6 DEPARTMENT OF AGRICULTURE BULS. 1101-1125. 



Fertilizers — Bulletin No. Page. 



analysis, tables for identification of inorganic salts 1108 10-21 



influence on internal browning of apples 1104 15-16, 24 



Fir- 

 balsam, lumber production, by States, 1920 1119 53 



Douglas — 



adaptability for shelter-belt planting. 1113 11 



lumber production, by States, 1920 1119 43 



white, lumber production, by States, 1920 1119 50 



Fire, menace to pine reproduction : 1105 133, 141 



Flax, heat canker, investigations, bulletin bv C. S. Reddy and 



W. E. Brentzel .' 1120 1-18 



Flaxseed, production area 1120 1 



Florida — 



citrus mealybug, natural control, bulletin by A. T. Speare. . 1117 1-19 



r 27, 30-35, 



lumber cut, 1920, 1870-1920, value and kinds 1119] 43, 46, 47, 



[56, 58, 61 



Flour mills, wheat by-products, marketing, prices, grades, etc 1124 2-20 



Flume — 



short-box measuring, construction, standard dimensions, etc. . 1110 1-5 

 short-box measuring, for irrigation farmers, bulletin by Carl 



Rohwen .' 1110 1-14 



water discharge, measurement formulas and tables 1110 5-13 



Fly, Hessian, outbreaks in 1921 1103 9-11 



Forecasting, entomological, data important 1103 1-3 



Forest products, injury by lead-cable borer 1107 9-11, 



Forests — • 



National — 



natural reproduction of yellow pine in Southwest, bulle- 

 tin by G. A. Pearson 1105 1-144 



reproduction of western yellow pine in Southwest 1105 1-144 



sample plots of reproduction, description and records 1105 5-8 



Frozen products, proportioning ingredients by balance method, 



bulletin by O. E. Williams 1123 1-13 



Fry— 



W. H., M. S. Anderson, P. L. Gile, H. E. Middleton, and 

 W. O. Robinson, bulletin on Soils, "Colloidal and noncol- 



loidal soil constituents " 1122 1-20 



William H., bulletin on Salts, "Tables for the microscopic 



identification of inorganic salts " 1108 1-22 



Fungi, entomogenous, factor in control of insects in Florida 1117 1-2 



Fungicides, use on citrus trees, encouragement of mealybug 1117 14-18 



Fungus, enemy of western yellow pine saplings 1105 133 



Fuses, telephone, injury by ''hide beetle' ' 1107 3-4 



Georgia — 



bean beetle, outbreaks in 1921 1103 33 



lumber cut in 1920, 1870-1920, value and lands 1119( ^ ''' ^3;;;^^ 



Gile. P. L., M. S. Anderson, W. H. Fry, H. E. Middleton, and 

 W. O. Robinson, bulletin on Soils, "Absorption by* colloidal 



and noncolloidal soil constituents" 1122 1-20 



Gins, communitv, advantage in one-varioty cotton growing 1111 13-15 



Gipsy moth, spread in 1921 1103 48-50 



Girdling trees, experiments for control of apple browning 1104 17-22, 24 



Gophers, enemies of pine seedlings 1105 135 



Grades, feedstuffs, from wheat 1124 11-12 



Grading, wheat feeds, information need, etc 1124 11-15 



Grapefruit — 



citrus scab disease, description and injury 1118 3-4 



inoculation with citrus scab, results 1118 24-27 



scab. See Scab, citrus. 



susceptibility to citrus scab 1118 2, 3, 22, 26 



Grazing — 



benefits to pine reproduction 1105 129-130 



f 45-49. 



forest, effect on pine seedlings 1105< 115-132,' 



I 140 



