Ameliorating alkaline dispersive subsoils with organic amendments: Are productivity responses due to nutrition or improved soil structure?

Shihab Uddin; Stephanie Watts Williams; Naveed Aslam; Yunying Fang; Shahnaj Parvin; Josh Rust; Lukas Van Zwieten; Roger Armstrong; Ehsan Tavakkoli

doi:10.1007/s11104-022-05569-0

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Ameliorating alkaline dispersive subsoils with organic amendments: Are productivity responses due to nutrition or improved soil structure?

Journal article

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Ameliorating alkaline dispersive subsoils with organic amendments: Are productivity responses due to nutrition or improved soil structure?

Shihab Uddin, Stephanie Watts Williams, Naveed Aslam, Yunying Fang, Shahnaj Parvin, Josh Rust, Lukas Van Zwieten, Roger Armstrong and Ehsan Tavakkoli

Plant and Soil, Vol.480(1-2), pp.227-244

11/2022

DOI: https://doi.org/10.1007/s11104-022-05569-0

Appears in Recent Faculty of Science and Engineering Publications

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Abstract

Agronomy

Biological sciences

Environmental sciences

Life Sciences & Biomedicine

Plant Sciences

Science & Technology

Soil Science

Sodicity

Soil structural stability

Root proliferation

Zeta potential

Water use efficiency

Alkaline dispersive subsoils are characterised by multiple physicochemical constraints that limit plant water and nutrient acquisition. Subsoil amelioration through organic amendments (OAs) requires significant financial investment. Whereas large yield responses can result following amelioration, sometimes small or even negative yield responses can occur, resulting in a significant net financial loss for the farmer. For farmers to feel confident in investing in subsoil amelioration better prediction of the likely yield improvement is required and to achieve this an understanding of the underlying mechanisms such as nutritional and non-nutritional drivers, and the longevity of benefits are required. Our study aimed to ascertain the drivers of yield improvements from subsoil amelioration with OAs.

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Title: Ameliorating alkaline dispersive subsoils with organic amendments: Are productivity responses due to nutrition or improved soil structure?
Creators: Shihab Uddin - NSW Department of Primary Industries
Stephanie Watts Williams - University of Adelaide
Naveed Aslam - NSW Department of Primary Industries
Yunying Fang - NSW Department of Primary Industries
Shahnaj Parvin - Southern Cross University
Josh Rust - NSW Department of Primary Industries
Lukas Van Zwieten - NSW Department of Primary Industries
Roger Armstrong - La Trobe University
Ehsan Tavakkoli - NSW Department of Primary Industries
Publication Details: Plant and Soil, Vol.480(1-2), pp.227-244
Publisher: Springer
Grant note: This research was supported by Grains Research and Development Corporation in Australia (project number: DAV00149). Open Access funding enabled and organized by CAUL and its Member Institutions
Identifiers: 991013054810602368
Copyright: Open Access: This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
Academic Unit: Faculty of Science and Engineering; Science
Language: English
Resource Type: Journal article

Ameliorating alkaline dispersive subsoils with organic amendments: Are productivity responses due to nutrition or improved soil structure?

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