Subsurface Feeding Spike With Directed Flow for Root-Safe Transplanting

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Solution Overview

Problem

Traditional methods and equipment for tree and shrub transplantation often damage the root system by indiscriminately delivering water and fertilizer, leading to delayed establishment and transplant failure, as they fail to prepare the planting site effectively for root acclimation and resource absorption.

Innovation Solution

A plant feeding spike device with a hollow pipe and angled holes for sub-surface irrigation and fertilization, designed to penetrate soil and deliver water or fertilizer mixture away from the root ball towards the planting hole walls, using a threaded adapter to connect with a spray gun for precise delivery.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If traditional tree-feeding apparatuses deliver water and fertilizer in all directions, then the plant receives adequate hydration and nutrients, but the root system is damaged by dislodging soil and creating pressure on the root ball

Engineering Contradiction:

Improvewater and fertilizer deliveryVSAvoidroot system damage

Core Design Contradiction:

Quantity of substanceVSObject-affected harmful factors

Solution Approach 1:

The hollow pipe has holes positioned at specific locations (near the pointed end) that direct fluid flow in a specific direction (away from the root ball and toward the planting hole walls), creating localized quality in resource distribution rather than uniform delivery in all directions

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The delivery function is segmented into directional outlets (holes in the pipe) that separate the fluid flow path from the root ball, allowing resource delivery and root protection to occur simultaneously in different spatial zones

Inventive Principle:

Principle #1Segmentation

2Stability of the object's composition

If the planting hole walls are left compacted, then the hole structure remains stable, but root penetration into the surrounding soil is hindered

Engineering Contradiction:

Improveplanting hole structure stabilityVSAvoidroot penetration barrier

Core Design Contradiction:

Stability of the object's compositionVSObject-affected harmful factors

Solution Approach 1:

The device performs preliminary action by directing fluid to break down compacted walls before root penetration occurs, preparing the soil structure in advance to facilitate future root growth while maintaining overall hole stability

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The device converts the harmful compacted walls into a benefit by using directed fluid flow to selectively break down the compacted soil, transforming the barrier into pathways that encourage root penetration and establishment

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

3Quantity of substance

If water and fertilizer are delivered to saturate the root ball, then the plant receives nutrients, but the delicate root system is further damaged

Engineering Contradiction:

Improvenutrient deliveryVSAvoidroot system damage

Core Design Contradiction:

Quantity of substanceVSObject-affected harmful factors

Solution Approach 1:

The device extracts the harmful effect of saturation by removing the direct contact between large volumes of water/fertilizer and the root ball, delivering nutrients through directed flow that bypasses the sensitive root system while still providing adequate nourishment to surrounding soil

Inventive Principle:

Principle #2Taking out (Extraction)

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

Minimizes root damage by directing resources to the planting hole walls, promoting root expansion and nutrient uptake, reducing transplant failure and enhancing plant health and stability.

Implementation Method 1

The hollow pipe has a plurality of hole positioned on along the circumference of the hollow pipe and the holes configured to deliver water or a water-based fertilizer mixture

Methodology Applied

Scientific EffectFluid flow through porous structure: Porosity

Data Source

PatentUS20250338803A1Plant feeding spike device for sub-surface irrigation and fertilization

Publication Date: 2025.11.06 DODGE GEOFFREY

AI summary

The present disclosure relates to a plant feeding spike device (100) for sub-surface irrigation and fertilization. The device (100) comprising a hollow pipe (102). The hollow pipe (102) has a pointed end (104) configured to penetrate soil. The hollow pipe (102) has a threaded end (106) opposite to the pointed end (102). The device (100) also comprising a plurality of hole (108) positioned on along the circumference of the hollow pipe (102) and the holes (108) configured to deliver water or a water-based fertilizer mixture. The holes (108) are placed near the pointed end (104). The holes (108) are arranged to direct fluid flow away from the root ball and toward the walls of an excavated planting hole. The device (100) also comprising a threaded adapter (110) connected to the threaded end (106) of the hollow pipe (102) and the threaded adapter (110) configured to connect to a spray gun.