. The American florist : a weekly journal for the trade. Floriculture; Florists. Millington, Mass. Tel. oflice, New Salem. Please mention the American Florist when writing. FUMIGATION METHODS By PROF. W. Q. JOHNSON Formerly State Entomologist of Maryland A Practical Treatise and timely work on cheap ana effective meausuf de^t^,' insect pests and other vermin in various plates. This wolk is the outcome of iiractical tests made by the author, to- gether with the experiences of others, and is one of the most important books published this season ami is nmrh needed at this time. It will be o
. The American florist : a weekly journal for the trade. Floriculture; Florists. Millington, Mass. Tel. oflice, New Salem. Please mention the American Florist when writing. FUMIGATION METHODS By PROF. W. Q. JOHNSON Formerly State Entomologist of Maryland A Practical Treatise and timely work on cheap ana effective meausuf de^t^,' insect pests and other vermin in various plates. This wolk is the outcome of iiractical tests made by the author, to- gether with the experiences of others, and is one of the most important books published this season ami is nmrh needed at this time. It will be of particular iuterest to FBCIT GROWERS AND NtJRSEKTMEN owing to the widespread prevalence of the notorious San Jose scale. Hydrocyanic acid gas is the only practical remedy tor the destruction of this pest and is being used more extensively than ever before bv narseryineu and fruit urowers. The i>erfection of the apparatus for fumigating young orchard trees is outlined in this work. The methods can be easily applied in orchards and nurseries for jiiany danger- ous pestsatvery small cost. The writer is consid- ered the best autiioiity on thissubject in this country and has left nothing undone to make this the most complete work of the kind ever published. GARDENERS AND FLORISTS have found that ve;:etables and flowers caimot be grown under glass without frequent fumigation for the aestrnctioii ot insect pests. Hydrocyanic acid gas has solved this problem. The methods of pro- cedure are fully described and ever}' detail is given tor generating and applying the gas. MltlLEKS AND GRAIN DEALERS have been lonkine forward to the publication of this work, as hydrocyanic acid gas has been found one ot the most imnortant materials for clearing mills and warehouses ot insects. The subject of carbon bi- sulphide for fumigating mills and elevators con- taining grain in storage Is also thoroughly consid- ered. To this trade the work is indispensable and transportation companies have foinid
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