稀土镧在西瓜上应用的安全性研究
Fujian Agricultural Science and Technology(2016)
Abstract
以黑翡翠西瓜为试验材料,研究在西瓜生产上应用稀土镧的安全问题,结果表明:在没有外源施加的条件下,稀土镧在西瓜植株含量分布为根>叶>茎>果皮>果肉,果肉含量极低,为0.065 mg/kg;在西瓜采收前7d喷施120 mg/kg和240 mg/kg两个处理的果肉稀土镧含量分别为0.083 mg/kg和0.070 mg/kg,其稀土镧含量均远低于水果中允许的限量标准,在西瓜上应用是安全的.
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