INDEX 



319 



soil, texture 18, 56, 83 



tillage 93 



ventilation 27 



water 23 



soiling crops 133 



system 244 



sorghum 135, 165 



soy bean 107, 138 



sparrow, English 229 



sparrows 226 



spiracle 209, 220 



spores 200, 202, 205, 206 



spraying 173, 206, 220 



formulas 306 



stable manure 112 



benefits of 112 



composting 114 



sources of loss 113 



value of 112 



stamen 43, 50 



State Agricultural Experiment Sta- 

 tions 299 



stems, prostrate 48 



upright 48 



stigma 43 



stock 169 



stock raising 235 



profits in 236 



strawberry 50, 182 



style 43 



subsoil 9, 82, 87, 92, 96 



subsoiling 96 



sugar beets 165 



cane 164 



producing plants 164 



sulphate of potash 118,305 



sulphur 30 



sulphuric acid 118 



surplus products 177 



swarm 276 



tachina fly 222 



taproots 37, 46, 105 



terraces 89 



tester, seed 70, 71 



thorax 209 



thoroughbred horse 255 



tick or Texas fever 252 



tile drains 88 



tillage 93, 193 



tillage, benefits of 93 



see cultivation 



tobacco 65, 69, 104, 1 60 



cultivation of 161 



fertilizing 163 



range of 160 



seed selection 163 



tomato 179 



tools 287 



care of 292 



profits from use of .... 289 



transpiration 24 



transplanting .... 62, 169, 172 



rules for 63, 172 



transported soil 12 



trap crop 219 



tree planting 285 



products 280 



trees 279 



benefits of 280 



see forests 



truck farming 177 



tubercle 55, no 



tuberculosis 251 



turkeys 269 



variation 73 



vegetable garden 176 



cultivation of 176 



location of 176 



value of 176 



ventilation of soil 27 



vitality 67 



water as soil maker 

 transporter . . 



. . . 10 

 .... 13 



table 23 



uses of 22, 40 



weeds 94, i6, 191 



annual 194 



biennial 195 



foreign *93 



harm done by I9 1 



how to destroy . . . . 192, 193 



native 193 



perennial 196 



seed, sowing of i9 2 



weevil IQ 6 



Mexican cotton boll . . . 215 



wheat 7i> 107, 130, 146 



