|Table of Contents|

Study on Fertilzer Effect of the Slow Release Nitrogenous Fertilizer on  Radish in Dry Sand on the Bashang Plateau(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年14期
Page:
177-180
Research Field:
Publishing date:

Info

Title:
Study on Fertilzer Effect of the Slow Release Nitrogenous Fertilizer on  Radish in Dry Sand on the Bashang Plateau
Author(s):
LU Yang1; LIU Shu-qing1; 2; 3; WANG Xiang-feng4; CAO Yin-zhu1; XUE Zhan-jun5
1.College of Resource and Environment,Hebei Agricultural University,Baoding,Hebei 071001；2.Hongjie Di Soil and Environment Laboratory,Hebei Agricultural University,Baoding,Hebei 071001；3.Key Laboratory of Farmland Ecological and Environment,Baoding,Hebei 071001；
4.Hengshui Environmental Monitoring Station,Hengshui,Hebei 053000;
5.College of Horticulture,Hebei Agricultural University,Baoding,Hebei 071001
Keywords:
slow release nitrogenous fertilizer; fertilizer effect; economic benefit; Bashang plateau
PACS:
S 143.1+5
DOI:
-
Abstract:
Taking the northwest Bashang drought thin sandcrop system as object,the application effects of slow release fertilizer made by ourselves in northwest Bashang drought thin sand and crop system were studied through the analysis of the radish yield,nitrogen use efficiency,nitrate content and economic benefit.The results showed that nitrogen utilization rate gradually reduced with the increase of the amount of nitrogen while nitrogen utilization rate of slow release nitrogen fertilizer increased 4%~11% than ordinary urea.The slow release nitrogen fertilizer improved the radish production obviously,increasing by 1.98%~8.19% and net income increased by 0.97%~7.69% compared with the application of equal nitrogen in urea treatment.It had highly significant positive correlation between nitrate content of radish and the amount of nitrogen applied.In conclusion slow release fertilizer had evident promoting effects in improving nitrogen utilization rate in soils,increasing production,reducing nitrate accumulation in radish and economic improvement in northwest Bashang drought thin sands.

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Last Update: 2014-08-11