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Biochar Improves Soil Aggregate Stability and Water Availability in a Mollisol after Three Years of Field Application

A field experiment was carried out to evaluate the effect of organic amendments on soil organic carbon, total nitrogen, bulk density, aggregate stability, field capacity and plant available water in a representative Chinese Mollisol. Four treatments were as follows: no fertilization (CK), applicatio...

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Autores principales: Ma, Ningning, Zhang, Lili, Zhang, Yulan, Yang, Lijie, Yu, Chunxiao, Yin, Guanghua, Doane, Timothy A., Wu, Zhijie, Zhu, Ping, Ma, Xingzhu
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4871556/
https://www.ncbi.nlm.nih.gov/pubmed/27191160
http://dx.doi.org/10.1371/journal.pone.0154091
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author Ma, Ningning
Zhang, Lili
Zhang, Yulan
Yang, Lijie
Yu, Chunxiao
Yin, Guanghua
Doane, Timothy A.
Wu, Zhijie
Zhu, Ping
Ma, Xingzhu
author_facet Ma, Ningning
Zhang, Lili
Zhang, Yulan
Yang, Lijie
Yu, Chunxiao
Yin, Guanghua
Doane, Timothy A.
Wu, Zhijie
Zhu, Ping
Ma, Xingzhu
author_sort Ma, Ningning
collection PubMed
description A field experiment was carried out to evaluate the effect of organic amendments on soil organic carbon, total nitrogen, bulk density, aggregate stability, field capacity and plant available water in a representative Chinese Mollisol. Four treatments were as follows: no fertilization (CK), application of inorganic fertilizer (NPK), combined application of inorganic fertilizer with maize straw (NPK+S) and addition of biochar with inorganic fertilizer (NPK+B). Our results showed that after three consecutive years of application, the values of soil bulk density were significantly lower in both organic amendment-treated plots than in unamended (CK and NPK) plots. Compared with NPK, NPK+B more effectively increased the contents of soil organic carbon, improved the relative proportion of soil macro-aggregates and mean weight diameter, and enhanced field capacity as well as plant available water. Organic amendments had no obvious effect on soil C/N ratio or wilting coefficient. The results of linear regression indicated that the improvement in soil water retention could be attributed to the increases in soil organic carbon and aggregate stability.
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spelling pubmed-48715562016-05-31 Biochar Improves Soil Aggregate Stability and Water Availability in a Mollisol after Three Years of Field Application Ma, Ningning Zhang, Lili Zhang, Yulan Yang, Lijie Yu, Chunxiao Yin, Guanghua Doane, Timothy A. Wu, Zhijie Zhu, Ping Ma, Xingzhu PLoS One Research Article A field experiment was carried out to evaluate the effect of organic amendments on soil organic carbon, total nitrogen, bulk density, aggregate stability, field capacity and plant available water in a representative Chinese Mollisol. Four treatments were as follows: no fertilization (CK), application of inorganic fertilizer (NPK), combined application of inorganic fertilizer with maize straw (NPK+S) and addition of biochar with inorganic fertilizer (NPK+B). Our results showed that after three consecutive years of application, the values of soil bulk density were significantly lower in both organic amendment-treated plots than in unamended (CK and NPK) plots. Compared with NPK, NPK+B more effectively increased the contents of soil organic carbon, improved the relative proportion of soil macro-aggregates and mean weight diameter, and enhanced field capacity as well as plant available water. Organic amendments had no obvious effect on soil C/N ratio or wilting coefficient. The results of linear regression indicated that the improvement in soil water retention could be attributed to the increases in soil organic carbon and aggregate stability. Public Library of Science 2016-05-18 /pmc/articles/PMC4871556/ /pubmed/27191160 http://dx.doi.org/10.1371/journal.pone.0154091 Text en © 2016 Ma et al http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Ma, Ningning
Zhang, Lili
Zhang, Yulan
Yang, Lijie
Yu, Chunxiao
Yin, Guanghua
Doane, Timothy A.
Wu, Zhijie
Zhu, Ping
Ma, Xingzhu
Biochar Improves Soil Aggregate Stability and Water Availability in a Mollisol after Three Years of Field Application
title Biochar Improves Soil Aggregate Stability and Water Availability in a Mollisol after Three Years of Field Application
title_full Biochar Improves Soil Aggregate Stability and Water Availability in a Mollisol after Three Years of Field Application
title_fullStr Biochar Improves Soil Aggregate Stability and Water Availability in a Mollisol after Three Years of Field Application
title_full_unstemmed Biochar Improves Soil Aggregate Stability and Water Availability in a Mollisol after Three Years of Field Application
title_short Biochar Improves Soil Aggregate Stability and Water Availability in a Mollisol after Three Years of Field Application
title_sort biochar improves soil aggregate stability and water availability in a mollisol after three years of field application
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4871556/
https://www.ncbi.nlm.nih.gov/pubmed/27191160
http://dx.doi.org/10.1371/journal.pone.0154091
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