GLOSSARY 



Acid phosphate. A fertilizer usually containing 12 to 18 per 



cent of available phosphoric acid ; it is made by treating 



ground rock phosphate with sulfuric acid. 



Alabama argillacea. The scientific name of the cotton caterpillar. 

 Aleurone layer. The thin layer just below the seed-coats and 



constituting a part of the endosperm of the seed. 

 Amides. Organic compounds rich in nitrogen, but not serving 



all the uses of certain other forms of protein. 

 Analysis. Statement of chemical composition. 

 Andropogon sorghum. The scientific name of all the sorghums, 



including sweet sorghum, kafir, and milo. 

 Angoumois moth. The larvae of this insect is a serious pest of 



wheat and corn grain. 

 Anthers. Pollen cases. 

 Anthronomus grandis. The scientific name of the Mexican 



cotton boll weevil. 

 Aphids. Small insects, usually called plant lice, injuring young 



cotton and other plants. 



Arachis hypogea. The scientific name of the peanut plant. 

 Ash. Ashes, or the incombustible mineral residue left after 



burning vegetable or animal matter. 



Auricle. Clasps, or small projections where leaf-blade and leaf- 

 sheath unite. 

 Axil of the leaf. The angle between the leaf and the stem from 



which it springs. 



Back-furrowing. That form of plowing in which successive pairs 



of furrow slices are thrown toward each other. 

 Bacteria. Minute vegetable organisms, some of which cause 



certain diseases of plants and animals. 

 Bagasse. The refuse or crushed stalk of sugar-cane or sorghum 



after the juice is pressed out. 



Bagging. The common cloth covering around cotton bales. 

 Bake. To form a crust or clod. 



Balk. A narrow unplowed strip of ground between rows. 

 Barring-off. Throwing the earth away from a line of plants by 



using a turn-plow, 



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