|Table of Contents|

Ameliorative Effects of Organic Material in Biochar Improving Biological Properties of Sandy Soil(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年23
Page:
141-146
Research Field:
Publishing date:

Info

Title:
Ameliorative Effects of Organic Material in Biochar Improving Biological Properties of Sandy Soil
Author(s):
HOU Jianwei1; SUO Quanyi2; LU Zhihong1; CHEN Fen1; ZHAO Yuanyuan1; AN Qingming1
1.Wujiang College,Tongren University,Tongren,Guizhou 554300；2.College of Grassland,Resources and Environment,Inner Mongolia Agricultural University,Hohhot,Inner Mongolia 010019
Keywords:
organic materials; biochar; sandy soil; biological properties; correlation
PACS:
-
DOI:
10.11937/bfyy.20171877
Abstract:
Biochar,Artemisia powder and sheep dung were selected as experiment material,with plant-free outdoor training simulation experiment method,the effect of organic material on sandy soil biological properties and explore synergistic action of organic material in biochar improving sandy soil.The results showed that the number of fungi was reduced,but content of microbial biomass C,N,number of bacteria and actinomyces were all significantly increased by adding different organic materials.Incremental performance for,biochar+sheep manure>biochar+Artemisia powder>biochar>sheep manure>Artemisia powder.They were increased by 2.8% and 1.9%,10.4% and 5.3%,5.7% and 46.2%,21.5% and 16.1%,biochar mixed with sheep manure or Artemisia powder than separate application accumulation,respectively.Urease activity was improved by 4.88%-53.13% and 8.33%-50.00%,respectively.Correlation analysis showed that pH was negatively related to the fungi number significantly (r=0.353*);increment of effective nutrients with each biological indexes exist certain positive correlation (r=0.188-0.889**).In short,biochar had a synergistic effect with organic material in terms of biological nature,on microbial biomass C,N content and microorganism quantity and urease activity especially.The number of fungi was significantly reduced by increasing pH;the improved biological properties had played a positive role in increasing available nutrients of sandy soil.

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Last Update: 2017-12-20