Agronomic and environmental performance of biochar amendment in alluvial soils under subtropical sugarcane production

Abstract This study investigated the amendment of sugarcane bagasse biochar (SCBB) on soil fertility, crop yield, and nutrient loss in two different‐textured soils under sugarcane (Saccharum spp.) production. Eleven megagrams per hectare of freshly incorporated biochar increased yield of plant cane...

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Autores principales:	Negar Tafti, Jim Wang, Lewis Gaston, Jong‐Hwan Park, Meng Wang, Scott Pensky
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	Agriculture S Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/094735847f614527999cf309ebae676f
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spelling	oai:doaj.org-article:094735847f614527999cf309ebae676f2021-11-24T11:36:04ZAgronomic and environmental performance of biochar amendment in alluvial soils under subtropical sugarcane production2639-669610.1002/agg2.20209https://doaj.org/article/094735847f614527999cf309ebae676f2021-01-01T00:00:00Zhttps://doi.org/10.1002/agg2.20209https://doaj.org/toc/2639-6696Abstract This study investigated the amendment of sugarcane bagasse biochar (SCBB) on soil fertility, crop yield, and nutrient loss in two different‐textured soils under sugarcane (Saccharum spp.) production. Eleven megagrams per hectare of freshly incorporated biochar increased yield of plant cane by 22% in light‐texture soil (LS) and 12% in heavy‐textured soil (HS). Although the overall yield of the ratoon crop was lower, the biochar treatment produced 20 and 14% higher yields than the control at the LS and HS sites, respectively. Biochar increased soil carbon (Csoil) across LS and HS sites by 15% and decreased the soil C/N ratio by 19%. Over the two growing seasons and sites, cumulative runoff volume, and loads of NO3––N, PO4–3–P, biological oxygen demand (BOD5), total organic C (TOC), and total suspended solids (TSS) were reduced by 33, 35, 39, 25, 24, and 54% with biochar. Calcium and K losses in runoff were also reduced by 43 and 24% with biochar. It reduced NH4+–N leaching in LS and HS soils over the two growing seasons by 33–167% and 66–81%, respectively, and reduced PO4–3–P leaching by 45–57% in HS over 2 yr. Although biochar is not considered a fertilizer, SCBB acted as a source of nutrients, increasing soil fertility and crop yield. It also reduced nutrient losses during heavy rain events typical of the subtropical climate of Louisiana.Negar TaftiJim WangLewis GastonJong‐Hwan ParkMeng WangScott PenskyWileyarticleAgricultureSEnvironmental sciencesGE1-350ENAgrosystems, Geosciences & Environment, Vol 4, Iss 3, Pp n/a-n/a (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Agriculture S Environmental sciences GE1-350
spellingShingle	Agriculture S Environmental sciences GE1-350 Negar Tafti Jim Wang Lewis Gaston Jong‐Hwan Park Meng Wang Scott Pensky Agronomic and environmental performance of biochar amendment in alluvial soils under subtropical sugarcane production
description	Abstract This study investigated the amendment of sugarcane bagasse biochar (SCBB) on soil fertility, crop yield, and nutrient loss in two different‐textured soils under sugarcane (Saccharum spp.) production. Eleven megagrams per hectare of freshly incorporated biochar increased yield of plant cane by 22% in light‐texture soil (LS) and 12% in heavy‐textured soil (HS). Although the overall yield of the ratoon crop was lower, the biochar treatment produced 20 and 14% higher yields than the control at the LS and HS sites, respectively. Biochar increased soil carbon (Csoil) across LS and HS sites by 15% and decreased the soil C/N ratio by 19%. Over the two growing seasons and sites, cumulative runoff volume, and loads of NO3––N, PO4–3–P, biological oxygen demand (BOD5), total organic C (TOC), and total suspended solids (TSS) were reduced by 33, 35, 39, 25, 24, and 54% with biochar. Calcium and K losses in runoff were also reduced by 43 and 24% with biochar. It reduced NH4+–N leaching in LS and HS soils over the two growing seasons by 33–167% and 66–81%, respectively, and reduced PO4–3–P leaching by 45–57% in HS over 2 yr. Although biochar is not considered a fertilizer, SCBB acted as a source of nutrients, increasing soil fertility and crop yield. It also reduced nutrient losses during heavy rain events typical of the subtropical climate of Louisiana.
format	article
author	Negar Tafti Jim Wang Lewis Gaston Jong‐Hwan Park Meng Wang Scott Pensky
author_facet	Negar Tafti Jim Wang Lewis Gaston Jong‐Hwan Park Meng Wang Scott Pensky
author_sort	Negar Tafti
title	Agronomic and environmental performance of biochar amendment in alluvial soils under subtropical sugarcane production
title_short	Agronomic and environmental performance of biochar amendment in alluvial soils under subtropical sugarcane production
title_full	Agronomic and environmental performance of biochar amendment in alluvial soils under subtropical sugarcane production
title_fullStr	Agronomic and environmental performance of biochar amendment in alluvial soils under subtropical sugarcane production
title_full_unstemmed	Agronomic and environmental performance of biochar amendment in alluvial soils under subtropical sugarcane production
title_sort	agronomic and environmental performance of biochar amendment in alluvial soils under subtropical sugarcane production
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/094735847f614527999cf309ebae676f
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Agronomic and environmental performance of biochar amendment in alluvial soils under subtropical sugarcane production

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