不同前作植烟土壤质量评价及其与烟叶质量的相关性研究
李新如, 谢晏芬, 朱宣全, 王戈, 白羽祥, 杜宇, 周鹏, 赵宇婷, 朱红琼, 杨帆, 肖志文, 王文波, 方志鹏, 韩家宝, 王娜

Soil Quality Evaluation and Its Correlation with Tobacco Leaf Quality under Different Previous Crops
Li Xinru, Xie Yanfen, Zhu Xuanquan, Wang Ge, Bai Yuxiang, Du Yu, Zhou Peng, Zhao Yuting, Zhu Hongqiong, Yang Fan, Xiao Zhiwen, Wang Wenbo, Fang Zhipeng, Han Jiabao, Wang Na
表3 各前茬作物对土壤物理性质的影响
Table 3 Effects of previous crops on soil physical properties
处理
Treatment
比重
Specific gravity
R0.25 机械组成Mechanical composition (%)
砂粒
Sand grain (0.021~2.000 mm)
粉砂粒
Silt grain (0.002~0.020 mm)
黏粒
Clay particle (≤0.002 mm)
T1 2.60±0.04b 20.54±9.58b 40.06±8.56ab 35.56±6.75a 24.42±3.15b
T2 2.67±0.04a 45.22±3.51a 38.12±9.86ab 22.35±3.48b 39.57±11.91a
T3 2.62±0.04ab 27.48±13.49b 53.44±13.64a 20.76±7.22b 25.80±7.48b
T4 2.59±0.04b 29.49±12.00b 36.13±13.20b 27.54±8.28ab 36.34±10.04ab