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Effect of Organic-inorganic Fertilization Blended by Biogas Residue on the Growth and Quality of Pak-choi(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年22期
Page:
1-5
Research Field:
Publishing date:

Info

Title:
Effect of Organic-inorganic Fertilization Blended by Biogas Residue on the Growth and Quality of Pak-choi
Author(s):
DONG Zhi-xin1; LIU Fen-wu1; XU Zhen2; LIU Xiu-zhen1; ZHANG Wu-ping1; BU Yu-shan1
1.College of Resources and Environment，Shanxi Agricultural University，Taigu，Shanxi 030801；2.College of Resources and Environment，China Agricultural University，Beijing 100091
Keywords:
biogas residue; organic-inorganic fertilization; pak-choi; nitrate; reduced VC; chlorophyll; water soluble sugar
PACS:
S 141.9
DOI:
-
Abstract:
Using pak-choi（Brassica campestris L.ssp.Chinensis L.）as material，a pot experiment was conducted to study the effect of different biogas residue organic-inorganic fertilizations on the growth and quality of pak-choi.The results showed that fertilization promoted the growth of pak-choi and the yields of pak-choi increased by 20.9%-69.0%compared with control.The yields of pak-choi were the highest in the treatment of organic-inorganic fertilizations blended by pig manure biogas residue and were 352.28 g/pot and 349.33 g/pot respectively，followed by the treatments of organic-inorganic fertilizations blended by straw biogas residue.The treatments of biogas residues and commercial organic fertilizations were better than the treatments of inorganic fertilization and organic-inorganic fertilizations blended by biogas residues in reducing the nitrate content and increasing the contents of reduced VC and water-soluble sugar in pak-choi，and the treatments of organic-inorganic fertilizations blended by biogas residues were better than inorganic fertilization treatment.Compared with inorganic fertilization treatment，the treatments of organic-inorganic fertilizations blended by biogas residues reduced the nitrate contents of pak-choi by 7.8%-56.7%，increased the water soluble sugar contents by 13.1%-23.6%，and increased the reduced VC contents by 18.0%-38.2%．

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Last Update: 2014-12-10