PROBLEM TO BE SOLVED: To provide an underground environment controlling technology enabling low-cost and labor-saving high profitability in order to improve agricultural production.SOLUTION: An overall soil environment controlling apparatus which combines a method of simplified forcible water and air flow and forcible drainage of soil, a method for agricultural labor-saving type rooting zone soil environment control, and methods and apparatuses of forcible water and air flow and microbubble supply to rooting zone soil, drainage of a rooting zone in an over-humidity state, and soil disease and insect pest prevention, and handles many works by one system is provided.COPYRIGHT: (C)2012,JPO&INPIT【課題】農業生産の向上を図るため、低コスト、省力的で高い収益性を可能とする地下環境制御技術を提供する。【解決手段】簡易型の土壌の強制通水気及び強制排水の方法、農業の省力型根圏土壌環境制御の方法及び、根圏土壌への強制通水気とマイクロバブル供給及び、過湿状態の根圏の排水及び、土壌病害虫の防除の方法と装置を組み合わせた、一つのシステムで多くの作業をこなす総合的な土壌環境制御装置。【選択図】図1