49] Obstbau. 419 



hervorrufen, Mangel an Kali und Kalk pflegt den Ertrag ebenfalls zu erniedrigen, 

 für Phosphorsäure konnte etwas Sicheres nicht nachgewiesen werden. 



Obstbau. 



747. Allen, W. J. Drying apricots and peaches. (Dept. Agr. N. S. 

 Wales, Farmers Bull., 14, p. 9.) Exp. Stat. Eec, 1910, XXII, p. 640. 



748. Ballaa, F. H. Protektion of fruit trees from rodents. (Ohio 

 Stat. Bull., 208, p. 53—70.) Exp. Stat. Rec, 1910, XXII, p. 144. 



749. Beacb, S. A. Problems in the pollination of fruits. (Trans. 

 lU. Hort. Sog., 1909, XLIII, p. 67.) Exp. Stat. Rec, 1910, XXII, p. 734. 



750. Beach, S. A. The present status of apple breeding in 

 America. (Amer. Breeders Assoc. Proc, 1909, V, p. 28.) Exp. Stat. Rec, 

 1910, XXII, p. 447. 



751. Brackett, G. B. Prevention of frost injury to fruit crops. 

 (U. S. Dept. Agr. Yearbook, 1909, p. 357.) Exp. Stat. Rec, 1910, XXIII, 

 p. 144. 



752. Coit, J. E. Olive culture and oil manufacture in the arid 

 Southwest. (Arizona Stat. Bull., 62, p. 525.) Exp. Stat. Rec. 1910, XXII, 

 p. 735. 



753. Daniel, L. Eia neuer Weissdorn-Mispel-Pfropf bastard. 

 (C. R. Acad. Sei. Paris, 1909, OXLIX, p. 1008.) 



754. Desmonlins, A. und Villard, V. Neue Beobachtungen über 

 fruchttragende Hybriden im Rhonetal. (Prog. Agr. et Vitic, 1909, 

 XXX, p. 604.) Exp. Stat. Rec, 1910, XXII, p. 340. 



755. Doty, W. F. Methods of preserving fruit fresh. (Daily Cons. 

 and Trade Rpts., 1909, No. 3672.) Exp. Stat. Eec, 1910, XXII, p. 341. 



756. Ferrari, E. Zitronenkultur in Paola. (Bol. Arbor. Ital., 1909, 

 V, p. 33.) 



757. Ferrari, E. The history and relationship of the citron 

 (Citrus medka). (Atti R. Ist. Incoragg. Napoli, 1909, pp. 21.) Exp. Stat. Rec, 

 1910, XXII, p. 240. 



758. Fisher, R. W. Fruit tree planting in Montana. (Montana 

 Stat. Bull., 77.) Exp. Stat. Rec, 1910, XXIII, p. 143. 



759. Faller, C. The export of citrus fruits. (Natal Dept. Agr. 

 Bull., 15, p. 26.) Exp. Stat. Rec, 1910, XXU, p. 737. 



760. Garcia, F. Apple culture under Irrigation. (New Mexico 

 Stat. Bull., 75, p. 3.) Exp. Stat. Rec, 1910, XXII, p. 735. 



761. Gonld, H. P. Fruit growing for home use in the central 

 and Southern Great Plains. (U. S. Dept. Agr. Bur. Plant Ind. Circ, 51, 

 p. 23, figs. 5.) Exp. Stat. Rec, 1910, XXIII, p. 42. 



762. Graig, J. Orchard planting plans. (West N. Y. Hort. See. 

 Proc, 1910, LV, p. 67.) Exp. Stat. Rec, 1910, XXII, p. 734. 



763. Hamilton, J. L. Experiments in orchard beating. (Ann. Rpt. 

 Bd. Hort. Colo., 1909, p. 41.) Exp. Stat. Rec, 1910, XXII, p. 240. 



764. Hitchings, E. F. Better fruits for Maine. (Bull. [Maine] Dept. 

 Agr., 1910, IX, No. 1.) Exp. Stat. Rec, 1910, XXII, p. 734. 



27* 



