期刊论文

Effects of Deep Vertical Rotary Tillage on Soil Physical Characteristics and Root Development of Flue-Cured Tobacco in Paddy-Tobacco Growing Area in Changsha

中文

华北农学报

1000-7091

2021

36

01

134-142

10.7668/hbnxb.20190952

湖南省烟草公司科技项目（湘烟科[2017]170）；

本校为第一机构

为改善长沙稻作烟区土壤环境,提升植烟土壤质量。通过大田试验,设置粉垄深耕（T1）1个处理和铧式犁翻耕（T2）、直接旋耕（T3）2个常规对照,探究不同耕作方式对长沙稻作烟区土壤物理特性及烤烟根系干、鲜质量的影响。结果表明:粉垄深耕明显改善了土壤表层物理结构,在0～30 cm耕层总体范围内,T1粉垄深耕处理与T3常规处理（当地耕作方式）相比,2018年容重、紧实度平均下降8.80%,29.70%,孔隙度平均增大10.67百分点;2019年T1较T3容重、紧实度平均下降11.25%,21.45%,孔隙度平均增大12.8百分点;在烤烟移栽3-5月,T1处理0～10 cm耕层土壤平均含水率比T2高出0.62百分点,在10～20 cm耕层分别比T2和T3高出3...

In order to improve the soil environment and soil quality of tobacco planting in rice growing area of Changsha.Through field experiments,1 deep vertical rotary tillage(T1) treatment and 2 conventional controls were set up,including the ploughed furrow(T2) and direct rotary ploughing(T3),to explore the effects of different tillage methods on soil physical characteristics and dry and fresh weight of flue-cured tobacco roots in the rice-tobacco zone area in Changsha.The results showed that deep vertical rotary tillage improved the soil surface physical structure.Within the overall range of 0-30 c...