File:Concentrate spraying in deciduous orchards (1958) (20684197681).jpg

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Title: Concentrate spraying in deciduous orchards
Identifier: concentratespray00cana (find matches)
Year: 1958 (1950s)
Authors: Canada. Dept. of Agriculture. Entomology Research Institute; Marshall, James
Subjects: Apples; Spraying and dusting in agriculture; Pulvérisation et poudrage en agriculture; Pulvérisation
Publisher: Ottawa (Queen's Printer)
Contributing Library: Agriculture and Agri-Food Canada – Agriculture et Agroalimentaire Canada
Digitizing Sponsor: Agriculture and Agri-Food Canada – Agriculture et Agroalimentaire Canada

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38 After the spray droplets have dried, the microscope slides are washed in distilled water to remove the dye, the quantity of which is determined by means of a spectrophotometer. This procedure gives a reasonably accurate estimate of the mass of the spray per unit of area at various distances from the ground and from the sprayer. It does not, however, provide any information about the size or uniformity of the spray droplets. That is done by microscopic examination of the white target cards. Droplet diameter is approximated by dividing stain diameter by a factor that represents the spread of the droplet after impact. Strips two inches by one inch in size are cut from the target cards, and so mounted on black photographic album paper as to represent their relative
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Figure 12—Mounted cards showing performance of an efficient concentrate sprayer. Note that all the targets received obvious spray coverage when the machine was 9 or 11 feet away from the spray frame.

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https://www.flickr.com/photos/internetarchivebookimages/20684197681/

Author

Canada. Dept. of Agriculture. Entomology Research Institute;

Marshall, James
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Flickr tags
InfoField
  • bookid:concentratespray00cana
  • bookyear:1958
  • bookdecade:1950
  • bookcentury:1900
  • bookauthor:Canada_Dept_of_Agriculture_Entomology_Research_Institute
  • bookauthor:Marshall_James
  • booksubject:Apples
  • booksubject:Spraying_and_dusting_in_agriculture
  • booksubject:Pulv_risation_et_poudrage_en_agriculture
  • booksubject:Pulv_risation
  • bookpublisher:Ottawa_Queen_s_Printer_
  • bookcontributor:Agriculture_and_Agri_Food_Canada_Agriculture_et_Agroalimentaire_Canada
  • booksponsor:Agriculture_and_Agri_Food_Canada_Agriculture_et_Agroalimentaire_Canada
  • bookleafnumber:40
  • bookcollection:canadianagriculturallibrary
  • bookcollection:toronto
  • BHL Collection
Flickr posted date
InfoField
18 August 2015


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20 August 2015

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current05:43, 20 August 2015Thumbnail for version as of 05:43, 20 August 20152,316 × 2,946 (1.44 MB) (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Title''': Concentrate spraying in deciduous orchards<br> '''Identifier''': concentratespray00cana ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fullte...

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