Biodegradable polymeric concentrate
AssigneeBiocentral Laboratories Limited
InventorGeoff Turley
Life of this patent
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Abstract
The invention concerns a composition which increases water retention and water absorption in a plant media, such as soil. In particular, the invention relates to a biodegradable polymeric water retention concentrate that when diluted and applied to various plant media improve water, fertilizer and nutrient retention in plant media with no root uptake or phyto-toxic effects. The composition includes a polyacrylamide (PAM), a water softener, a surfactant and nutrients. The composition can be delivered to the plant media through existing irrigation systems and nutrient/fertilizer delivery systems, such as venturi, fertigator, separate mixing tank or any induction system.
Claims22
A water retention composition for treating plant media comprising a linear acrylamide copolymer of acrylamide, sodium acrylate, a water softener, a surfactant and nutrients.
A water retention composition for treating plant media comprising:
- 0.05 to 3% w/v of a linear acrylamide copolymer of acrylamide and sodium acrylate;
- 0.02 to 1% w/v of nutrients;
- 0.03 to 5% w/v of a water softener;
- and 0.05 to 15% w/v of a surfactant.
A water retention composition for treating plant media, having a pH of 8.0, comprising:
- 0.11% w/v of an anionic a linear acrylamide copolymer of acrylamide and sodium acrylate;
- 0.017% w/v of nutrients;
- 0.1% w/v of sodium nonylphenol ethoxy sulphate;
- and 0.05% w/v of sodium tripoly phosphate.
A method of preparing a water retention composition for treating plant media, comprising the steps of:
- placing water in a mixing vessel, adding a water softener and mixing for approximately 10 minutes;
- whilst mixing is still in progress adding nutrients and mixing for approximately a further 10 minutes;
- whilst mixing is still in progress adding a linear acrylamide copolymer of acrylamide and sodium acrylate to the mixing vessel and mixing for approximately a further 45 minutes;
- whilst mixing is still in progress adding a surfactant and mixing for approximately a further 15 minutes;
- emptying finished product into a holding/filling tank wherein said finished product is allowed to sit for 4-6 hours prior to packaging;
- and
- packaging the finished product.
Dependencies are inferred from the claim text.