|Table of Contents|

Effect of Different Concentrations of Azotobacter chroococcum Beijerinck on Lettuce Growth(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年02
Page:
30-32
Research Field:
Publishing date:

Info

Title:
Effect of Different Concentrations of Azotobacter chroococcum Beijerinck on Lettuce Growth
Author(s):
SHEN Jun1; WU Yingxia1; YANG Fan2; JIANG Yihui1
（1.College of Horticulture and Landscape Architecture，Henan Institute of Science and Technology，Xinxiang，Henan 453003；2.Department of Microbiology，Xinxiang Medical College，Xinxiang，Henan 453003）
Keywords:
Azotobacter chroococcum Beijerinck; lettuce; growth; quality
PACS:
-
DOI:
10.11937/bfyy.201602008
Abstract:
In order to study the appropriate concentration of Azotobacter chroococcum Beijerinck，reduce the N fertilizer application and enhance the lettuce growth，the lettuce was irrigated by using the concentration gradient 200，300，400 and 500 times Azotobacter chroococcum Beijerinck and the water as control.The morphology index such as leaf number，leaf length，leaf width，stem thick，root length，root weight，yield etc.and the physiology index such as chlorophyll content，aminophenol content，total nitrogen content were measured.The results showed that the 300 times of Azotobacter chroococcum Beijerinck could contribute to the growth of lettuce reaching extremely significant level comparing with CK；and increased the content of chlorophyll and aminophenol reached extremely significant level comparing with CK；and decreased the N content of plant reached extremely significant level comparing with CK；and enhanced the N content of the substrate reached significant level comparing with CK.

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Last Update: 2016-03-16