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Published online 07 November 2024

SR24044The impact of irrigation duration on crop N uptake, lint yield and internal NUE in cotton using standard urea

John Smith , Shu Fukai and Michael Bell

 

This research investigated the impact of irrigation duration on crop productivity and N performance indicators in southern NSW. Cotton was grown with varying rates of fertiliser N application interacting with different durations of furrow irrigation from first flower through to crop maturity. A partial N budget suggested that 48% of the available N to the crop could not be found in the plant or soil mineral N pools after harvest.

SR24044 Abstract  |  SR24044 Full Text  | SR24044PDF (983 KB)   Open Access Article

Published online 31 October 2024

SR24051Characterization of soil organic carbon at profile scale in two forest soils under pine and holm oak

A. P. Fernández-Getino García

 

Soil organic matter (SOM) is a key factor in the carbon cycle and climate change mitigation, but its distribution and characteristics in different forest ecosystems require more insights. This study compared the SOM profiles of two forest soils in Spain, using infrared spectroscopy and color measurements. Results showed that vegetation type, soil profile depth and other factors influence SOM content and quality while the color of humic substances reflected the degree of oxidation and stabilization of organic matter.

SR24051 Abstract  | PDF (2.8 MB) - $35.00 

Published online 24 October 2024

SR24011Influence of parent rock on soil clay mineralogy and physicochemical properties: a case study from the O’Higgins region, central Chile

Eduardo Navarro-Hasse, Ursula Kelm, Oscar Jerez, Carolina Yáñez and Alexander Neaman

 

The interplay of lithology and soil properties is closely linked with climatic variables, warranting investigations at a regional scale. The majority of existing studies on soil clay mineralogy did not include information on the mineralogy of the weathered parent rock, which hinders a comprehensive understanding of the effects of lithology on soil clay mineralogy. A comparison between the mineralogical composition of rock weathering rinds and soil clay fractions reveals a trend of chlorite degradation.

SR24011 Abstract  | PDF (1.4 MB) - $35.00   | SR24011Supplementary Material (906 KB)

Published online 04 October 2024

SR24008Extractant efficacy in assessing bioavailable phosphorus in tropical soils fertilised with alternative sources and cultivated with maize

Rodrigo Nogueira de Sousa and Luís Reynaldo Ferracciú Alleoni

 

It is important to accurately assess soil phosphorus levels in order to ensure optimal crop growth, particularly in tropical regions where phosphorus availability is limited. Our research findings indicate that the resin extraction method is a more effective approach than other methods for determining the available phosphorus content across a range of soil types and for diverse phosphate fertiliser sources. This development provides farmers and agronomists with enhanced resources to optimise fertiliser utilisation, thereby promoting enhanced crop yields and sustainable agricultural practices.

SR24008 Abstract  | PDF (4.5 MB) - $35.00   | SR24008Supplementary Material (715 KB)

Published online 26 September 2024

SR23071State and trend of surface soil organic carbon stocks and associated nutrients in Tongatapu, Kingdom of Tonga

U. Stockmann, M. Farrell , T. Carter, S. Krawitz, V. N. L. Wong , V. Minoneti, D. Finau, A. Sharma, J. Barringer, V. T. Manu, S. Karunaratne and B. C. T. Macdonald

 

The status and temporal trend in SOC stock is unknown in Tongatapu, the main island and agriculture hub of the Kingdom of Tonga. There was a decline in SOC over the last 20–30 years. Agricultural practices that are employed on Tongatapu have caused the decline of SOC stocks and threaten soil security.

SR23071 Abstract  |  SR23071 Full Text  | SR23071PDF (1.6 MB)   Open Access Article

Published online 13 September 2024

SR24050Gypsum form and rate can affect soil physicochemical properties and crop productivity in soils of low electrical conductivity that have been enriched by sodium due to supplementary irrigation

Walter D. Carciochi , Justo Chevallier Boutell, Gisela V. García, Natalia V. Diovisalvi, Nicolas Wyngaard, Adrián Lapaz Olveira and Nahuel I. Reussi Calvo

 

Sodium accumulation in soil due to supplementary irrigation can detrimentally impact its physical and chemical properties under low electrical conductivity, leading to reduced crop productivity. Our observations indicated that gypsum applied in powdered form and at high rates (3000 kg ha⁻¹), effectively improved soil chemical conditions and enhanced grain yield in sodium-affected soils. Sodium-induced crop production constraints can be addressed in the short-term by utilising powdered gypsum.

