AbstractThe Porous Tube Plant Nutrient Delivery System or PTPNDS (U. S. Patent #4,926,585) has been under development for the past six years with the goal of providing a means for culturing plants in microgravity, specifically providing water and nutrients to the roots. Direct applications of the PTPNDS include plant space biology investigations on the Space Shuttle and plant research for life support in Space Station Freedom. In the past, we investigated various configurations, the suitability of different porous materials, and the effects of pressure and pore size on plant growth. Current work is focused on characterizing the physical operation of the system, examining the effects of solution aeration, and developing prototype configurations for the Plant Growth Unit (PGU), the flight system for the Shuttle mid-deck. Future developments will involve testing on KC-135 parabolic flights, the design of flight hardware and testing aboard the Space Shuttle.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Porous tube plant nutrient delivery system development: A device for nutrient delivery in microgravity


    Contributors:
    Dreschel, T.W. (author) / Brown, C.S. (author) / Piastuch, W.C. (author) / Hinkle, C.R. (author) / Knott, W.M. (author)

    Published in:

    Publication date :

    1994-01-01


    Size :

    5 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Porous tube plant nutrient delivery system development: A device for nutrient delivery in microgravity

    Dreschel, T. W. / Brown, C. S. / Piastuch, W. C. et al. | NTRS | 1994



    Porous Tube Plant Nutrient Delivery System Development: A Device for Nutrient Delivery in Microgravity

    Dreschel, T. W. / Brown, C. S. / Piastuch, W. C. et al. | British Library Conference Proceedings | 1994



    A Matrix-Based Porous Tube Water and Nutrient Delivery System

    Morrow, R. C. / Bula, R. J. / Tibbitts, T. W. et al. | SAE Technical Papers | 1992