Perennial weed control by deep placement of volatile soil fumiga

Details Perennial weed control by deep placement of volatile soil fumiga Perennial weed control by deep placement of volatile soil fumiga

1971-03-05

1976-06-22

Bagwill, Robert E.

Planting

Drilling and broadcasting

Main and auxiliary frame machines

47 58, A01C 2302

Patent

active

039644057

ABSTRACT:
Perennial weeds are controlled by deeply placing selected volatile chemical soil fumigents, 14 to 24 inches below ground level, at 18 to 30 inches of horizontal spacing, and applied at rates ranging between 2.5 to 30 gallons per acre, to destroy their vegetative and reproductive roots. Examples of such perennial weeds that are effectively and economically controlled and/or eliminated are morning glory, which is also called field bindweed or Convolvulus arvensis and Canadian thistle, which is also called Cirsium arvense. Examples of the volatile soil fumigants are respectively: 1-3 dichloropropene and related chlorinated C 3 hydrocarbons containing fumigants known by various marketing names and symbols, such as Telone, Vidden-D DD, 1-3 D, and Vorlex; Methyl bromide contaning fumigants known as M. B.; and/or ethylene dibromide containing fumigants known as E.D.B. Deep placement is undertaken: by operation of spot penetrating injectors; through operating furrowing equipment; and by utilization of tooth or chisel appliators that are attached to tractor mounted cultivators or trailer type cultivators.

REFERENCES:
patent: 2424520 (1947-07-01), Tonkin
patent: 2448265 (1948-08-01), Kagy et al.
patent: 2473984 (1949-06-01), Bickerton
patent: 3146740 (1964-09-01), Phillips
patent: 3184891 (1965-05-01), Frantzen
patent: 3581685 (1971-06-01), Taylor

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