Effect of Different Nitrogen Fertilizer Treatments on Yield and Quality of Greenhouse Kidney Bean(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2014年13期

Page:

176-180

Research Field:

Publishing date:

Info

Title:

Effect of Different Nitrogen Fertilizer Treatments on Yield and Quality of Greenhouse Kidney Bean

Author(s):

YANG Qi¹; 2; MA Mao-ting²; ZHAO Li-ping²; AN Zhi-zhuang²; ZHAO Tong-ke²

1.Plant Science and Technology College，Beijing University of Agriculture，Beijing 102206;

2.Institute of Plant Nutrition and Resources，Beijing Academy of Agriculture and Forestry Sciences，Beijing 100097

Keywords:

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PACS:

S 643.1

DOI:

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Abstract:

Field plot experiment in cool climate was conducted to study the effect of slow-release nitrogen fertilizer (SLNF)and common urea(CU) on the yield and quality indicators of early，middle and later growing period of kidney bean(Phaseolus vulgaris L.).Results showed that compared with the local conventional fertilization，the yields of kidney bean treated by 150，240 kg/hm² SLNF and 450 kg/hm² CU increased by 10.42%，8.57% and 14.11%，respectively，and there were no significant differences among them.During growing period of kidney bean，the quality indicators showed different changing trends.The nitrate contents of the kidney bean in all treatments significantly increased，compared with the early stage，the highest increasing were in the treatments of 150，240 kg/hm² SLNF and 450 kg/hm² CU at late stage，and there were no significant differences among them；the vitamin C contents significantly increased，which were generally higher in the treatments of 150 kg/hm² SLNF and 450 kg/hm² than the others’；the soluble sugar contents significantly decreased，in general，which were higher in the treatments of 150，240 kg/hm² SLNF and 450 kg/hm² CU than the others’；protein content significantly increased at the middle stage，and decreased at the late stage，there were no significant differences among all treatments at the middle and late stages.In conclusion，low-level SLNF application had a good effect on maintaining stable yield and quality of kidney bean，In the meantime，it also could reduce the input of nitrogen fertilizer.

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