Fertilizer suspension and method of preparation
View Patent ↗A concentrated, homogenous, stable, water-soluble fertilizer suspension comprising: water-soluble mineral nutrients of at least nitrogen, phosphorous, potassium, calcium, and magnesium; and an organic stabilizing additive; and wherein the pourable, aqueous suspension has water-soluble mineral nutrients amounting to at least about 80 percent by weight (wt. %) of the suspension.
1. A concentrated, homogenous, stable, water-soluble fertilizer suspension in a sealed container comprising:
water-soluble mineral nutrients of nitrogen, phosphorous, potassium, calcium, and magnesium; and,
a chelated micronutrient selected from the group consisting of iron, manganese, zinc, and copper; and
an organic stabilizing additive;
wherein the concentrated, homogenous, stable, water-soluble fertilizer suspension is a pourable, aqueous suspension having an amount of water-soluble mineral nutrients comprising at least about 80 percent by weight (wt. %) of the suspension.
2. The suspension of claim 1 wherein the nitrogen is in the form of a nitrate ion, the phosphorous is in the form of a phosphorous ion, the potassium is in the form of a potassium ion, the calcium is in the form of a calcium ion, and the magnesium is in the form of a magnesium ion.
3. The suspension of claim 1 wherein the sealed container is hermetically sealed.
4. The suspension of claim 1 wherein the magnesium comprises ionic magnesium and an amount of the ionic magnesium comprises at least 0.1 wt. % of the suspension.
5. The suspension of claim 1 further comprising iron, manganese, zinc, copper, boron, molybdenate, and cobalt.
6. The suspension of claim 1 further comprising a water-soluble nutrient of sulphur.
7. The suspension of claim 1 further comprising ammonium ions.
8. The suspension of claim 1 further comprising urea.
9. The suspension of claim 1 wherein the organic stabilizing additive contains a material selected from the group consisting of: fulvic acid, digested plant material; digested lignin; soluble seaweed; cane sugar; malt; beet vinasse; molasses; water-soluble hydrocolloid polysaccharides; compost tea extracts; vermicompost; cellulose; and chitosan.
10. The suspension of claim 1 wherein the organic stabilizing additive comprises between 0.1 wt. % and about 20 wt. % of the suspension.
11. The suspension of claim 1 wherein the water-soluble mineral nutrients comprise between about 80 wt. % and about 95 wt. % of the suspension.
12. The suspension of claim 1 wherein the water-soluble mineral nutrients comprise at least about 90 wt. % of the suspension.
13. The suspension of claim 1 wherein: the amount of nitrogen comprises between 1 wt. % and 25 wt. % of the suspension; the amount of phosphorus comprises between 1 wt. % and 25 wt. % of the suspension; the amount of potassium comprises between 1 wt. % and 25 wt. % of the suspension; the amount of calcium comprises between 0.1 wt. % and 10 wt. % of the suspension; and the magnesium comprises ionic magnesium and an amount of the ionic magnesium comprises at least 0.1 wt. % of the suspension.
14. The suspension of claim 1 wherein: the amount of nitrogen comprises between 1 wt. % and 20 wt. % of the suspension; the amount of phosphorus comprises between 1 wt. % and 20 wt. % of the suspension; the amount of potassium comprises between 1 wt. % and 20 wt. % of the suspension; the amount of calcium comprises between 0.1 wt. % and 7.5 wt. % of the suspension; and the magnesium comprises ionic magnesium and an amount of the ionic magnesium comprises at least 0.1 wt. % of the suspension.
15. The suspension of claim 1 wherein the suspension inhibits crystal growth.
16. The suspension of claim 1 further comprising one or more surfactants.
17. The suspension of claim 1 further comprising one or more humectants.
18. The suspension of claim 1 further comprising one or more water-soluble polymers.
19. A method for forming a working plant nutrient solution comprising the step of diluting the aqueous fertilizer suspension of claim 1 in water wherein the pH of the working plant nutrient is in the range between about 5.0 and about 7.0 pH.
20. A concentrated, homogenous, stable, water-soluble fertilizer suspension in a sealed container comprising:
an amount of water comprising less than about 20 percent by weight (wt. %) of the suspension;
an amount of calcium nitrate comprising between about 1 wt. % and 40 wt. % of the suspension;
an amount of magnesium nitrate comprising between about 1 wt. % and 30 wt. % of the suspension;
an amount of potassium phosphate and/or ammonia phosphate comprising between about 1 wt. % and 35 wt. % of the suspension;
an amount of potassium nitrate comprising between about 1 wt. % and 45 wt. % of the suspension; and
a chelated micronutrient selected from the group consisting of iron, manganese, zinc, and copper; and
an amount of organic stabilizing additive comprising between about 0.1 wt. % and 20 wt. % of the suspension;
wherein the concentrated, homogenous, stable, water-soluble fertilizer suspension is a pourable, aqueous suspension.
21. The suspension of claim 20 wherein
the amount of calcium nitrate comprises between about 1 wt. % and 30 wt. % of the suspension;
the amount of magnesium nitrate comprises between about 1 wt. % and 25 wt. % of the suspension;
the amount of potassium phosphate and/or ammonia phosphate comprises between about 1 wt. % and 30 wt. % of the suspension;
the amount of potassium nitrate comprises between about 1 wt. % and 30 wt. % of the suspension; and
the amount of organic stabilizing additive comprises between about 0.1 wt. % and 10 wt. % of the suspension.
22. The suspension of claim 20 wherein the organic stabilizing additive contains a material selected from the group consisting of: fulvic acid; digested plant material; digested lignin; soluble seaweed; cane sugar; malt; beet vinasse; molasses; water-soluble hydrocolloid polysaccharides; compost tea extracts; vermicompost; cellulose; and chitosan.
23. A concentrated, homogenous, stable, water-soluble fertilizer suspension in a sealed container comprising:
(a) water-soluble mineral nutrients of nitrogen, phosphorous, potassium, calcium, magnesium and sulphur;
(b) a chelated micronutrient selected from the group consisting of iron, manganese, zinc, and copper; and,
(c) an organic stabilizing additive;
wherein the concentrated, homogenous, stable, water-soluble fertilizer suspension is apourable, aqueous suspension having an amount of water-soluble mineral nutrients comprising at least about 80 percent by weight (wt. %) of the suspension.