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HERO ID
3338067
Reference Type
Journal Article
Title
The Effect of Planting Oilseed Rape and Compost Application on Heavy Metal Forms in Soil and Cd and Pb Uptake in Rice
Author(s)
Wu Fei-long; Lin Dai-yan; Su De-chun
Year
2011
Is Peer Reviewed?
Yes
Journal
Agricultural Sciences in China
ISSN:
1671-2927
EISSN:
2210-450X
Volume
10
Issue
2
Page Numbers
267-274
DOI
10.1016/S1671-2927(11)60004-7
Web of Science Id
WOS:000287644200013
Abstract
Pot experiments were conducted under greenhouse condition to investigate whether Cd and Pb uptake by rice could be reduced when it was rotated with oilseed rape and compost application. The results showed that the rice grown after oilseed rape had significantly lower Cd and Pb concentrations in both straw and grains. Cd and Pb concentrations in the grains of the rice rotated with oilseed rape decreased by approximately 46-80% and 17-86%, respectively, although the Cd and Pb removal by oilseed rape ranged only from 2.39-3.67 and 0.032-0.13% of the total content in soil. Compost amendment also decreased the bioavailability of Cd and Pb in the soil and reduced Cd and Pb uptake by oilseed rapes and rice. The concentrations of Cd and Pb significantly decreased in the exchangeable and carbonate fractions and Pb concentration decreased in the organic matter and sulfide fractions in the contaminated soil after planting oilseed rapes.
Keywords
heavy metal; crop rotation; compost; oilseed rape; rice
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