, hazel, 

 apple, pear, peach, cherry, plum, etc. 



2. Cereals: corn, wheat, oats, rye, barley, rice, etc. 



3. Grasses and clovers: red clover, alsike, white clover, alfalfa, 

 timothy, millet, orchard grass, blue grass, Johnson grass, Bermuda 

 grass, cowpeas, redtop, etc. 



4. Common weeds: purslane, morning glory, Jamestown weed, 

 cocklebur, cheat, ragweed, horseweed, etc. 



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