秸秆隔层对土壤温度及向日葵产量的调控效应研究

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关键词秸秆隔层；土壤温度；产量;向日葵;调控效应中图分类号S565.5文献标识码A文章编号 0517-6611（2025）13-0178-03doi ： 10.3969/j . issn. 0517-6611.2025.13. 034

开放科学（资源服务）标识码（OSID）：

Study on the Regulatory Effects of Straw Interlayers on Soil Temperature and Sunflower Yield

CUI Chao，WANG Hai-yan，MA Xin-yue et al（Hetao Colege，Bayannur，Inner Mongolia 015000）

AbstractA field experiment was carried out with four treatments： wheat （D1）， corn（D2） and sunflower（D3），the straw-free interlayer was usedscontrK）eectofstrawiteraeronsoltempeatureandsunfloerieldwassudiedTesultssoedtatteieldof1 was the highest，reaching 5 056.28kg/hm2 ，which was 14.56% higher than that of CK. The yield components of every straw interlayer treatmentweresignificantlyigherthantatofthontrintesoffullgainweight，-grainweigtandeelate，ndtegtasD1 treatment （ 372.68g，21.75g and 71.13% ，respectively），the seed setting rate of CK was the best （ （77.85% ）. Correlation analysis showed that，teyieldasgatielyoeadwieveeonlyilmpeaueringneOcterndositivelyoadwieoil temperature at depths of 5，15，and 25cm .There was a significant or extremely significant positive correlation between soil temperatures in June andJulyandteepteobeaslytosiiatwlmpesasf， and 25cm

KeywordsStraw interlayer;Soil temperature; Yield;Sunflower;Regulation effects

向日葵是我国北方地区重要的油料作物1，也是人民群众生活中的主要食物油来源，向日葵相较于其他作物其具有较强的耐干旱、盐碱等特性[2]。（剩余5606字）