|Table of Contents|

Effects of Bio-organic Fertilizer on Enzyme Activity and Soil Bacterial Community in Asparagus Cultivated Soil

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年12
Page:
83-91
Research Field:
Publishing date:

Info

Title:
Effects of Bio-organic Fertilizer on Enzyme Activity and Soil Bacterial Community in Asparagus Cultivated Soil
Author(s):
ZHANG Yuchong; HE Sibei; GAO Linghui; REN Yao; CHEN Shunde; HE Bing
(College of Life Sciences，Sichuan Normal University，Chengdu,Sichuan 610101)
Keywords:
bio-organic fertilizer; bacterial diversity; enzyme activity; soil fertility
PACS:
-
DOI:
10.11937/bfyy.20190022
Abstract:
Asparagus planting soil was the test material and the experiment was a completely randomized controlled study.We mixed 4 strains (Bacillus megaterium，Bacillus subtilis，Bacillus coagulans and Pseudomonas fluorescens) and wormcast to manufacture bio-organic fertilizer.The study investigated the effects of different bio-organic fertilization amount on soil fertility factors and soil bacterial community structure.The experiment consisted of 4 bio-organic fertilizer treatments (A，B，C，D)，1 compound fertilizer (E)，and no fertilization (CK).The results showed that the enzyme activities of urease and cellulase in the soil treated with 800 g?m-2 bio-organic fertilizer treatment for 90 days increased the most，the activity of sucrase and catalase increased the most in the 600 g?m-2 bio-organic fertilizer treatment and 800 g?m-2 bio-organic fertilizer treatment had the best bacterial diversity in all stages through the PCR-DGGE results.The Shannon-Wiener index increased by 26.05% and 93.87% with respect to CK and compound fertilizer treatment at 90 days，respectively.And the Margalef′s index increased by 24.92% and 56.99%，respectively.The Bacillus megaterium and Bacillus subtilis content increased and the harmful bacteria decreased after used bio-organic fertilizer.The soil fertility indicators showed that the 600 g?m-2 bio-organic fertilizer treatment significantly affected soil total nitrogen，available phosphorus and available potassium，which were 6.34%，37.31% and 70.49% higher than those of the compound fertilizer treatment，respectively.And the 800 g?m-2 treatment significantly affected soil total phosphorus，total potassium and organic matter，which were 1.43%，5.82% and 18.82% higher than those of the compound fertilizer treatment，respectively.Bio-organic fertilizer could increase the content of functionally beneficial bacteria，increase the diversity and richness of soil bacterial community，thus enhance soil enzyme activity and soil fertility.

References:

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Last Update: 2019-07-17