Title: Top desiccation of crop plants

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Claims: What is claimed is:

1. A method for facilitating the harvestability of a root crop, such as potatoes, beets, onions, carrots, and the like, comprising the steps of:

a. allowing said root crop to substantially mature,

b. contacting the above-ground portions of said root crop with a high-voltage source of electricity so that the above-ground portions of said crop are desiccated but so that the tubular portions thereof are not harmed, and

c. harvesting said root crop several days after contacting of the above-ground portions of said root crop with high-voltage electricity.

2. A method as recited in claim 1 wherein said root crop is potatoes, and wherein approximately from 11 kw to 15 kw of output power is provided per foot width of potatoes treated, and wherein said root crop is harvested approximately 10-20 days after said above-ground portions of said root crop are contacted with said high-voltage source of electricity.

3. A method as recited in claim 1 comprising the further step of increasing the conductivity of the soil in the area of said root crop prior to contacting the above-ground portions of said root crop with electricity by applying water with ionic materials therein on the soil in the area of said root crop.

4. A method as recited in claim 1 comprising the further step of increasing the conductivity of the soil in the area of said root crop prior to contacting the above-ground portions of said root crop with electricity by applying water on the soil in the area of said root crop.

5. A method as recited in claim 1 comprising the further step of applying a chemical defoliant or the like to said root crop before contacting the top portions of said root crop with electricity.

6. A method as recited in claim 1 comprising the further step of applying a chemical defoliant or the like to said root crop after contacting the top portions of said root crop with electricity, but before harvesting of said crop.

7. A method as recited in claim 1 wherein said crop is potatoes, and wherein at least 250 milli-amperes of current is applied to each stem of said crop.
Other info:

Inventors: Pluenneke, Ricks H. (Forth Worth, TX, US)
Dykes, Willis G. (Vicksburg, MS, US)

Application Number: 653542
Filing Date: 1976-01-29
Publication_date: 1977-02-15
Assignee: Lasco, Inc. (Vicksburg, MS)
Primary Class(es): 171/1 47/1.3
Other Classes:
US Patent Ref:

2007383	Jul, 1935	Opp	47/1.
3183650	May, 1965	Ferris	47/1.
3626636	Dec, 1971	Wheeler	47/1.

Other Refs:
Primary Examiner: Bagwill, Robert E.
Assistant Examiner:
Attorney: Cushman, Darby & Cushman