Feather Meal and Soy Meal Composition for Controlled Nitrogen Release
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Solution Overview
Problem
Existing plant growth mediums face challenges in providing improved plant safety, increased plant growth, and optimal nutrient delivery, particularly due to issues with ammonium toxicity and inefficient nutrient release profiles from conventional nutrient sources.
Innovation Solution
A nutrient source comprising a combination of feather meal and soybean meal, optionally with compost, formulated in specific ratios to achieve a synergistic release of nutrients, buffering soil pH, and reducing ammonium toxicity, thereby enhancing nutrient availability and plant growth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional nutrient sources are used in plant growth mediums, then nutrient delivery is provided, but ammonium toxicity occurs and plant safety is compromised
Solution Approach 1:
The patent changes the chemical parameters of the nutrient source by using feather meal (high in ammonium nitrogen) combined with specific ratios of organic matter and sulfur. This parameter change transforms the harmful ammonium release pattern into a controlled release that maintains plant safety while providing necessary nutrients.
Solution Approach 2:
The patent converts the potentially harmful ammonium from feather meal into a beneficial nutrient source by combining it with organic matter and sulfur in specific ratios. The ammonium is transformed through microbial activity into plant-available forms while avoiding toxicity, thus converting a harmful factor into a benefit.
2Duration of action of moving object
If conventional nutrient sources are used, then some nutrient release is achieved, but the nutrient release profile is inefficient and does not maintain availability over time
Solution Approach 1:
The patent achieves continuous nutrient release by combining feather meal with organic matter and sulfur, creating a system that releases nutrients gradually over time. The microbial decomposition of organic matter continues to convert ammonium into plant-available forms, maintaining continuous nutrient availability throughout the growing season.
Solution Approach 2:
The patent uses a composite nutrient source combining feather meal, organic matter, and sulfur in specific ratios. This composite material provides synergistic effects where each component contributes different nutrients and release characteristics, achieving efficient and sustained nutrient delivery.
3Quantity of substance
If feather meal is used as a nutrient source, then nitrogen is provided, but soil pH becomes unstable and ammonium toxicity increases
Solution Approach 1:
The patent changes the pH parameter by adding sulfur to the feather meal-organic matter combination. The sulfur oxidizes to form sulfuric acid, which counteracts the alkalizing effect of ammonium accumulation, thereby stabilizing soil pH while maintaining high nitrogen availability.
Solution Approach 2:
The patent introduces organic matter as an intermediary between feather meal and the soil environment. The organic matter buffers pH changes and provides a controlled matrix for ammonium conversion, mediating the interaction between feather meal nitrogen and soil chemistry to maintain stability.
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 combination of feather meal and soybean meal, with or without compost, provides a desirable nutrient release profile that maintains high nitrogen availability over an extended period, stabilizes soil pH, and reduces ammonium toxicity, resulting in improved plant growth and safety.
Implementation Method 1
The nutrient source releases about 40% or more of the total nitrogen available as a plant available nitrogen in a period of about 8 weeks or less
Implementation Method 2
buffering soil pH
Implementation Method 3
reduces ammonium toxicity
Data Source
AI summary
Nutrient sources for a plant growth medium are disclosed. The nutrient sources include feather meal, soy meal, and optionally compost. Plant growth mediums including such nutrient sources exhibit desirable nutrient release profiles and advantageous plant growth. Methods of making and using the nutrient sources and plant growing mediums containing such nutrient sources are further disclosed.