Comparison Studies of Candidate Nutrient Delivery Systems for Plant Cultivation in Space

Paper #:
  • 972304

Published:
  • 1997-07-01
Citation:
Goins, G., Levine, H., Mackowiak, C., Wheeler, R. et al., "Comparison Studies of Candidate Nutrient Delivery Systems for Plant Cultivation in Space," SAE Technical Paper 972304, 1997, https://doi.org/10.4271/972304.
Pages:
9
Abstract:
A reliable nutrient delivery system is essential for long-term cultivation of plants in space. At the Kennedy Space Center, a series of ground-based tests are being conducted to compare candidate plant nutrient delivery systems for space. To date, our major focus has concentrated on the Porous Tube Plant Nutrient Delivery System, the ASTROCULTURE™ System, and a zeoponic plant growth substrate. The merits of each system are based upon the performance of wheat supported over complete growth cycles. To varying degrees, each system supported wheat biomass production and showed distinct patterns for plant nutrient uptake and water use.
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