6种矿质元素对青菜中硝酸盐含量的影响

Abstract

Abstract: Effects of sodium borate,potassium sulfate,manganese sulfate,magnesium sulfate,zinc sulfate and cobalt sulfate on nitrate contents in vegetable have been studied by pot experiment with Brassica chinensis .The results showed that nitrate contents in Brassica chinensis decreased by 14.84%-19.56% after application of sodium borate for 20 days,and also decreased significantly by using K、Mn、Mg、Zn and Co.Nitrate content decreased by 18.96% 10 days after application of zinc sulfate and by 21.42% 20 days after application of potassium sulfate.Application rate of the mineral elements showed significant effects on the accumulation of nitrate in Brassica chinensis .

Key words: vegetable, nitrate, fertilizer, mineral element, Brassica chinensis

CLC Number:

X173

LI Xue-De, YUE Yong-De, HUA Ri-Mao, LI Shao-Heng, FANG Ling, LIU Jin-Shi. Effects of 6 mineral elements on nitrate content in Brassica chinensis[J]. Journal of Ecology and Rural Environment, 2003, 19(3): 42-44,48.

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Effects of 6 mineral elements on nitrate content in Brassica chinensis

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