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2 试验设计表

Table 2 Experimental design

编号No. 试验处理Treatment RG0 旋耕+秸秆不还田Rotary tillage with no straw return TG1 深翻（35 cm）+ 秸秆颗粒2 250 kg·hm-2Deep ploughing (35 cm) with granulated straw 2 250 kg·hm-2 TG2 深翻（35 cm）+ 秸秆颗粒4 500 kg·hm-2Deep ploughing (35 cm) with granulated straw 4 500 kg·hm-2 TG3 深翻（35 cm）+ 秸秆颗粒6 750 kg·hm-2Deep ploughing (35 cm) with granulated straw 6 750 kg·hm-2 RG1 旋耕（15 cm）+ 秸秆颗粒2 250 kg·hm-2Rotary tillage (15 cm) with granulated straw 2 250 kg·hm-2 RG2 旋耕（15 cm）+秸秆颗粒4 500 kg·hm-2Rotary tillage (15 cm) with granulated straw 4 500 kg·hm-2 RG3 旋耕（15 cm）+秸秆颗粒6 750 kg·hm-2Rotary tillage (15 cm) with granulated straw 6 750 kg·hm-2