|Table of Contents|

Response Analysis of Soil Microbial Biomass and Nutrients to Years of Facility Agriculture

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2021年23
Page:
84-88
Research Field:
Publishing date:

Info

Title:
Response Analysis of Soil Microbial Biomass and Nutrients to Years of Facility Agriculture
Author(s):
YU Miao; FENG Jian; WANG Zhixue; WU Hongyan; CHI Jingliang
(Microbiology Microbial Research Institute of Liaoning Province,Chaoyang,Liaoning 122000)
Keywords:
planting years; soil microbial biomass; soil nutrients; correlation analysis
PACS:
-
DOI:
10.11937/bfyy.20212296
Abstract:
With the soil at a depth of 0-20 cm beneath the surface in tomato greenhouses of different planting years in Gongyingzi town,Kazuo county,Chaoyang city,Liaoning Province as the research object,the soils with 0,1,5,10,15 and 20 planting years were sampled respectively.Then,fumigation extraction method and conventional method were adopted to study the change of nutrients and microbial biomass in the surface oil greenhouses of different planting years.The results showed that with increased planting years,most nutrients and microbial biomass in soil were first increased and then declined with increased planting years in facility agriculture in Chaoyang.The soil microbial biomass carbon (SMBC) was first increased and then declined with a peak value at the 5th year which was 173% higher than that in the 1st year.The soil microbial biomass nitrogen (SMBN) was first declined and then increased with a peak value in the 20th year which was 391% higher than that in the 1st year.Soil microbial biomass nitrogen phosphorus (SMBP) was first declined and then increased abruptly before decline again with a peak value in the 10th year.In the agricultural facilities in Chaoyang,soil nutrients were heavily accumulated during planting.Therefore,the time node of 5-10 years should be seized for reasonable arrangement of farming.This study provides references for sustainable development of facility agriculture.

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Last Update: 2022-03-15