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ARTIFICIAL SOIL MEDIUM
专利权人:
TOYO TIRE & RUBBER CO.; LTD.
发明人:
Nobuyoshi ISHIZAKA
申请号:
US14652535
公开号:
US20150319945A1
申请日:
2013.12.26
申请国别(地区):
US
年份:
2015
代理人:
摘要:
In an artificial soil medium including a collection of artificial soil particles, provided is a technique of allowing an appropriate nutrient(s) to be released during each growth stage of plant to be grown, or highly controlling the amount of a nutrient(s), depending on a plant to be grown. An artificial soil medium 100 includes a plurality of artificial soil particles 50 configured to release a nutrient. The plurality of artificial soil particles 50 include a plurality of types of artificial soil particles 50 configured to release different nutrients during different stages of a plant cultivation period. The plurality of types of artificial soil particles 50 are configured to release a nutrient in response to a change in an external environment.
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