The invention relates to a method for stimulating the growth of the plants and/or improving the biomass production and/or increasing the carbon fixation by the plant comprising introducing into a rice plant cell, rice plant tissue or rice plant one or more nucleic acids, wherein the introduction of the nucleic acid(s) results inside the chloroplast of a de novo expression of one or more polypeptides having the enzymatic activity of a glycolate dehydrogenase.