|Table of Contents|

Effect of Different Fertilizing Treatments on the Content of Nitrate and Nitrite of Spinach(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年03期
Page:
166-168
Research Field:
Publishing date:

Info

Title:
Effect of Different Fertilizing Treatments on the Content of Nitrate and Nitrite of Spinach
Author(s):
LI Dian-bo1ZHENG He2LI Hai-dong2XIN Yan2LIAN Wei-ran1CAO Yun-yun1ZHANG Na1GUO Yang-dong1
1.College of Agriculture and Biotechnology,China Agricultural University,Beijing 100193;
2.Agricultural Institute of Haidian,Beijing 100080
Keywords:
spinachfertilizer applicationnitratenitritecontenteffect
PACS:
S 636.1
DOI:
-
Abstract:
Taking ‘Jingbo No.1’ spinach as material,the effect of different fertilizer treatments on nitrate and nitrite content of spinach were studied.The results showed that there were significant differences on nitrate content and nitrite content of spinach.The content of nitrate and nitrite were increased by the application of urea in a concentration-dependent way.With an identical N concentration,the content of nitrate and nitrite in the group applied with organic fertilizer were significantly lower than those of urea applied group.Other quality index results were not as good as the group applied with the urea,this might be due to slow release of organic fertilizer.Compared with the control,the content of nitrate and nitrite were increased in spinach,no matter applied with organic fertilizer or urea.In the case of proper application of organic fertilizer or urea,safe and high quality production of spinach could be achieved.

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Last Update: 2014-08-23