List of Articles leaf yield Open Access Article Abstract Page Full-Text 1 - The effect of humic acid application on Stevia (Stevia rebaudiana) growth and metabolites under drought stress Ameneh Zamani Mojtaba Karimi Ali Abbasi-surki Fatemeh Direkvand-moghadam 10.30495/ijpp.2021.682479 20.1001.1.21558221.2021.11.3.1.2