土壤改良剂对低湖冷浸田土壤特性及水稻生长的影响
汪本福, 余振渊, 宋平原, 张作林, 张枝盛, 李阳, 苏章锋, 郑中春, 程建平

Effects of Soil Amendments on Soil Characteristics and Rice Growth in Cold Waterlogged Paddy Field
Wang Benfu, Yu Zhenyuan, Song Pingyuan, Zhang Zuolin, Zhang Zhisheng, Li Yang, Su Zhangfeng, Zheng Zhongchun, Cheng Jianping
表3 土壤改良剂对土壤还原性物质及土壤养分含量的影响
Table 3 Effects of soil amendments on soil reducing substances and soil nutrient content
处理
Treatment
还原物质总量
Total amount of reducing
substances (cmol/kg)
活性还原物质
Active reducing
substances (cmol/kg)
氧化亚铁
Ferrous oxide
content (cmol/kg)
碱解氮
Available N
(mg/kg)
有效磷
Available P
(mg/kg)
速效钾
Available K
(mg/kg)
T1 8.26b 6.12b 3.58b 242a 19.80a 78a
T2 8.17b 6.07b 3.54b 216b 16.70b 54b
CK 10.12a 8.31a 4.68a 218b 15.40c 56b