Method for planting Erythrina crista-galli for Jiangsu coastal saline-alkali soil remediation

The invention relates to the technical fields of soil remediation and planting, and discloses a method for planting Erythrina crista-galli for Jiangsu coastal saline-alkali soil remediation. The method comprises the following steps: establishment of an irrigation and drainage facility in a coastal saline-alkali planting area: a step of determining a planting area according to the salt content of coastal saline-alkali soil and a salt-tolerant threshold value of the Erythrina crista-galli, digging a drainage ditch in an area where the Erythrina crista-galli is planned to be planted, and establishing an irrigation and drainage system; and soil improvement treatment of the planting area in winter. The method for planting the Erythrina crista-galli in Jiangsu coastal saline-alkali soil providedby the invention is simple and rigorous to operate, systematically introduces the cultivation process and mode method of the Erythrina crista-galli in the coastal saline-alkali soil, and selects an excellent salt-tolerant la