SR24050 Abstract  | PDF (4.1 MB) - $35.00   | SR24050Supplementary Material (778 KB)

Published online 30 August 2024

SR24078Analysis of soil erosion dynamics and its driving factors in the Qilian Mountains of Qingdong

Mingyuan Li , Xiaohuang Liu, Jianli Ding, Wenbo Zhang, Ran Wang, Xinping Luo, Liyuan Xing, Chao Wang and Honghui Zhao

 

This paper explores the extent of soil erosion and the main driving factors behind soil erosion in the alpine temperate forest-grass subregion of Qilian Mountains in Qingdong by using the Universal Soil Loss Model (RUSLE) and Geographical detector, which can provide some scientific support for soil erosion management and governmental decision-making in the study area.

SR24078 Abstract  |  SR24078 Full Text  | SR24078PDF (2.8 MB)   Open Access Article

Published online 23 August 2024

SR23203Modified fungal diversity in dense clay subsoils after deep-banding organic substrate

Joshua J. Vido, Jian Jin, Helen L. Hayden, Corinne Celestina , Peter W. G. Sale, Roger Armstrong, Caixian Tang, Jennifer L. Wood and Ashley E. Franks

 

Amid the increasing focus on sustainable agriculture and improving crop productivity, our study aims to underscore the importance of microbial community examinations for gaining a deeper comprehension of soil management dynamics. We established that applying deep-banded organic amendments can successfully enrich agriculturally significant soil fungi for an extended duration following a single application within a hostile subsoil. Our results emphasise the legacy effects this management approach has on fungal community diversity, persisting even after the amendments are no longer detectable.

SR23203 Abstract  |  SR23203 Full Text  | SR23203PDF (814 KB)   Open Access Article

Published online 13 August 2024

SR24049Effects of wetting and drying alternation on the shear properties of root-loess composites

Ruihan Jiang, Peng Zhan, Chaobo Zhang and Jing Jiang

 

Wetting and drying alternation (WD) on the mechanical properties of root-soil composites is not clear at present, or if roots can inhibit the deterioration of soil under WD. This paper investigated the effect of WD on the shear strength of root-loess composites. WD was found to deteriorate soil shear strength and cohesion, while roots inhibited the deterioration of WD on the shear property of loess. The results provide a scientific basis for ecological construction in loess areas.

SR24049 Abstract  | PDF (838 KB) - $35.00 

Published online 12 August 2024

SR23216Spatial and temporal distribution and environmental determinants of freeze-thaw erosion intensity in Qiangtang grasslands, China

Gaobo Zhang , Xiaohuang Liu, Jinjie Wang, Jiufen Liu, Xiaofeng Zhao, Hongyu Li, Ran Wang, Xinping Luo, Liyuan Xing, Chao Wang and Honghui Zhao

 

This study uses geographical detectors and the analytic hierarchy process to analyse the spatial and temporal distribution of freeze-thaw erosion in the Qiangtang Plateau grassland area of northern Tibet from 2000 to 2019. The results show that freeze-thaw erosion is more serious during the non-growing seasonthan the growing season. The spatial distribution of freeze-thaw erosion is mainly affected by changes in annual precipitation and temperature, and secondly by vegetation coverage. This research contributes to the management of climate change.

SR23216 Abstract  |  SR23216 Full Text  | SR23216PDF (5.4 MB)   Open Access Article

Published online 08 August 2024

SR23177Spatial variability of mineral surface area and carbon sequestration potential at the farm scale – a case study

Sam McNally , Joanna Sharp, Peter Jaksons, Craig Tregurtha, Mike Beare and Robyn White

 

Soils can increase in carbon and mitigate greenhouse gas emissions. This study assessed the potential of soils to increase in soil carbon at the farm scale. Soil type and mineral surface area were the main drivers for differences in the carbon sequestration potential at the farm scale. An understanding of the distribution of this potential at the farm scale could allow for targeted management practices to increase SOC.

SR23177 Abstract  |  SR23177 Full Text  | SR23177PDF (2.7 MB)   Open Access Article

Published online 08 August 2024

SR24010Availability of phosphorus and nitrogen from modified mono-ammonium phosphate (MAP) fertiliser compounds

Jonathan W. McLachlan , Peter W. English, Richard J. Flavel and Chris N. Guppy

 

Formation of lower solubility ammonium salts may be a simple and cost-effective way to slow the release of nitrogen from fertiliser. Several modified mono-ammonium phosphate (MAP) fertiliser compounds were prepared by adding magnesium silicate to regular MAP fertiliser and reconstituting the granules. Shoot yields were lower when barley (Hordeum vulgare) plants were grown with the modified MAP fertiliser compounds compared to standard MAP fertiliser. This reduced growth was likely due to decreased nitrogen availability through a slower release of nitrogen.

