424 



INDEX 



Triticum sativum, 107. 

 Turnip, 231. 

 Two-rowed barley, 167. 



Variety tests, 83, 137. 

 Vetch, hairy : 



adaptations of, 294. 



cultural methods of, 295. 



description of, 294. 

 Vetch, spring, 297. 

 Vicia sativa, 294. 

 Vicia villosa, 294. 

 Vigna unguiculaW, 312. 



Weeder, use of, 75. 

 Wheat : 



adaptation of, 127, 128. 



bread wheats, 112. 



by-products of, 118. 



classification of, 107. 



club wheat, 110. 



common wheat, 110. 



cultivation of, 113. 



culture of, 129. 



districts in United States, 123. 



durum. 111, 126. 



flower of, 104-105. 



fungous diseases of, 142. 



grades of, 386. 



hard-wheats, 124. 



Wheat — continued : 



harvesting of, 134. 



head-row-test, 139. 



history of, 99. 



improvement of, 136. 



insect enemies of, 142. 



judging of, 141. 



kernels of, 106. 



leaves of, 103. 



milling of, 115. 



preparing land for, 129. 



preparing seed, 131. 



production of, 119. 



red-winter wheat, 123. 



roots of, 100. 



rotations for, 129. 



seeding of, 132. 



smut treatment, 132, 



soft wheats, 125. 



spikelets of, 104. 



stems of, 101. 



storage of, 136. 



types of, 107. 



uses of, 113. 



variety tests of, 137. 



yield of, 121. 

 White clover, 266. 

 Wire-worm, 93. 



Zea mays, 4, 30, 41. 



