|Table of Contents|

Effect of Reduced Fertilization and Optimized Fertilization on Chinese Flowering Cabbage(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年14期
Page:
18-21
Research Field:
Publishing date:

Info

Title:
Effect of Reduced Fertilization and Optimized Fertilization on Chinese Flowering Cabbage
Author(s):
LI Yong-sheng1DU Jian-jun1ZHANG Wen-cheng2HUANG Jian-qing2XIAO Xiang-zheng1ZHONG Yi-zheng1
1.Center for Plant Nutrition and New Fertilizer,Zhongkai University of Agriculture and Engineering,Guangzhou,Guangdong 510225;
2.Zhaoqing Agricultural Science Research Institute,Zhaoqing,Guangdong 526070
Keywords:
Chinese flowering cabbagereduced fertilizationoptimized fertilizationfertilizer use efficiency
PACS:
S 634.3
DOI:
-
Abstract:
Field experiment was carried out on Chinese flowering cabbage with four treatments including no fertilizer,conventional fertilization,reduced fertilization and the optimized fertilization,and the related indexes such as yield and quality etc.were investigated,and then the economic benefit and fertilizer use efficiency were analyzed.The results indicated that the yield of the reduced fertilization and the optimized fertilization was equivalent to the treatment of the conventional fertilization,while the nutrients dosage was only 85.0% and 56.5%.Compared with the conventional fertilization,the revenue of the optimized fertilization treatment increased by 6.8%,However,the cost of fertilizer reduced by 59.9%,and the ratio of output to input was up to 13.4∶1,which improved by 168% than that of the conventional fertilization.In addition,compared with the conventional fertilization,the content of VC increased by 45.4% and the nitrate content reduced by 43.3% when using the optimized fertilization scheme.Meanwhile,the use efficiency of nitrogen,phosphate and potassium was raised by 58.9%,280.6% and 105.9%,respectively.The experiment proved that the optimized fertilization could improve the quality of Chinese flowering cabbage obviously and enhance the fertilizer use efficiency.

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Last Update: 2014-08-07