INDEX 



519 



PAGE 



Fertilizer, Guano 333 



High grade 343 



Hoof meal 334 



In relation to organic matter . . .361 



Insoluble potassium 342 



Inspection 344 



Kainit 341 



Lime-nitrogen 330 



Low grade 343 



Methods of applying 347 



Mineral phosphates 335 



Mixing on the farm 346 



Muriate of potash 341 



Nitrogen lime 330 



Organic nitrogen in 332 



Part in soil management 465 



Practice 342 



Reverted phosphoric acid 338 



Silvinit 341 



Sodium nitrate 324 



Stassfurt salts 340 



Steamed bone 335 



Sulfate of potash 341 



Superphosphates 337 



Tankage 334 



Trade value 344 



Used for their nitrogen 324 



Used for their potassium 340 



Wood ashes 342 



Fertilizing, for cereal crops 295 



Fruit crops 296 



Grass crops 295 



Leguminous crops 296 



Root crops 296 



Vegetables 296 



Field soil, surface area 83 



Available water in 157 



Film water 146 



Film movement of water 169 



Horizontally 184 



Film water and structure 105 



Film moisture, renewal of wastes 



water 198 



Flocculation, affected by soluble 



salts 116 



Produced by carbonate of lime. 352 



Produced by caustic lime 352 



Relation to structure 116 



Flooding in irrigation practice. . . .229 

 Crops and conditions permitting 230 

 Disadvantages of 231 



Food, in soil, as factor in plant 



growth 1,2 



PAGE 



Food supply in soil, affected by 



drainage 44 



Food of animal, effect on value of 



manure 375 



Force of frost in formation 20 



Formation of soils, elements lost 



in 34,36 



Forms of soil 141 



Friction, effect on movement of 



water 172 



Friction determined by texture. . . 172 

 Determines capillary efficiency . 180 

 In movement of soil moisture, 



time element 172 



In moisture movement, relation 



to mulch 182 



Retards movement of moisture .180 

 Frost, force of in disintegration. . . 20 

 Fruits, absorption of nutrients. . .296 



Functions of manures 384 



Functions of soil 1 



Soil air 437 



Soil bacteria 403. 



Water in soil and plant 133 



Fungi, large, effect on the soil. . . .390 



Microscopic, in the soil 392 



Furrow back, meaning of 475 



Dead, meaning of 475 



Irrigation, conditions and crops 



permitting 231 



Irrigation, disadvantage of 231 



Irrigation, principles of 231 



Proper width and depth of 472 



Gallagher, expansion of soil by 



water 162 



On soil shrinkage 98 



Soil moisture and physical prop- 

 erties 156 



Geological classification of soils. . . 30 



Geology, not soils 2 



Relation to soil study 2 



Georgeson, on effect of manure on 



soil temperature 464 



Germination, effect of soil tempera- 

 ture on 448 



Gilbert, and Laws, water used by 



plants 134 



Glacial ice, agency in rock decay. . 27 



Influence on topography 28 



Glacial soils, character of 54 



Chemical character of 56 



Composition of 57 



