【摘要】 通过在滨海泥质重盐碱地区挖深60 cm的集雨池,并覆盖不同厚度的河沙(5 cm、10 cm和15 cm)和苇草(15 cm),研究了利用雨季自然降雨洗盐和冬春季节抑制返盐的效果。结果表明:各覆盖处理均能起到一定的洗盐、抑盐效果,且洗盐效果和抑盐效果随河沙厚度的增加而提高,但以覆盖15 cm苇草处理的洗盐、抑盐效果最佳。更多还原

【Abstract】 Rainfall-collecting pools with the depth of 60 cm were built and different thickness of river sand mulch(5 cm、10 cm and 15 cm)or reeds mulch(15 cm) was applied on the coastal shale saline land,to study the salt-washing effect of natural rainfall in rainy season and the salt accumulation restraining effect in winter and spring.The results showed that the mulch cover treatments all had certain salt-washing effect and salt restraining effect,and the salt control effects were enhanced along with the increasing thickness of river sand,but 15 cm reeds mulch performed the best.更多还原