Effects of Lanthanum on Hydrolytic Enzyme Activities in Red Soil
来源期刊：JOURNAL OF RARE EARTHS2002年第2期
论文作者：朱建国 曾青 李振高 曹志洪 林先贵 谢祖彬 褚海燕
Key words：rare earths; lanthanum; red soil; hydrolytic enzyme activities;
Abstract: The effects of La on some hydrolytic enzyme activities in red soil were studied in incubation and pot culture experiments. In the incubation experiment, La slightly stimulates the activities of urease and acidic phosphatase in soil and strongly stimulates sucrase activity in soil. In the pot culture experiment, La stimulates the activities of urease, acidic phosphatase and sucrase to different degrees. The stimulative effects of rare earth elements (REE) on hydrolytic enzyme activities in soil may result in increasing yield of crops.
朱建国1，曾青1，李振高1，曹志洪1，林先贵1，谢祖彬1，褚海燕1
(1.Laboratory of Material Cycling in Pedosphere, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China)
Abstract:The effects of La on some hydrolytic enzyme activities in red soil were studied in incubation and pot culture experiments. In the incubation experiment, La slightly stimulates the activities of urease and acidic phosphatase in soil and strongly stimulates sucrase activity in soil. In the pot culture experiment, La stimulates the activities of urease, acidic phosphatase and sucrase to different degrees. The stimulative effects of rare earth elements (REE) on hydrolytic enzyme activities in soil may result in increasing yield of crops.
Key words:rare earths; lanthanum; red soil; hydrolytic enzyme activities;
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