Cleopatra; Noli, Z. A.; Idris, M.; Chairul; Suwirmen; Solfiyeni. Application of Portulaca Oleracea L. Extract As a Biostimulant With Several Types of Solvents on The Growth of Kale (Brassica Oleracea Var. Achepala). JBT 2023, 23, 715-721.