干旱地区农业研究2025，Vol.43Issue(3)：99-106,8.DOI:10.7606/j.issn.1000-7601.2025.03.11
秸秆和塑料残膜对农田土壤水分入渗的影响
Effects of straw and plastic residue film on soil water infiltration in farmland
摘要
Abstract
In the dryland farmlands of the Loess Plateau,residual straw and plastic film commonly coexist.This study was conducted to investigate their effects on soil water infiltration.A total of 8 treatments were set up,in-cluding 2 levels of straw addition(0%and 1.2%of soil weight)and 4 levels of plastic film content(0%,0.04%,0.08%,and 0.12%of soil weight),to analyze the movement of wetting front,infiltration time,cumulative infiltra-tion,total infiltration,and infiltration rate under different soil additive conditions.The results showed that the mix-ture of straw and plastic residue enhanced the blocking effect of residual film on the vertical migration of wet front,and the coexistence of residual film content was the strongest when the residual film content was 0.08%.When the residual film content in soil was lower than 0.08%,the cumulative infiltration and initial infiltration rate were signif-icantly reduced by straw incorporation(P<0.05).When the residual film content in soil was 0.12%,the cumula-tive infiltration and initial infiltration rate were significantly increased by straw incorporation(P<0.05).The deter-mination coefficient R2 of Kostiakov model and Philip model is close to 1,and the fitting effect is good.In summa-ry,when the plastic film residue content in the soil is low,straw reduces the infiltration capacity.However,when the plastic film residue content is high,straw helps mitigate the negative impact of plastic residue on infiltration.Both the Kostiakov and Philip models demonstrated a good fit to the infiltration data from soils containing straw and plastic film residue in the Loess Plateau.关键词
水分入渗/秸秆/残膜/Kostiakov模型/Philip模型/黄土高原Key words
water infiltration/straw/plastic film residual/Kostiakov model/Philip model/Loess Plateau region分类
农业科技引用本文复制引用
余小玲,白晨赟,刘琦,韩晓阳,乔江波,朱元骏..秸秆和塑料残膜对农田土壤水分入渗的影响[J].干旱地区农业研究,2025,43(3):99-106,8.基金项目
国家自然科学基金(42377316) （42377316）
