Silvicultural fertilization

Details Silvicultural fertilization Silvicultural fertilization

1976-02-04

1977-07-05

Spear, Jr., Frank A.

Chemistry: fertilizers

Processes and products

Organic material-containing

71 28, 71 64C, 71 1, 47DIG13, C05C 900, C05C 100

Patent

active

040337472

ABSTRACT:
Forested areas can be fertilized with a minimal disturbance of the ecology by the foliar application to the trees of concentrated solutions of plant nutrients. The forested areas are fertilized by the application of from 25 to 600 pounds of nutrients, typically of nitrogen, per acre of a solution containing from 12.5 to 75 weight percent of plant nutrients as a nitrogenous fertilizer such as urea, ammonium nitrate, potassium nitrate, ammonium sulfate, ammonia, ammonium phosphate and mixtures thereof, together with optional minor nutrients such as soluble trace metal salts or complexes to the foliage of the trees. The solutions are aerially applied in a total volume spray of from 15 to 200 gallons per acre which is sufficient to effect distribution of the fertilizer, but insufficient to cause any substantial drainage from the foliage to the surface soil.

REFERENCES:
patent: 2869996 (1959-01-01), Vierling
patent: 2978309 (1961-04-01), Buc
patent: 3046105 (1962-07-01), Young
patent: 3539325 (1970-11-01), Young et al.
patent: 3558300 (1971-01-01), Wagner
patent: 3640698 (1972-02-01), Backlund
patent: 3663197 (1972-05-01), Backlund
Feeding Plants with Foliage Sprays, Beattie, Horticulture, vol. XXXI, May 1953, pp. 209-217.

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