Improvement effects of 5 kinds C4 planting on the secondary salinization of vegetable soil
QU Yunming
Abstract：C4 crops have good salt removal effect,planting sweet sorghum,sweet corn,Mexico corn,sorghum-sudangrass,sorghum sudanense.Test C4 crops absorb salt effect,a suitable salt removal crop was selected,in order to slow down the occurrence of secondary soil salinization and improve secondary salinization soil.Results show that 53 days after planting the crop,it can reduce the surface soil salinity more than 20.7％.The best salt removal effect is sweet corn,reduced by 46.6％.The second is sweet sorghum.The third is Mexico corn.Straw returning to field can provide nutrients for the next crop.Taken comprehensive salt removal and straw returning nutrient effect together,the best is sweet corn,the second is Mexico corn,the third is the sweet sorghum.
Keywords：Vegetable soilC4 cropsSoil salinization
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 13-16 )