NPK-Si Composite Fertilizer Merging Silicon with Nutrients
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Solution Overview
Problem
Conventional NPK fertilizers and silicon fertilizers have limitations, including environmental impact, inefficiency in nutrient delivery, and the need for high volumes of silicon fertilizers, which are often contaminated with heavy metals and require separate application, posing logistical and economic challenges.
Innovation Solution
A combined NPK-Si fertilizer product incorporating particulate amorphous silicon dioxide, which increases plant availability and solubility of silicon, allowing for a single, cost-effective product that reduces phosphorus use and heavy metal contamination, while enhancing crop yield and soil health.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional NPK fertilizers are used extensively to enhance plant growth, then plant productivity is improved, but environmental harm increases including eutrophiation, soil biota reduction, and heavy metal accumulation
Solution Approach 1:
The patent combines NPK fertilizer with silicon dioxide (silica) into a single composite product. This merging allows simultaneous delivery of traditional nutrients (N, P, K) and silicon, which enhances plant growth while reducing the need for separate fertilizer applications and mitigating environmental harm through reduced overall fertilizer volume requirements
Solution Approach 2:
The invention creates a composite fertilizer material consisting of NPK components and silicon dioxide. This composite structure enables multiple functions in one product: providing essential macronutrients while also supplying silicon for enhanced plant health, thereby improving productivity with reduced environmental footprint
2Quantity of substance
If high volumes of silicon fertilizers are used to provide sufficient silicon to plants, then silicon availability is improved, but heavy metal contamination and application complexity increase
Solution Approach 1:
By combining silicon dioxide with NPK fertilizer in a single product, the patent eliminates the need for separate high-volume silicon fertilizer applications. The integrated formulation provides sufficient silicon at lower volumes while avoiding heavy metal contamination associated with traditional silicon fertilizers such as slags
Solution Approach 2:
The invention extracts and removes harmful heavy metals from the silicon source by using purified silicon dioxide instead of contaminated materials like steel slags. This extraction of harmful components maintains silicon availability while eliminating contamination risks
3Quantity of substance
If separate applications of NPK fertilizer and silicon fertilizer are used, then nutrient delivery is comprehensive, but application complexity and cost increase
Solution Approach 1:
The patent merges NPK fertilizer and silicon fertilizer into a single composite product that can be applied in one operation. This eliminates the need for separate application processes, reducing labor, equipment, and time requirements while maintaining comprehensive nutrient delivery
Solution Approach 2:
The composite fertilizer serves multiple functions simultaneously: providing nitrogen, phosphorus, potassium, and silicon nutrients in a single product. This multi-functionality simplifies the fertilization process by replacing multiple specialized products with one universal fertilizer solution
4Productivity
If traditional NPK fertilizer formulations are used to maintain crop yield, then productivity is preserved, but phosphorus overuse and environmental degradation worsen
Solution Approach 1:
The invention creates a composite fertilizer that includes silicon dioxide alongside NPK components. This composite formulation enhances phosphorus uptake efficiency by plants through silicon's role in improving root health and cell wall strength, thereby maintaining crop yield while reducing the total phosphorus quantity required and minimizing environmental degradation
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The combined NPK-Si fertilizer increases phosphorus and potassium uptake, reduces the need for traditional NPK fertilizer by 30-50%, improves soil health, and decreases environmental impact by minimizing soil degradation and heavy metal use, while providing drought resistance and improved biomass growth.
Implementation Method 1
particulate amorphous silicon dioxide, which increases plant availability and solubility of silicon
Data Source
AI summary
The present application relates to a combined NPK-Si fertilizer product comprising a mineral NPK fertilizer, which comprises at least one nutrient compound of nitrogen, phosphorous or potassium, and a particulate amorphous silicon dioxide, wherein the ratio of the mineral NPK fertilizer to the amorphous silicon dioxide is from 10:90 to 90:10, based on the dry weight of the at least one nutrient compound of nitrogen, phosphorous or potassium, and the amorphous silicon dioxide contained in the product. The application also relates to the method of production of the inventive NPK-Si fertilizer.