A micronutrient fertiliser and method for producing same
A micronutrient and element technology, applied in the direction of organic fertilizers, fertilizer mixtures, fertilization devices, etc., can solve problems such as expensive and ineffective
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Embodiment 1
[0075] 99 kg of leached tailings (typically consisting of 20% w / w water) were charged to a ball mill to reduce particle size to P75 15 microns. Gradually add 10 kg of water to the ball mill to keep the slurry hydrated. The slurry was then transferred to a container and stirred thoroughly. 1 kg of magnesium aluminum silicate as a dispersant was added to the slurry with thorough stirring. Then 110 g of insecticide (obtained from BASF Myacide AS) were added under constant stirring. The slurry (suspension concentrate) was then charged into 20 kg x 5 HDPE containers.
[0076] After 24 hours, the suspension concentrate was checked for percent separation in suspension expressed as % by volume of clear liquid on top of the suspension.
[0077] The suspension concentrates were then stored at room temperature for several days and re-evaluated. The results are shown in Table 1 below:
[0078] Table 1
[0079] time
[0080] The suspension concentrates were also analyzed fo...
Embodiment 2
[0082] 100 kg of leached tailings (typically consisting of 20% w / w water) were dried to a suitable limit of water content below about 10% w / w for extrusion and then mixed with 10 kg of sodium lignosulfonate (extruded Auxiliary) and 2.4 kg of Supragil MNS-425 (a surfactant) were mixed. The mixture is then extruded using a standard extruder. The extruded granules were dried so that the maximum water content was 2%.
[0083] Analyze the micronutrient content of granulated micronutrient fertilizers, including Mn, Fe, Ca, and S, using standard analytical procedures. The granulated micronutrient fertilizer was found to contain 8.0% Mn, 12.0% Fe, 15% Ca, 7.0% S and 1% K.
Embodiment 3
[0085] 100 kg of leach tailings (typically consisting of 20% w / w water) are dried to a suitable limit of water content below 2% for compaction and granulation. The obtained particulate material is screened to obtain the desired particle size of the granules, preferably 2 ± 0.3 mm. The granules were then coated with 1 gram of Biofix 220 per kg of granules. Biofix 220 was used as an anti-caking agent.
[0086] Analyze the micronutrient content of granulated micronutrient fertilizers, including Mn, Fe, Ca, and S, using standard analytical procedures. The granulated micronutrient fertilizer was found to contain 9.5% Mn, 13% Fe, 16.5% Ca, 7.5% S and 1% K.
[0087] It is contemplated that the micronutrient fertilizer of the present invention has particular application as an in-furrow micronutrient fertilizer. More particularly, the microfertilizers of the present invention are expected to increase plant growth, stimulate plant growth, plant vigor and / or affect crop yield compared...
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Abstract
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