钙镁水滑石施用方式对双季稻糙米镉含量与土壤特性的影响

田琴琴, 卓乐, 陈娜娜, 郑德超, 吴小京, 喻鹏, 陈平平, 易镇邪

Effects of Calcium-Magnesium Hydrotalcite on Cadmium Content in Brown Rice of Double-Cropping Rice and Soil Characteristics

Tian Qinqin, Zhuo Le, Chen Nana, Zheng Dechao, Wu Xiaojing, Yu Peng, Chen Pingping, Yi Zhenxie

表3 钙镁水滑石对双季稻田土壤养分的影响

Table 3 Effects of calcium-magnesium hydrotalcite on soil nutrients in double-cropping rice fields mg/kg

年份Year 季别Season 处理Treatment 速效钾Available K 速效磷Available P 碱解氮Available N 2021 早稻 CK 100.00±10.50b 60.88±1.27c 157.27±1.46c T1 140.00±11.55a 79.43±1.64a 178.97±1.07a T2 113.33±11.55b 77.63±1.61ab 177.80±1.40a T3 113.33±11.55b 77.09±1.59ab 176.87±0.81a T4 106.67±11.55b 76.42±1.07b 164.03±1.62b T5 106.67±11.55b 63.40±1.32c 161.93±2.02b 晚稻 CK 126.67±11.55c 72.41±1.50c 146.53±2.25c T1 166.67±11.55a 84.84±1.75a 167.77±1.07a T2 153.33±11.55ab 77.27±1.60b 165.20±3.30ab T3 153.33±11.55ab 75.83±1.57b 164.27±3.59ab T4 146.67±11.55abc 75.11±1.55bc 163.80±0.70ab T5 133.33±11.55bc 72.41±1.50c 160.53±1.62b 2022 早稻 CK 113.33±11.55b 36.08±2.28c 172.20±3.70b T1 153.33±11.55a 44.97±3.34a 184.80±4.85a T2 140.00±20.00ab 41.90±2.27ab 183.40±5.05ab T3 140.00±20.00ab 45.33±0.89a 187.13±7.05a T4 133.33±11.55ab 39.68±1.73bc 182.93±5.30ab T5 133.33±11.55ab 39.26±1.30bc 182.47±6.31ab 晚稻 CK 166.67±11.55b 38.49±3.54d 92.87±5.66b T1 240.00±10.00a 49.52±2.77b 106.40±7.79ab T2 186.67±11.55b 46.35±3.42c 100.33±5.83ab T3 260.00±20.00a 55.97±2.60a 107.80±9.18a T4 186.67±11.55b 46.14±6.68c 97.07±5.83ab T5 180.00±12.00b 39.38±0.68c 92.87±3.52b