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Cultural systems for growing potatoes in space.

T Tibbitts1, R Bula, R Corey

  • 1University of Wisconsin, Madison, USA.

Acta Horticulturae
|January 1, 1988
PubMed
Summary

Potatoes are ideal for space life support due to high yield and nutritional value. Developing specialized growing systems is key to overcoming their unique underground tuber growth for bioregenerative applications.

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Area of Science:

  • Space agriculture
  • Bioregenerative life support systems
  • Plant physiology

Background:

  • Higher plants are crucial for sustainable life support in space, providing food, oxygen, and water while removing carbon dioxide.
  • Recycling plant and human waste is essential for a closed-loop bioregenerative system.

Purpose of the Study:

  • Evaluate potatoes as a primary crop for space life support systems.
  • Identify challenges and requirements for growing potatoes in controlled space environments.

Main Methods:

  • Assessed potato productivity, nutritional content, propagation methods, and processing ease.
  • Analyzed potato growth patterns, specifically underground tuber development (stolons/rhizomes).
  • Defined essential design criteria for space-based plant growth systems.
Keywords:
NASA Discipline Life Support SystemsNASA Discipline Number 61-10NASA Program CELSSNon-NASA Center

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Main Results:

  • Potatoes offer high yields (>100 metric tons/hectare), significant edible biomass (80%), and rich nutritional value (starch, protein).
  • Potato growth requires a dark, moist environment for tuber development and ample space for plant spread.
  • Successful cultivation necessitates reusable, inert materials, minimal media, recirculating nutrient solutions, and automation.

Conclusions:

  • Potatoes are a promising candidate for space agriculture due to their productivity and nutritional benefits.
  • Specialized controlled environment systems are required to accommodate potato's unique growth habit for space applications.