ISHS Acta Horticulturae 469: International Symposium on Composting & Use of Composted Material in Horticulture
COMPOSTING IN ADVANCED LIFE SUPPORT SYSTEMS |
| Authors: | Cheryl F. Atkinson, John C. Sager, M. Alazraki, C. Loader |
| Keywords: | inedible crop residues, leachate, mineral recycling, Triticum aestivum L. cv. Apogee |
| Abstract:
Space missions of extended duration are currently hampered by the prohibitive costs of external resupply. To reduce the need for resupply, the National Aeronautics and Space Administration (NASA) is currently testing methods to recycle solid wastes, water, and air. Composting can be an integral part of a biologically based waste treatment/recycling system. Results indicate that leachate from composted plant wastes is not inhibitory to seed germination and contains sufficient inorganic minerals to support plant growth. Other solid wastes, for example kitchen (food) wastes and human solid wastes, can be composted with inedible plant residues to safely reduce the volume of the wastes and levels of microorganisms potentially pathogenic to humans. Finished compost could serve as a medium for plant growth or mushroom production. | |
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