A method for alleviating cracking in alkaline soil. The method combines a land physical and chemical modification method, a salt removal by irrigation method, and a crop cultivation method. Modifiers and fertilizers are added to soil to adjust physical and chemical properties of the soil and improve the structure of the soil. Measures of salt leaching by irrigation are adopted in conjunction therewith to effectively provide ion exchange conditions, accelerate the migration of salt in the soil, and facilitate soil desalination. Furthermore, planting of salt-tolerant crops can effectively improve the physical and chemical properties and structure of the soil, and improve permeability to facilitate the leaching of salt in the soil. In this way, the invention resolves the technical problems in which after cracked alkaline soil is irrigated, dispersion of soil particles leads to swelling of the soil due to absorption of water, siltation of pores, poor water permeability of the muddy soil, difficulty in quick leaching of salt in the soil, and shrinkage and hardening of dry soil, and a slow migration speed of salt in the soil under leaching conditions", thus facilitating the development and utilization of saline and alkali resources, and bringing significant economic, social, and ecological benefits.Linvention concerne un procédé pour soulager la fissuration dans un sol alcalin. Le procédé combine un procédé de modification physique et chimique du terrain, un procédé délimination de sel par irrigation, et un procédé de culture vivrière. Des modificateurs et des engrais sont ajoutés au sol pour ajuster les propriétés physiques et chimiques du sol et améliorer la structure du sol. Des mesures de lessivage du sel par irrigation sont adoptées conjointement avec ceux-ci en vue de produire efficacement des conditions déchange dions, daccélérer la migration du sel dans le sol, et de faciliter le dessalement du sol. En outre, la plantation de cultures tolérantes au sel peut amélio
