A study on utilization of processed organic waste solution for plant cultivation in closed ecolosical systems
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概要
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The coupling of plant growth and waste recling systems is an important step toward the development of Controlled Ecological Life Support Systems. This study examined suitability of waste wet-oxidized solution for use as a plant nutrient solution.<BR>In order to investigate whether plant could be grown with waste wet-oxidized solution, simulated and modified (P and Fe-enriched) wet-oxidized solution of rabbit feces were prepared with reagents. Lettuce, welsh onion, pea and spinach could not be grown with these solutions.<BR>In order to define what factors in those solutions inhibit growth of plants, lettuces were cultured with standard solution, simulated solution and 7 kinds of modified solutions. As results from the experiment, it, was clarified that shortcomings of wet-oxidized solution as culture solution were excess of Ni cocentration and P, Fe and N deficiencies.<BR>Concentration of Ni in the waste wet-oxidized solution obtained using an experimental equipment with a Ti-lloy furnace was low enough not to inhibit growth of rice plants.
- 生態工学会の論文
生態工学会 | 論文
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