NDLI: Characterization of the water soluble component of inedible residue from candidate celss crops

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Characterization of the water soluble component of inedible residue from candidate celss crops

Content Provider	NASA Technical Reports Server (NTRS)
Author	Garland, Jay
Copyright Year	1992
Description	Recycling of inorganic nutrients required for plant growth will be a necessary component of a fully closed, bioregenerative life support system. This research characterized the recovery of plant nutrients from the inedible fraction of three crop types (wheat, potato, and soybean) by soaking, or leaching, in water. A considerable portion of the dry weight of the inedible biomass was readily soluble (29 percent for soybean, 43 percent for wheat, and 52 percent for potato). Greater weight loss from potato was a result of higher tissue concentrations of potassium, nitrate, and phosphate. Approximately 25 percent of the organic content of the biomass was water soluble, while the majority of most inorganic nutrients, except for calcium and iron, were recovered in the leachate. Direct use of the leachates in hydroponic media could provide between 40-90 percent of plant nutrient demands for wheat, and 20-50 percent of demand for soybean and potato. Further evaluation of leaching as a component of resource recovery scheme in a bioregenerative system requires study of (1) utilization of plant leachates in hydroponic plant culture; and (2) conversion of organic material (both soluble and insoluble) into edible, or other useful, products.
File Size	881121
Page Count	30
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19930008922
Archival Resource Key	ark:/13960/t1tf4qd2j
Language	English
Publisher Date	1992-12-01
Access Restriction	Open
Subject Keyword	Man/system Technology And Life Support Organic Materials Inorganic Materials Closed Ecological Systems Hydroponics Solubility Nutrients Farm Crops Recycling Biomass Leaching Vegetation Growth Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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