Development of the microgravity plant growth pocket

M. G. Lefsrud, Gene A Giacomelli, H. W. Janes, M. H. Kliss

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The Microgravity Pocket (MGP) was designed for continuous production of root crops in microgravity within a controlled environment. The MGP is intended to provide NASA with a "Salad Machine" to grow carrot and radish for consumption by astronauts. Attributes of the pocket system, include light weight; ease of planting, monitoring, and harvesting; no free water; and low energy requirements. The MGP system uses porous sheets of plastic to wick water to the plant roots, which are enclosed within a watertight pouch. An experiment was conducted growing carrot and radish root crops in a horizontal orientation adjacent to a water-cooled high-pressure sodium lamp. The hydrophilic property of the porous sheet provided nutrient solution to the root zone of the plants, but the small size of the pores prevented root growth into the sheet. The MGP was successful in growing both carrot and radish to harvestable size.

Original languageEnglish (US)
Pages (from-to)1647-1651
Number of pages5
JournalTransactions of the American Society of Agricultural Engineers
Volume46
Issue number6
StatePublished - Nov 2003

Fingerprint

microgravity
Weightlessness
Plant Development
Microgravity
Raphanus
Daucus carota
plant growth
radishes
carrots
Growth
Plant Roots
Crops
Water
water
rhizosphere
United States National Aeronautics and Space Administration
Capillary Action
Astronauts
Controlled Environment
plastic

Keywords

  • Advanced life support
  • Nutrient delivery system
  • Root crop production
  • Salad machine

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)

Cite this

Development of the microgravity plant growth pocket. / Lefsrud, M. G.; Giacomelli, Gene A; Janes, H. W.; Kliss, M. H.

In: Transactions of the American Society of Agricultural Engineers, Vol. 46, No. 6, 11.2003, p. 1647-1651.

Research output: Contribution to journalArticle

Lefsrud, M. G. ; Giacomelli, Gene A ; Janes, H. W. ; Kliss, M. H. / Development of the microgravity plant growth pocket. In: Transactions of the American Society of Agricultural Engineers. 2003 ; Vol. 46, No. 6. pp. 1647-1651.
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