Fertilizer pouch
AssigneeSyngenta Crop Protection AG
InventorsMatthew Blanchard, James Lloyd Gibson
Life of this patent
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Abstract
The present invention relates to methods and compositions for a fertilizer pouch comprised of hot water soluble polyvinyl alcohol. Methods and compositions for reducing leached nutrients are also provided including but not limited to: Iron, Manganese, Copper, Bicarbonate, Zinc, Phosphorus, Molybdenum, Ammonia, Nitrogen, Calcium, Potassium, Sulfate, Magnesium, Sodium, Chloride, Inorganic Nitrogen, and Total Nitrogen. Further, methods and compositions for treating a plant are provided.
Claims7
A plant fertilization pouch comprising:
- a) a fertilizer composition comprising controlled release fertilizer;
- and
- b) a hot water-soluble pouch encapsulating said fertilizer composition, wherein the hot water-soluble pouch dissolves in water only at 41 to 80 degrees Celsius.
A method of reducing leached nutrients:
- a) packing fertilizer into hot water-soluble PVA packs;
- b) adding the fertilizer pack of step a) to a potted plant;
- and
- c) watering the potted plant as necessary,
- wherein the amount of leached nutrients is reduced compared to fertilizer alone, wherein the hot water-soluble pouch dissolves in water only at 41 to 80 degrees Celsius.
A method of treating a plant comprising:
- (a) placing a plant into a hole;
- (b) placing into said hole, at least one polyvinyl alcohol pouch, wherein said pouch forms an enclosed space and wherein the polyvinal alcohol is 50 μm gauge hot water (HW) soluble film;
- and
- (c) watering said plant, wherein the hot water-soluble pouch dissolves in water only at 41 to 80 degrees Celsius.
Dependencies are inferred from the claim text.