FR948978A - Improvements to methods of covering objects, in particular for the defense of crops - Google Patents

Improvements to methods of covering objects, in particular for the defense of crops

Info

Publication number
FR948978A
FR948978A FR948978DA FR948978A FR 948978 A FR948978 A FR 948978A FR 948978D A FR948978D A FR 948978DA FR 948978 A FR948978 A FR 948978A
Authority
FR
France
Prior art keywords
defense
crops
methods
covering objects
covering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Georges Truffaut
Pierre Hampe
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR948978A publication Critical patent/FR948978A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00—Protecting plants
    • A01G13/06—Devices for generating heat, smoke or fog in gardens, orchards or forests, e.g. to prevent damage by frost
    • A01G13/065—Frost protection by generating fog or by spraying

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Environmental Sciences (AREA)
FR948978D 1947-07-02 1947-07-02 Improvements to methods of covering objects, in particular for the defense of crops Expired FR948978A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR948978T 1947-07-02

Publications (1)

Publication Number Publication Date
FR948978A true FR948978A (en) 1949-08-17

Family

ID=9474337

Family Applications (1)

Application Number Title Priority Date Filing Date
FR948978D Expired FR948978A (en) 1947-07-02 1947-07-02 Improvements to methods of covering objects, in particular for the defense of crops

Country Status (1)

Country Link
FR (1) FR948978A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3418972A (en) * 1966-11-19 1968-12-31 Fuji Photo Film Co Ltd Powder dusting device for electrophotography

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3418972A (en) * 1966-11-19 1968-12-31 Fuji Photo Film Co Ltd Powder dusting device for electrophotography

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