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  • 1
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    Unknown
    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
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    NASA TECHNICAL REPORTS
  • 2
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    Unknown
    Active synthetic soil (1995)
    In:  CASI
    Details
    Publication Date: 2019-08-27
    Description: A synthetic soil/fertilizer for horticultural application having all the agronutrients essential for plant growth is disclosed. The soil comprises a synthetic apatite fertilizer having sulfur, magnesium and micronutrients dispersed in a calcium phosphate matrix, a zeolite cation exchange medium saturated with a charge of potassium and nitrogen cations, and an optional pH buffer. Moisture dissolves the apatite and mobilizes the nutrient elements from the apatite matrix and the zeolite charge sites.
    Keywords: Inorganic, Organic and Physical Chemistry
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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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
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    NASA TECHNICAL REPORTS
  • 4
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    Unknown
    Slow-release fertilizer (1995)
    In:  CASI
    Details
    Publication Date: 2019-08-15
    Description: A synthetic apatite containing agronutrients and a method for making the apatite are disclosed. The apatite comprises crystalline calcium phosphate having agronutrients dispersed in the crystalline structure. The agronutrients can comprise potassium, magnesium, sulfur, iron, manganese, molybdenum, chlorine, boron, copper and zinc in amounts suited for plant growth. The apatite can optionally comprise a carbonate and/or silicon solubility control agent. The agronutrients are released slowly as the apatite dissolves.
    Keywords: Inorganic, Organic and Physical Chemistry
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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