Oxygenating Water-Soluble Fertilizer for Root-Zone Aeration
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Solution Overview
Problem
Soil deterioration due to hardening, stickiness, and poor air permeability impedes crop root respiration and growth, leading to reduced crop yields and increased soil-borne diseases, and existing soil improvement methods are costly, environmentally harmful, or inefficient.
Innovation Solution
An oxygenating and rooting water-soluble fertilizer compounded with biostimulant, comprising specific ratios of urea, monoammonium phosphate, potassium nitrate, oxygenating agent, stabilizers, biostimulant, trace elements, and anti-hardening agents, which increases dissolved oxygen in the crop rhizosphere and promotes aerobic respiration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If deep plowing is performed to improve soil permeability, then short-term permeability improves, but long-term arable land quality deteriorates
Solution Approach 1:
The patent introduces an oxygenating agent as an intermediary substance that releases oxygen in the soil to create air cavities and improve aeration without mechanical disturbance. This mediator resolves the contradiction by improving soil permeability and aeration while preserving the soil structure and long-term arable land quality, avoiding the harmful effects of deep plowing.
Solution Approach 2:
The patent replaces the mechanical system of deep plowing with a chemical-biological system using oxygenating agents. Instead of mechanically breaking up soil to improve permeability, the invention uses chemical oxygen release to create air cavities and improve aeration, thereby resolving the contradiction between short-term permeability improvement and long-term soil quality preservation.
2Reliability
If organic fertilizers are applied to improve soil structure and permeability, then soil quality improves, but input costs increase significantly
Solution Approach 1:
The patent uses oxygenating agents as inexpensive, short-acting substances that release oxygen and improve soil aeration temporarily but effectively. These agents provide the necessary soil improvement without the high costs associated with organic fertilizers, resolving the contradiction between soil quality improvement and input costs.
Solution Approach 2:
The patent changes the chemical parameters of the soil environment by introducing oxygenating agents that release oxygen and alter the oxidation-reduction potential. This parameter change improves soil aeration and structure without requiring large quantities of expensive organic fertilizers, thereby resolving the cost-quality contradiction.
3Quantity of substance
If crop straw is returned to farmland to supplement nutrients and improve permeability, then nutrient content increases, but soil carbon emissions and disease incidence increase
Solution Approach 1:
The patent extracts and isolates the beneficial function of oxygenation from the problematic process of crop straw decomposition. By using oxygenating agents directly, the invention obtains the aeration benefits without incorporating the harmful elements (carbon emissions, disease vectors) associated with straw return, thereby resolving the contradiction between nutrient supplementation and harmful emissions.
Solution Approach 2:
The patent converts the harmful effect of anaerobic conditions into a benefit by introducing oxygenating agents that actively provide oxygen to the soil. This transforms the anaerobic environment (which causes disease and carbon emissions) into an aerobic environment, resolving the contradiction between improving soil conditions and reducing harmful emissions.
4Ease of operation
If chemical improvement agents are used to repair poor soil permeability, then permeability improves, but agricultural costs and pollution increase
Solution Approach 1:
The patent uses oxygenating agents as strong oxidants that release oxygen to improve soil aeration and permeability. This oxidation-based approach repairs poor soil permeability without introducing the harmful chemical pollutants associated with conventional chemical improvement agents, resolving the contradiction between permeability improvement and pollution reduction.
Solution Approach 2:
The patent copies the beneficial effect of natural aeration processes without using harmful chemical agents. By simulating the oxygenation function found in healthy soils through oxygenating agents, the invention achieves permeability improvement without the pollution side effects of chemical improvement agents.
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 fertilizer enhances crop root system growth, improves yield, and minimizes soil-borne diseases while being environmentally friendly and cost-effective, with a simple preparation method suitable for industrial production.
Implementation Method 1
the oxygenating agent powder is urea peroxide with a mass percentage of oxygen content of 14%-16%
Implementation Method 2
improve the dissolved oxygen content of crop rhizosphere, breaking the anaerobic environment of the crop rhizosphere
Data Source
AI summary
The present disclosure relates to an oxygenating and rooting water-soluble fertilizer compounded with biostimulant, prepared by the following raw materials in parts by weight: 10-30 parts of urea powder, 20-35 parts of industrial grade monoammonium phosphate powder, 30-40 parts of potassium nitrate powder, 1-5 parts of oxygenating agent powder, 1-10 parts of type I stabilizer powder, 1-5 parts of type II stabilizer powder, 2.5-10 parts of biostimulant powder, 1.5-4 parts of medium trace element powder, and 0.5-1 part of anti-hardening auxiliary agent powder. The synergistic effect between oxygenating function of the water-soluble fertilizer and compounded biostimulant on crop root systems effectively increases dissolved oxygen content of crop rhizosphere and promotes the aerobic respiration of the crop root systems.