旋耕配合秸秆颗粒还田对土壤物理特性的影响

董建新,宋文静,丛萍,李玉义,逄焕成,郑学博,王毅,王婧,况帅,徐艳丽

Improving Farmland Soil Physical Properties by Rotary Tillage Combined with High Amount of Granulated Straw

DONG JianXin,SONG WenJing,CONG Ping,LI YuYi,PANG HuanCheng,ZHENG XueBo,WANG Yi,WANG Jing,KUANG Shuai,XU YanLi

表6 双因素方差分析耕作方式与秸秆颗粒用量交互作用对田间持水量的影响

Table 6 Two-way ANOVA analysis of the interaction between tillage and pelletized straw amount on field water capacity

土层 Soil layer (cm) 年份 Year 耕作方式 Tillage management 秸秆用量 Straw amount 耕作方式×秸秆用量 Tillage management ×Straw amount F P F P F P 0-20 2016 5.85 0.0361 0.23 0.7992 0.66 0.5399 2017 16.29 0.0024 3.71 0.0624 3.41 0.0743 2018 0.35 0.5650 0.86 0.4509 0.92 0.4299 20-40 2016 0.75 0.4071 1.98 0.1887 2.14 0.1690 2017 2.02 0.1855 19.70 0.0003 0.20 0.8218 2018 0.07 0.7985 0.49 0.6269 2.30 0.1504