Plant treatment method including the application of at least one compound called carbonic ester of glycerol, including at least one carboxylic ester function composed of: - a group derived from carbonic acid with the following formula: wherein each hydrogen atom in the carbonic acid is substituted by an organic group distinct from hydrogen, and: - at least one group derived from glycerol with the following formula: wherein at least one hydrogen atom in the hydroxyl groups of glycerol is substituted by an organic group distinct from hydrogen, except for cyclic glycerol carbonate with five chains; wherein at least one carbonic ester of glycerol is chosen from the group formed from: ∘ linear carbonic esters of glycerol with at least one group of atoms with the following general formula: wherein: - G 0 is chosen from the group composed of: ▪ α/α'-acylated propylene groups with the following general formula: ▪ β-acylated propylene groups with the following general formula: ▪ the α/α'-hydroxyl propylene group with the following general formula: ▪ the β-hydroxyl propylene group with the following general formula: wherein R1 and R2 are organic groups formed from elements chosen from the group composed of carbon, hydrogen and oxygen; ∘ cyclic α/α'-acylated carbonic esters of glycerol with the following general formula (VIII): wherein R1 is an organic group formed from elements chosen from the group composed of carbon, hydrogen and oxygen, and; ∘ cyclic β'-acylated carbonic esters of glycerol with the following general formula: wherein R2 is an organic group formed from elements chosen from the group composed of carbon, hydrogen and oxygen. - a group derived from carbonic acid with the following formula: wherein each hydrogen atom in the carbonic acid is substituted by an organic group distinct from hydrogen, and: - at least one group derived from glycerol with the following formula: wherein at least one hydrogen atom in the hydroxyl groups of glycerol is substituted by an organic group distinct from hydrogen, except for cyclic glycerol carbonate with five chains; - at least one group derived from glycerol with the following formula: wherein at least one hydrogen atom in the hydroxyl groups of glycerol is substituted by an organic group distinct from hydrogen, except for cyclic glycerol carbonate with five chains; ∘ linear carbonic esters of glycerol with at least one group of atoms with the following general formula: wherein: - G 0 is chosen from the group composed of: ▪ α/α'-acylated propylene groups with the following general formula: ▪ β-acylated propylene groups with the following general formula: ▪ the α/α'-hydroxyl propylene group with the following general formula: ▪ the β-hydroxyl propylene group with the following general formula: wherein R1 and R2 are organic groups formed from elements chosen from the group composed of carbon, hydrogen and oxygen; - G 0 is chosen from the group composed of: ▪ α/α'-acylated propylene groups with the following general formula: ▪ β-acylated propylene groups with the following general formula: ▪ the α/α'-hydroxyl propylene group with the following general formula: ▪ the β-hydroxyl propylene group with the following general formula: wherein R1 and R2 are organic groups formed from elements chosen from the group composed of carbon, hydrogen and oxygen; ▪ α/α'-acylated propylene groups with the following general formula: ▪ β-acylated propylene groups with the following general formula: ▪ the α/α'-hydroxyl propylene group with the following general formula: ▪ the β-hydroxyl propylene group with the following general formula: wherein R1 and R2 are organic groups formed from elements chosen from the group composed of carbon, hydrogen and oxygen; ∘ cyclic α/α'-acylated carbonic esters of glycerol with the following general formula (VIII): wherein R1 is an organic group formed from elements chosen from the group composed of carbon, hydrogen and oxygen, and; ∘ cyclic β'-acylated carbonic esters of glycerol with the following general formula: wherein R2 is an organic group formed from elements chosen from the group composed of carbon, hydrogen and oxygen.