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Farming in Space

Developing a Sustainable Food Supply on Mars


Author(s)

Helen S. Joyner

Perfect Day
helen.joyner@perfectdayfoods.com
Michael L. Allen
Department of Physics and Astronomy
Washington State University
mlfa@wsu.edu

Abstract

If you were limited to choosing only three crops to sustainably farm in an arid, inhospitable environment, what would they be and how would you decide? This interrupted case study places students in the role of a proposed self-sufficient Martian colony that requires an optimized profile of food crops. After students form small groups, they discuss the factors that affect sustainability of a food supply, determine criteria for selection of crops to grow, and rank crops using these criteria. Lists of criteria and of foodstuffs are provided, but the case can easily be transformed into a problem-based learning (PBL) case by having students research and generate their own lists. The case includes questions that walk students through the selection process and require them to explain why they chose their criteria and how those criteria apply to their chosen foods. The case is designed for undergraduate students at the introductory level in courses in astronomy/astrobiology, food science/nutrition, agricultural engineering, or any discipline where sustainability is a key theme.


Objectives

  • Identify sustainability considerations when developing a food supply capable of supporting a healthy population.
  • Prioritize criteria for selection of foodstuffs given limited growing area and resources.
  • Rank candidate species for food sources using selected criteria given information on available resources, crop yield, and nutritional needs.
  • Compare and contrast given choices for food sources and defend the chosen solution.
  • Apply critical and creative thinking when developing a solution.

Keywords

Sustainability; sustainable agriculture; space farming; astrobiology; self-sufficiency; colonization; space colony; Mars

Topical Areas

N/A

Educational Level

Undergraduate lower division, Undergraduate upper division

Format

PDF

Type / Methods

Analysis (Issues), Dilemma/Decision, Discussion, Interrupted, Problem-Based Learning

Language

English

Subject Headings

Agriculture  |   Astronomy  |   Engineering (General)  |   Environmental Engineering  |   Food Science / Technology  |   Interdisciplinary Sciences  |   Science (General)  |   Statistics  |  


Date Posted

10/2/2015

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