Controlled Environment System for Rapid Seed Potato Propagation

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Solution Overview

Problem

Current methods for producing seed potato stocks are limited by low production rates, high labor intensity, and susceptibility to insect infestations, with greenhouse and screenhouse schemes typically allowing only one or two tuber harvests per year and being inefficient in controlling environmental and nutritional conditions.

Innovation Solution

A controlled environment system that automatically monitors and controls lighting, temperature, humidity, and nutrient delivery within a chamber to optimize growth conditions for potato plants, enabling rapid production of up to six tuber harvests per year by synchronizing environmental and nutritional parameters with the plant's development stages.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If greenhouse or screenhouse schemes are used for potato propagation, then disease-free seed stocks can be produced, but production rate is limited to one or two harvests per year

Engineering Contradiction:
Improvedisease-free seed stock qualityVSAvoidharvest frequency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent applies parameter changes by precisely controlling environmental parameters (temperature, humidity, light intensity, photoperiod) and nutritional parameters (nutrient solution composition, pH, electrical conductivity) to create optimal growth conditions that accelerate tuber development. This enables the system to achieve multiple harvests per year while maintaining disease-free quality, resolving the contradiction between production rate and seed stock quality.

Inventive Principle:
Principle #35Parameter changes

2Device complexity

If manual control methods are used for environmental conditions, then system complexity is reduced, but labor intensity increases and response time decreases

Engineering Contradiction:
Improvecontrol system simplicityVSAvoidlabor intensity
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The system implements self-service through automatic control mechanisms where sensors continuously monitor environmental parameters (temperature, humidity, light) and nutrient solution conditions, and the controller automatically adjusts growth chamber conditions and nutrient delivery without manual intervention. This eliminates labor-intensive manual operations while maintaining simple system architecture, resolving the contradiction between device complexity and ease of operation.

Inventive Principle:
Principle #25Self-service

3Productivity

If greenhouse and screenhouse environments are used, then potato plants can grow, but susceptibility to insect infestations increases

Engineering Contradiction:
Improvetuber production capabilityVSAvoidinsect infestation risk
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent creates a controlled, isolated growth environment within sealed growth chambers that protects potato plants from external insect infestations. The system maintains this protective barrier while providing optimized environmental conditions (temperature, humidity, light, nutrients) that enable rapid tuber production, thus resolving the contradiction between productivity and protection from harmful factors.

Inventive Principle:
Principle #39Inert atmosphere (Inert environment)

4Productivity

If rapid growth cycles are implemented to increase harvest frequency, then productivity increases, but growth quality may be compromised

Engineering Contradiction:
Improveharvest frequencyVSAvoidtuber growth quality
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The system applies dynamics by continuously monitoring and dynamically adjusting environmental and nutritional parameters based on real-time plant growth stages. The controller modifies temperature, humidity, light intensity, and nutrient composition to match specific developmental phases, enabling rapid growth cycles while maintaining tuber quality standards, thus resolving the contradiction between productivity and manufacturing precision.

Inventive Principle:
Principle #15Dynamics

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 system allows for rapid growth and development of potato tubers in less than 60 days, enabling multiple harvests annually and reducing the risk of insect infestations, thereby increasing the availability of high-quality seed stocks.

Implementation Method 1

a lighting structure for providing light and dark periods to the potato plants

Methodology Applied
Scientific EffectPhotosynthesis: Photosynthesis

Implementation Method 2

an air temperature structure for creating a variable temperature uniformly throughout the chamber

Methodology Applied
Scientific EffectTemperature control: Heating

Implementation Method 3

an atmospheric humidity structure for maintaining a relative humidity throughout the chamber

Methodology Applied
Scientific EffectHumidity control: Evaporation

Data Source

PatentUS7565768B2Controlled environment system and method for rapid propagation of seed potato stocks
Publication Date: 2009.07.28 CETAB
  • US7565768B2 patent drawing
  • US7565768B2 patent drawing
  • US7565768B2 patent drawing

AI summary

A computer controlled environment system and method are used to provide the optimum environmental and nutritional conditions for the growth and development of seed potato cuttings for the initiation and development of tubers that can be used as the seed source for further multiplication under field conditions as seed potato stock. Use of a controlled environment system and method that provides optimum cultural conditions results in rapid growth and development of the potato cutting so as up to six crops of tubers can be harvested in a calendar year.