不同厚度秸秆隔层对河套灌区盐碱土壤温度、水分和食葵产量的影响

王国丽,常芳弟,张宏媛,卢闯,宋佳珅,王婧,逄焕成,李玉义

Effects of Straw Interlayer with Different Thickness on Saline-Alkali Soil Temperature, Water Content, and Sunflower Yield in Hetao Irrigation Area

WANG GuoLi,CHANG FangDi,ZHANG HongYuan,LU Chuang,SONG JiaShen,WANG Jing,PANG HuanCheng,LI YuYi

表1 2015—2017年食葵各生育时期0—40 cm土层温度

Table 1 Soil temperature of 0-40 cm soil layer in each growth period of sunflower from 2015 to 2017

年份 Year 处理 Treatment 苗期土壤温度 Soil temperature in seedling stage (℃) 蕾期土壤温度 Soil temperature in bud stage (℃) 花期土壤温度 Soil temperature in flowering stage (℃) 成熟期土壤温度 Soil temperature in maturity stage (℃) 2015 CK 25.1±0.35b 26.4±0.23b 23.4±0.18c 20.5±0.19a S3 25.6±0.27a 26.8±0.39ab 23.5±0.12b 20.7±0.29a S5 25.8±0.20a 27.0±0.33ab 23.8±0.13b 20.5±0.29a S7 25.9±0.26a 27.2±0.21a 24.2±0.19a 20.8±0.23a 2016 CK 17.3±0.31b 22.6±0.28b 22.7±0.25b 20.5±0.19b S3 17.7±0.27ab 22.9±0.24ab 22.7±0.19b 20.7±0.29ab S5 17.9±0.19a 23.1±0.31a 23.2±0.25a 20.9±0.34ab S7 18.0±0.30a 23.3±0.35a 23.3±0.21a 21.1±0.31a 2017 CK 23.0±0.25b 25.3±0.31b 23.8±0.18b 20.4±0.32a S3 23.4±0.19ab 25.4±0.24b 23.8±0.25b 20.5±0.27a S5 23.5±0.22a 25.8±0.28ab 24.1±0.24ab 20.5±0.30a S7 23.6±0.31a 26.0±0.20a 24.3±0.22a 20.9±0.25a