The aim of this research was to know the effect of catfish wastewater and fish flour to the growth of lettuce plant in hydroponics. The research was conducted at the Hydroponics House in the Faculty of Agriculture, Sriwijaya University, from December 2020 to February 2021. This study used a Completely Randomized Design (CRD) consisting of 7 treatments, A1 = catfish wastewater 100%, A2 = catfish…
The research aims to determine the effectiveness of a tool that can measure the number of dissolved solids in The Internet of Things (IOT) based on hydroponic plant nutrient water. This research was carried out from January 2021 to May 2021 at the Energy and Electrification Laboratory of the Department of Agricultural Technology, Faculty of Agriculture, Sriwijaya University. The method used in …