Almeida, Alexsandro C. S ; Botrel, Tarlei A ; Raine, Steven R... https://research.usq.edu.au/download/fc20d759f613188c94c8246ecabd60ff58f05bcb7ec4c520aebcf938a4edb3c5/309860/An%20irrigation%20controller%20mechanically%20actuated%20by%20soil-water%20tension_I-design,%20development%20and%20laboratory%20evaluations.pdf.
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2017