Application of agricultural polyammonium acrylate or polyacrylam

Details Application of agricultural polyammonium acrylate or polyacrylam Application of agricultural polyammonium acrylate or polyacrylam

1991-10-24

1993-02-09

Hollrah, Glennon H.

Plant protecting and regulating compositions

Plant growth regulating compositions

71 27, 71 6409, 71DIG1, 504320, 504339, A01N 2504, C05G 304

Patent

active

051850249

ABSTRACT:
This invention discloses methods for manufacture and use of poly(ammonium acrylate) and polyacrylamide hydrogels in agricultural applications. Such hydrogels are applied to the soil or the plants by spraying. Spraying is advantageous over other methods of application, such as mixing with soil and broadcasting because of enhanced plant contact, evenness of distribution, and reduced labor. The gels are prepared for spraying by adding water to provide a readily deformable polymer which will pass through a spray apparatus. The hydrogels sprayed may include additives including micronutrients, maconutrients, pesticides, microbes, plant growth regulators, surfactants, and freezing point modifiers. Use of the hydrogels saves irrigation water and ameliorates salting of irrigated cropland. Sprayed hydrogels may also be used to protect crops from freezing and to protect foliage from desiccation.

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patent: 4797145 (1989-01-01), Wallace et al.
Tanaka, et al., Water-Retaining Agent for Agricultural Gels, Chemical Abstracts 109: 53920a, 1988.

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