There is an annual movement of salt with water in coastal solonchak in liaoning as follows : the thawing - evapo - salinization period in spring , irrigation - leaching - desalting period in rice growing season from may to september , evapo - salinization period again in late fall and relatively stable period in winter 辽宁沿海盐土中盐分每年随水移动如下:春季为冻融-蒸发-盐化期, 5 ~ 9月为灌溉-淋洗-脱盐水稻种植期,晚秋为蒸发-盐化期,冬季为相对稳定期。