INDEX 



1105 



Sheep, shearing, 616 



sheds, 558 

 Sheep, Cheviot, 611 

 Cotswold, 609 

 Dorset Horn, 611 

 English, 608 

 Fine-wool, 611 

 Hampshires, 611 

 Leicester, 609 

 Lincoln, 610 

 Merino, 611 

 Oxfords, 610 

 Shropshire, 610 

 Southdown, 610 

 Spanish, 608 

 Spanish Merino, 608, 612 

 Sheepsbur, 367 

 Shellbark, 506 

 Shelters, corn, 730 

 Shepherd's-purse, 366 

 Shingles, 708 

 Shoes, 1044 



"Shot hole" diseases, cherry, 

 947 

 peach, 945 

 Shrubs, for planting, 537 

 Sick animals, examination, 

 934 

 nursing, 933 

 pose, 934 



rational treatment, 936 

 Silage cutter, 731 

 Silo, 701 



capacity, table, 1082 

 construction, information, 



703 

 doubled livestock produc- 

 tion, 592 

 forms, 702 

 location, 698 

 size, 702 

 Silt, 51 



Silt loam soils, 41 

 Skin, animals, condition, 



934 

 Slaughter house by-products, 



72 

 Small fruits, 438-455 

 soil, 46, 47, 49, 429 

 Smooth pigweed, 364 

 Smoothing harrow, 718 

 Smut, corn, 962 

 oats, 964 

 onion, 957 

 loose, wheat, 962 

 stinking, wheat, 964 

 Soap as insecticide, 1010 

 Social relation of farm labor, 



864 

 Societies, agricultural, 1051 

 Sodium nitrate, 72 

 Soft rot, carrot, 957 

 sweet potato, 961 

 Soil, absorptive power, 53 

 alkali indicated by plants, 



64 

 capillary moisture, 133 

 chemical analysis little help 



to the farmer, 58 

 chemical composition, 58 



Soil, classification, 33-40 



decomposition, 35 



defined, 35 



diseases, 938 



drainage increases fertility, 

 137 



how formed, 35 



injury, 151 



leaching, 36 



needs lime, 115 



plasticity, 54 



samples tested by experi- 

 ment stations, 11(3 



tests for lime, 116 



tillage when wet, 54 



good tilth important, 56 



utilization, 33 



water-holding capacity, 51 



water movement, 53 



water-storage capacity, 135 

 Soil, granular structure, 55 



improvement, 56 

 Soil, saturated, 132 

 Soil, sour, 116 

 Soil, wet, 137 

 Soil acidity, 116 



indicated by plants, 63 



lime corrects, 121 



tolerance of plants, 116, 

 117, 118 

 Soil adaptation, 40 



corn, 180 



mountain region, table, 48 



North Central region, 45 

 table, 46 



Northeastern States, tables, 

 44 



Pacific coast region, table, 

 49 



plains, table, 48 



South Atlantic coast region, 

 45 



South Atlantic region, 

 table, 47 



South Central region, 45 

 table, 47 

 Soil aeration, 37 

 Soil analysis, mechanical, 39 

 Soil auger, 50 

 Soil bacteria, 59 



lime affects, 121 

 Soil compacting, 147 

 Soil erosion, 65 



manure lessens deteriora- 

 tion through, 108 



preventing, 150 

 Soil experts, 50 

 Soil fertility, affects cost of 

 production, 806 



color index to, 64 



cover crops increase, 68 



crop rotations heln to main- 

 tain, 67, 166 



defined, 62 



drainage increases, 63, 69 



an economic problem, 70 



farming systems that main- 

 tain, 66 



legumes increase nitrogen, 

 68 



Soil fertility, loss by erosion, 

 65 



loss by plant removal, 64 



how to maintain, 62-70 



maintained by livestock, 

 551 ) 



deep plowing advanta- 

 geous, 66 



tillage advantageous, 67 

 See also Plant food. 

 Soil fluid, 36 

 Soil gases, 37 



Soil inoculation, for alfalfa, 

 263 



for clovers, 247 



soy beans, 287 

 Soil management, 142-153 

 Soil minerals, 36, 57 



solubility, 57 

 Soil mulches, 150 



evaporation reduced by, 

 135 

 Soil problems, aids to solu- 

 tion, 49 

 Soil province, 38 

 Soil region, 38 

 Soil samples, 50 

 Soil solids, 36 

 Soil structure, 55 

 Soil surveys, 38, 49 



detailed, 49 



reconnoissance, 49 

 Soil temperature, affected by 



soil water, 135 

 Soil tests, fertilizers, 82 

 Soil texture, 39, 51 



affects crop adaptation, 54 



affects tillage, 55 

 Soil water, 36, 130-137 



conservation, 135 



forms, 132 



removing excess, 137 

 Soiling system, 820 

 Soils, clay, 41 



Eastern, not worn out, 43 



extensive type, composi- 

 tion, table, 1074 



lime content, 115 



loam, 41 



residual, 35 



sandy, 42 



sandy loam, 42 



transported, 35 

 United States, 38 

 Soluble sulphur, 1008 

 Sooty mould, citrus fruits, 948 

 Sore shin, cotton, 966 

 Sorghum, 289 



sugar from, 327 

 Sorghum molasses, 327 

 Southern corn root worm, 977 

 Sows, feed for brood, 603 



mature, for breeding, 599 

 Soy beans, 285, 297 



fertilizers, 287 



for grain, 297 



harvesting, 287 



seeding, 286 



soil inoculation, 287 



tillage, 287 



70 



