Biochar and wheat straw affecting soil chemistry and microbial biomass carbon countrywide

Indicating how different sources of organic matter (OM) may affect the properties of a wide range of soil types, at varying soil moisture (SM), is of significance in the agricultural fields. A large dataset of soil samples (0–30 cm) was collected from different parts of Iran (21 different agricultur...

Full description

Saved in:
Bibliographic Details
Published in:Biomass conversion and biorefinery 2023-04, Vol.13 (6), p.5407-5417
Main Authors: Shokuhifar, Younes, Ghahsareh, Ahmad Mohammadi, Shahbazi, Karim, Tehrani, Mohammad Mehdi, Besharati, Hossein
Format: Article
Language:English
Subjects:
Biological properties
Biomass
Biotechnology
Carbon
Chemical properties
Energy
Microorganisms
Moisture effects
Organic carbon
Organic matter
Original Article
Renewable and Green Energy
Salinity
Soil chemistry
Soil moisture
Soil properties
Straw
Wheat
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Indicating how different sources of organic matter (OM) may affect the properties of a wide range of soil types, at varying soil moisture (SM), is of significance in the agricultural fields. A large dataset of soil samples (0–30 cm) was collected from different parts of Iran (21 different agricultural regions, with a wide range of physical, chemical, and biological properties) to determine the effects of OM and varying SM on soil chemical (pH, salinity, and organic carbon) and biological (microbial biomass carbon, MBC) properties. The collected soil samples were incubated (9-month period) with the experimental treatments including OM (control (M1), 2% wheat straw (WS) (M2), and 2% biochar (BI) (M3)), at different SM levels (0.2 field capacity, FC (V1), 0.7 variable FC (V2), 0.7 constant FC (V3), and saturated moisture (V4)). Wheat straw was pyrolyzed (at 500°C) to produce BI, and their chemical properties were determined. BI salinity (3.1 dS/m) was significantly higher than WS (2.8 dS/m). The organic treatments, especially BI, significantly increased soil OM and MBC compared with the control treatment. The two sources of organic fertilization increased soil pH, OM, and MBC, though such effects were functions of varying soil moisture (drying and rewetting cycles). Due to higher C percentage (61%), the effects of BI, significantly affected by soil moisture, were more pronounced on soil parameters. The tested sources of organic matter (WS and BI), acting as functions of soil moisture, can strongly affect soil chemical and biological properties and contribute to higher efficiency of agricultural fields.
ISSN:2190-6815
2190-6823
DOI:10.1007/s13399-021-01471-4