The potency of soil bacteria on soil phosphorus solubilization and IAA production for innovation on sustainable Melon (Cucumis melo) production through biofilm biofertilizer

Abstract To fulfils the demand of melons ( Cucumis melo ), it requires intensive maintenance by agrochemical products. If this is done continuously, will lead to soil degradation and disrupt sustainable food supply. Therefore, an innovation needed maintain supply using biofilm biofertilizer technology. This study aims are determine potential bacteria isolated from melon rhizosphere solubilize phosphate producing indole acetic acid (IAA) so that can be developed into biofertilizer. Soil samples were taken three gardens owned farmers located in Sragen Regency, Karanganyar Regency Wonogiri Central Java. In laboratory, then dilution method. The isolates obtained tested for their ability produce IAA. Phosphate essential nutrient plant growth IAA promoting. results showed highest solubilization was produced bacterial isolate SRG 1A with a halo zone ratio 1.957 concentration WNG 1B value 6.151 ppm. Based on bacteria, indicates have as help plants because has potency