Sieved Compost Hydrogel Seed Priming Composition

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current seed priming methods rely on mined materials, which are costly and environmentally impactful, and lack effective water retention for durations beyond 24 hours, necessitating a low-cost, environmentally friendly alternative for seed priming.

Innovation Solution

A seed priming composition comprising sieved compost and hydrogel in specific weight ratios, providing adequate water potential and retention for up to 21 days, is used to treat seeds, eliminating the need for mined materials and offering a renewable solution.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If mined materials (vermiculite, calcium silicate, peat moss) are used for solid matrix priming, then seed water intake is controlled effectively, but cost increases and environmental impact worsens due to mining and processing requirements

Engineering Contradiction:
Improvewater intake controlVSAvoidcost and environmental impact
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The invention changes the material parameters from mined inorganic materials to organic compost with specific physical properties. The compost is processed to achieve optimal particle size distribution (0.06-2.0 mm) and water retention characteristics, transforming it into an effective priming medium that matches or exceeds the performance of traditional materials while being environmentally benign and cost-effective

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The invention replaces expensive, mined, long-lasting materials (vermiculite, calcium silicate) with a cheaper, renewable organic material (compost) that can be produced locally without mining. The compost serves its priming function effectively and then decomposes naturally, eliminating the need for energy-intensive extraction and processing of virgin materials

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

2Ease of manufacture

If compost is used for seed priming, then cost decreases and environmental impact improves, but water retention capability is insufficient for durations beyond 24 hours

Engineering Contradiction:
Improvecost and environmental friendlinessVSAvoidwater retention duration
Core Design Contradiction:
Ease of manufactureVSDuration of action of stationary object

Solution Approach 1:

The invention creates a composite priming system by combining compost with a hydrogel material. The hydrogel component provides superior water retention capacity, allowing the mixture to maintain adequate moisture levels for extended periods (beyond 24 hours) while the compost provides the beneficial organic matrix and nutrients. This composite approach synergistically combines the advantages of both materials

Inventive Principle:
Principle #40Composite materials

3Duration of action of stationary object

If peat moss is used as a priming carrier, then water retention is improved, but environmental impact worsens due to harvesting from sensitive areas and long shipping distances

Engineering Contradiction:
Improvewater retentionVSAvoidenvironmental impact from harvesting and shipping
Core Design Contradiction:
Duration of action of stationary objectVSObject-affected harmful factors

Solution Approach 1:

The invention enables compost to serve multiple functions: it acts as the priming medium, provides water retention (especially when combined with hydrogel), supplies nutrients to seeds, and can be produced locally from organic waste materials. This self-sufficient approach eliminates the need to harvest from environmentally sensitive peat bogs and reduces or eliminates long-distance shipping requirements

Inventive Principle:
Principle #25Self-service

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 seed priming composition effectively initiates seed germination processes while maintaining water potential and retention, allowing for prolonged seed priming without the environmental drawbacks of mined materials, enhancing germination rates and storage capabilities.

Implementation Method 1

A seed priming composition comprising sieved compost, hydrogel and water in a ratio of sieved compost:hydrogel:water of from about 4:1:4.75 to about 9:1:11 by weight

Methodology Applied
Scientific EffectHydrogel: Hydrogel

Data Source

PatentUS9374941B2Sieved compost and hydrogel-based method and composition for seed priming
Publication Date: 2016.06.28 TEMPLE UNIV
  • US9374941B2 patent drawing

AI summary

Provided is a method for seed priming comprising the steps of treating seed with a seed priming composition comprising sieved compost, hydrogel and water in a ratio of sieved compost:hydrogel:water of from about 5:1:4.75 to about 9:1:11 by weight in an amount sufficient to result in priming of the seed. In some embodiments, the seed is treated with from about 2 to about 39 grams of the seed priming composition per gram of seed. In preferred embodiments, the seed composition and the seed priming composition are free of soil or sand. In further preferred embodiments, the seed is blended with the seed priming composition at a temperature of about 5° C. to about 25° C.