438 INDEX 



Weeds, friendly words for, 102 Wild flooding, irrigation by, 256 



hoeing to kill, 180 Willow trees aid drainage, 78 



injury done by, 157 Wind as soil builder, 18, 50 



in sown crops, 163 Windbreaks, hedges and trees as, 278 



recipes for, 101 Wind-built soils, 50 



seeds of, 160 Windmills, use and cost, 247 



when they thrive, 160 Wisconsin, rotation in, 416 



Weight of soils, 26 Wood ashes benefit muck soils, 62 

 Wet soils are cold, 33 ashes, effect of, 402 



When to plow, 134-136 Worn-out soils in special need of 

 White mustard improves light sandy humus, 344 



soils, 342 how to restore, 342 



White sweet clover a soil improver, Wyoming, rotation in, 417 

 341 



1308 



