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  • 1
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    Artificial Soil With Build-In Plant Nutrients (1995)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Nutrients contained in sandlike material. Artificial soil provides nutrients to plants during several growing seasons without need to add fertilizer or nutrient solution. When watered, artificial soil slowly releases all materials a plant needs to grow. Developed as medium for growing crops in space. Also used to grow plants on Earth under controlled conditions or even to augment natural soil.
    Keywords: LIFE SCIENCES
    Type: MSC-21954 , NASA Tech Briefs (ISSN 0145-319X); 19; 1; P. 98
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Slow-Release Fertilizers For Plants (1995)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: Synthetic mineral provides growing plants with nutrients, including micronutrients. Dissolves slowly in moist soil or in hydroponic solution, releasing constituents. Mineral synthetic apatite into which nutrients calcium, phosphorous, iron, manganese, copper, zinc, molybdenum, chlorine, boron, and sulfur incorporated in form of various salts. Each pellet has homogeneous inorganic composition. Composition readily adjusted to meet precise needs of plant.
    Keywords: LIFE SCIENCES
    Type: MSC-21953 , NASA Tech Briefs (ISSN 0145-319X); 19; 3; P. 105
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 3
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    Field trip guidebook on environmental impact of clays along the upper Texas coast (1991)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The field trip was prepared to provide an opportunity to see first hand some the environmental hazards associated with clays in the Houston, Texas area. Because of the very high clay content in area soils and underlying Beaumont Formation clay, Houston is a fitting location to host the Clay Mineral Society. Examinations were made of (1) expansive soils, (2) subsidence and surface faulting, and (3) a landfill located southeast of Houston at the Gulf Coast Waste Disposal Authority where clay is part of the liner material.
    Keywords: ENVIRONMENT POLLUTION
    Type: NASA-TM-105097 , NAS 1.15:105097 , Clay Minerals Society 28th Annual Meeting; Oct 05, 1991 - Oct 10, 1991; Houston, TX; United States
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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