水土保持学报2011,Vol.25Issue(2):214-217,231,5.
不同有机物料与石灰对小麦吸收镉的影响
Effects of Different Organic Material and Lime on Wheat Grow and Cadmium Uptake
摘要
Abstract
Pot experiments were carried out to study effects of different organic materials, lime and their combinations on wheat growth and cadmium (Cd) uptake by above-ground portions of the wheat plant. Results indicated that wheat grain yield was significantly increased with an increase in amounts of pig manure added, and significantly decreased with an increase in amounts of lime, while other treatments did not cause significant differences of Cd in grain yields. The highest rate of pig manure (Z4) or limef+low rate pig manure (Z2) could significantly reduce Cd uptake by wheat to below the maximal permissible Cd value of food stuffs mandated by the state (GB2762-2005). Ali the organic materials plus lime could remarkably limit Cd uptake by wheat but failed to lower it below the maximal permissible Cd value of food stuffs mandated by the state. Application high rate of pig manure or combined use of lime+pig manure which showed a strong antagonistic effect on Cd uptake by wheat, could effectively limit Cd uptake and relocation of Cd from straw to grains. Lime plus peat or active carbon, however, showed synergic effect that enhanced Cd uptake by wheat to a certain extent.关键词
有机物料/石灰/镉/小麦Key words
organic materials / lime / cadmium / wheat分类
农业科技引用本文复制引用
詹绍军,喻华,冯文强,秦鱼生,廖鸣兰,王昌全,涂仕华..不同有机物料与石灰对小麦吸收镉的影响[J].水土保持学报,2011,25(2):214-217,231,5.基金项目
四川省基金项目(2008NG0002) (2008NG0002)
公益性行业(农业)科研专项(201003016) (农业)