Journal of Food, Agriculture and Environment
Vol 12,
Issue 1,2014
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Effect of different amount of N-fertilizers on growth, root yield and nitrate content of white radishes in Southern China
Author(s):
Wei-ling Yuan 1,
Shang-yong Yuan 2, Qing-fang Wang 1*, Cai-xia Gan 1, Yu-hua Liu 3, Shi-yong Mei 1*Recieved Date: 2013-11-26, Accepted Date: 2014-01-21
Abstract:Efficient N-fertilizer management can decrease production costs and reduce the risk of environmental pollution. Field experiments were conducted to study the effects of different amount of N-fertilizers on growth, yield and nitrogen content of white radishes (Raphanus sativus L.) in Southern China. The N-fertilizers at the rates of 0, 60, 120, 180, 240 kg ha-1 were applied under the field conditions. There was no significant difference in the number of leaves per radish plant. The highest root diameter, length and root weight were observed from the treatment of 240 kg N ha-1. Total nitrogen and nitrate content of the fresh roots increased with the increasing the nitrogen doses. Excess nitrate content was observed with the increase in N application rate up to 120 kg N ha-1 at each site. Therefore, in integrating root yield and the nitrate accumulation, it is advisable to set the optimal N application rate at 120 kg N ha-1 for the crop production and quality of radish.
Keywords:N-fertilizers,
root yield, nitrate content, radishJournal: Journal of Food, Agriculture and Environment
Year: 2014
Volume: 12
Issue: 1
Category: Agriculture
Pages: 302-304
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