Aplikasi Ekstrak Portulaca oleracea L. sebagai Biostimulan pada Pertumbuhan Kale (Brassica oleracea L. var acephala)

Biostimulants are organic compounds which in small amounts can have a positive effect on plant growth. Plant extracts source of biostimulants contain such as secondary metabolites and other that enhance Portulaca is wild contains metabolites, amino acids, macro micro nutrients the potential biostimulants. Kale vegetable from Brassicaceae family known super food because its health benefits. Efforts to improve quality production need be increased line with public demand. This study aims analyze giving several concentrations extract compatibility The method used this was an experimental completely randomized design (CRD) 5 treatments replications. Some treatment consisting of: A (0%); B (1.5%); C (3%); D (4.5%); E (6%). application had significantly different chlorophyll total plants highest content 0.822 1.462, but did not growth parameters. Based proximate analysis, increasing concentration increase percentage protein content, namely at 6% by 23.75%.