32 



DEPARTMENT OP AGRICULTURE, BULS. 151-175. 



Bulletin. 



Soils— 



Elkton, comparison with sassafras soil, note 



forest nursery at Halsey, Nebr., and Morrisville, Pa., 



characters, analyses, etc , 



sandy, damage to seeds and roots by disinfectants 



in forest nurseries 



sassafras — 



crop uses and adaptations 



distribution 



series 



series, occurrence in North Atlantic coastal 



plain 



series, types, characters, and productive value, 

 series, types, occurrence, crops suitable, man- 

 agement, etc 



Texas, San Antonio experiment farm, types, nature, 



etc 



vanillin, relation to plant life, field test 



South Dakota, farm tractors, number, effect on industry, 



financial investment, etc 



Sparassis crispa, description and value 



Sparassis, genus, characters 



Spraying machine, compressed-air, for quassiin solution 

 Sprays, arsenical, for insects, cactus solution as adhesive. . 

 Spruce — 



Norway — ■ 



planting in mixtures 



planting, soil requirements, value, etc 



stumpage value 



white, planting, eastern United States, note 



Staves, water pipe, dimensions, requirements, etc 



"Steam tractor," use of term 



Steel bands — 



protective coating on wood pipe 



wood pipe construction, requirements 



Stone fruits, growing in San Antonio region, experi- 

 mental work 



Strawberries — 



destruction by robins, note 



growing on sassafras soils of various types 



Strobilomyces, genus, characters, descriptions of spe- 

 cies, etc 



Stropharia, genus, characters, description of species, etc. . 



Subsoiling, cost, comparison with plowing 



Sugar-beet wireworm, damage to alfalfa 



Sulphuric acid — 



application to nursery soil, method, effect on seeds 



and roots, etc 



damage to seeds and roots, relation of strength to 



damage 



disinfectant for forest nurseries, injury to seeds and 



roots in sandy soils 



effect on various plants 



Sun scald, injury to lodgepole pine 



Sunderland area, geological formation and deposits . 



Sweet potatoes, growing on sassafras soils of various 

 types 



Taeniothrips pyri. See Pear thrips. 



Talbot area, geological formation and deposits 



Tanbark, consumption, 1900, 1905-1909 



Tankage, nitrogen content of different kinds 



159 



169 



169 



159 

 159 

 159 



159 

 159 



159 



151 

 164 



174 

 175 

 175 

 165 

 160 



153 

 153 

 153 

 153 

 155 

 174 



155 

 155 



162 



171 

 159 



175 



175 

 157 

 156 



169 



169 



169 

 169 

 154 

 159 



159 



159 

 152 

 158 



2 



1-2 



1-35 



44-50 



2-4 



1-52 



4-16 

 16-50 



16-50 



2 

 1-9 



6,8,9 



46 



46 



5.6 



1-20 



30 



30 



30 



35 



6-7 



2 



12 



7-11 



5-12, 18, 



21, 23-24 



4-5 

 22-23, 31-32 



39^0 

 34 



15-16 

 19 



2-9, 30-31 



12-14 



2-9 

 16-19, 30-31 



24 

 13, 14, 15 



21, 31, 47, 49 



11-13, 14, 15 



13 



3 



