166 REPORT OF OFFICE OF EXPERIMENT STATIONS. 



conditions on the development of this insect, with suggestions for 

 growing wheat so as to lessen the danger from this source. 



Bulletin 120, pp. 32. — Meteorological Summary. — Press Bulletins. — 

 A summary of meteorological observations during 1899 and for com- 

 parison similar data for previous years; and reprints of the press bul- 

 letins issued during the } T ear which have not already been incorporated 

 in the regular bulletins. 



Bulletin 121, pp. 70, figs. 5b. — A Condensed Handbook of the Dis- 

 eases of Cultivated Plants in Ohio. — Includes a popular discussion of 

 some of the causes of plant diseases and the means by which they -are 

 spread, descriptions of the more common diseases observed as occur- 

 ring in Ohio, directions for the preparation and use of fungicides and 

 insecticides, and a spray calendar. 



Bulletin 122, pp. H, pi. 1, figs. 2. — Onion Smut — Preliminary 

 Experiments. — A preliminaiy account is given of experiments con- 

 ducted for the prevention of onion smut, together with notes on the 

 onion-smut fungus and its distribution and manner of infection, and 

 general suggestions for the treatment of this disease. 



Bulletin 123, pp. 18, pi. 1. — Grape Rots in Ohio. — Experiments in 

 the Prevention of Grape Rot. — An account is given of the various 

 grape diseases, especial attention being paid to the black rot and the 

 white rot, and spraying experiments with Bordeaux mixture, formalin, 

 salicylic acid and lime, salicylate of soda, and copper sulphate for the 

 prevention of grape rot are reported. 



Bulletin 121^, VJP- ^- — ^ e Maintenance of Fertility. — Details and 

 results of a large number of field experiments with a variety of ferti- 

 lizers. The work is in continuation of investigations on the mainte- 

 nance of fertility reported upon in earlier publications of the station. 



Bulletin 125, pp. 12. — The Maintenance of Fertility. — Experiments 

 similar to those noted above, comparing superphosphate, muriate of 

 potash, nitrate of soda, and dried blood applied in different amounts 

 and combinations for potatoes, are reported. A rotation for potatoes 

 was studied in this connection. 



Bidletin 126, pp. 1$, pis. 5, fig. 1. — Sugar-beet Investigations in Ohio 

 in 1900. — A report on cooperative culture tests with sugar beets 

 throughout the State, including the results of germination tests of the 

 beet seed used, meteorological data for the year and for previous sea- 

 sons, a discussion of the beet-sugar industry in Ohio, a description of 

 the beet-sugar factory, and notes on sugar-beet culture and on the 

 more important diseases of sugar beets. 



Annual Report, 1900, pp. 29. — This contains the organization list of 

 the station; a financial statement for the fiscal year ended June 30, 

 1900; a report of the director reviewing the work of the station during 

 the year, discussing the relation of the station to the agriculture of the 

 State, and giving a list of acknowledgments, and the text of the orchard 

 and nursery inspection law. 



