EFFECT OF PASSIVATORS ON Cd AVAILABILITY IN FARMLAND SOIL AND Cd UPTAKE BY DIFFERENT RICE VARIETIES

LI Xiang; YANG Chi-hao; LIU Ye; ZHANG Min; SUN Xiao-feng; ZHOU Yu-cheng; YIN Wei-qin; WANG Sheng-sen; WANG Xiao-zhi

doi:10.13205/j.hjgc.202109030

Volume 39 Issue 9

Jan. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2021 > 39(9): 211-216

LI Xiang, YANG Chi-hao, LIU Ye, ZHANG Min, SUN Xiao-feng, ZHOU Yu-cheng, YIN Wei-qin, WANG Sheng-sen, WANG Xiao-zhi. EFFECT OF PASSIVATORS ON Cd AVAILABILITY IN FARMLAND SOIL AND Cd UPTAKE BY DIFFERENT RICE VARIETIES[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(9): 211-216. doi: 10.13205/j.hjgc.202109030

Citation:

LI Xiang, YANG Chi-hao, LIU Ye, ZHANG Min, SUN Xiao-feng, ZHOU Yu-cheng, YIN Wei-qin, WANG Sheng-sen, WANG Xiao-zhi. EFFECT OF PASSIVATORS ON Cd AVAILABILITY IN FARMLAND SOIL AND Cd UPTAKE BY DIFFERENT RICE VARIETIES[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(9): 211-216. doi: 10.13205/j.hjgc.202109030

Citation:

LI Xiang, YANG Chi-hao, LIU Ye, ZHANG Min, SUN Xiao-feng, ZHOU Yu-cheng, YIN Wei-qin, WANG Sheng-sen, WANG Xiao-zhi. EFFECT OF PASSIVATORS ON Cd AVAILABILITY IN FARMLAND SOIL AND Cd UPTAKE BY DIFFERENT RICE VARIETIES[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(9): 211-216. doi: 10.13205/j.hjgc.202109030

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EFFECT OF PASSIVATORS ON Cd AVAILABILITY IN FARMLAND SOIL AND Cd UPTAKE BY DIFFERENT RICE VARIETIES

doi: 10.13205/j.hjgc.202109030

1. School of Environmental Science and Engineering, Yangzhou University, Yangzhou 225000, China;
2. Gaoyou Bureau of Agriculture and Rural Affairs, Gaoyou 225600, China;
3. Jiangsu Ruiwo Construction Group, Gaoyou 225600, China

Received Date: 2020-07-11
Available Online: 2022-01-21

Abstract

Abstract

In order to ensure the quality and safety of agricultural products from the source and repair cadmium pollution in farmland soil, field experiments were carried out on cadmium contaminated farmland soil. The effects of applying five different passivators such as TX,NL soil conditioner, biochar, lime and silicon fertilizer on soil pH, organic matter, available state content of Cd and different forms of Cd were studied, and the effects of the passivators on the yield of four different rice varieties and Cd accumulation in rice organs were discussed. The results showed that compared with the control, after the application of TX, NL soil conditioner, biochar, lime and silicon fertilizer, the available Cd content in soil was decreased by 59.4%, 29.9%, 22.8%, 22.4% and 54.4% respectively. Applying passivator could improve rice yield and inhibit accumulation of Cd in rice organs. When rice variaties of Huaidao 5 or Yangjing 805 treated together with TX soil conditioner, the grain Cd content was 0.163 mg/kg or 0.147 mg/kg, respectively, which achieved the safety and quality standard of agricultural products (China's national standard, GB 2762-2017). The results indicated that two rice varieties of Huaidao 5 and Yangjing 805 were more preferable for low accumulation of Cd in the middle area of Jiangsu, and for planting in moderately Cd polluted soil, in combination with application of appropriate passivators.
- amendments,
- cadmium,
- bioavailability,
- rice,
- soil remediation

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References(27)

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