SR24010 Abstract  |  SR24010 Full Text  | SR24010PDF (376 KB)   Open Access Article

Published online 08 August 2024

SR23045Soil capacity to biomass production in sandy loam soils following cover crop farming systems in tropical conditions in the Northeast region of Brazil

Gislaine dos Santos Nascimento, Tancredo Souza , Lucas Jónatan Rodrigues da Silva and Djail Santos

 

Soil quality (SQ) sheds light on soil health and its capacity to sustain food and fibre production. It can assist decision-making in farming systems by integrating plant production into soil management planning. However, the use of cover crops can influence the SQ. For development of SQ models, the current study focussed on the monocropping system of cover crops. The main aim of this study was to assess the influence of cover crops on soil chemical properties, SQ, and its decay rate.

SR23045 Abstract  | PDF (2.3 MB) - $35.00   | SR23045Supplementary Material (899 KB)

Published online 30 July 2024

SR24004An experiential account with recommendations for the design, installation, operation and maintenance of a farm-scale soil moisture sensing and mapping system

Brendan Malone , David Biggins, Chris Sharman, Ross Searle , Mark Glover and Stuart Brown

 

Soil moisture sensing enables precision capability to manage crop productivity. We designed and implemented a spatial, vertical and temporal model for mapping soil moisture at the farm level. Upscaling data from soil probes to the farm level provides better insights about fluxes of soil moisture. Our on-farm soil moisture monitoring system is modular, with each component that can be readily updated and improved. Soil moisture monitoring networks cannot be set-and-forget systems, but require longer term planning and monitoring.

SR24004 Abstract  |  SR24004 Full Text  | SR24004PDF (6.5 MB)   Open Access Article

Published online 23 July 2024

SR22075Sheep rotational grazing strategy to improve soil organic carbon and reduce carbon dioxide emission from spring wheat in an arid region

Irshad Ahmad , Lina Shi, Shanning Lou, Jiao Ning, Yarong Guo, Muhammad Kamran, Wanhe Zhu and Fujiang Hou

 

Sheep rotational grazing is an important strategy to reduce carbon dioxide emission and improve soil organic carbon storage of spring wheat fields in an arid region.

SR22075 Abstract  |  SR22075 Full Text  | SR22075PDF (1.3 MB)

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Just Accepted

These articles have been peer reviewed and accepted for publication. They are still in production and have not been edited, so may differ from the final published form.

SR24002, Accepted 11 August 2024

Identification method of dike contact seepage hidden danger based on saturation line characteristics

Quanyi Xie, Hongzheng Luo, Zhanhua Li, YUSEN WANG , Gaohang Lv, Peizhi Zhuang, Lizhuang Cui and Jian Liu

 

SR24002Abstract

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1. Revised emission factors for estimating direct nitrous oxide emissions from nitrogen inputs in Australia’s agricultural production systems: a meta-analysis

   Soil Research 62 (1)

   Peter Grace , Daniele De Rosa , Iurii Shcherbak, Alice Strazzabosco , David Rowlings , Clemens Scheer , Louise Barton , Weijin Wang, Graeme Schwenke , Roger Armstrong , Ian Porter, Michael Bell

2. State and trend of surface soil organic carbon stocks and associated nutrients in Tongatapu, Kingdom of Tonga

   Soil Research 62 (7)

   U. Stockmann, M. Farrell , T. Carter, S. Krawitz, V. N. L. Wong , V. Minoneti, D. Finau, A. Sharma, J. Barringer, V. T. Manu, S. Karunaratne , B. C. T. Macdonald

3. Sunlight can have a stronger influence than air temperature on soil solarisation: observational evidence from Australia

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   Maximilian McQuillan , Ronald J. Smernik, Ren Ryba

4. Organic amendments improved soil properties and native plants’ performance in an Australian degraded land

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   Jonas Larsen, Mehran Rezaei Rashti , Maryam Esfandbod, Chengrong Chen

5. Redesigning the soil Tea Bag Index methodology for school and citizen science in Australia

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   Wartini Ng , Alex B. McBratney , Vanessa Pino , Eugenia O’Brien, Bendrik Baumeister

6. Analysis of soil erosion dynamics and its driving factors in the Qilian Mountains of Qingdong

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   Mingyuan Li , Xiaohuang Liu, Jianli Ding, Wenbo Zhang, Ran Wang, Xinping Luo, Liyuan Xing, Chao Wang, Honghui Zhao

7. The impact of irrigation duration on crop N uptake, lint yield and internal NUE in cotton using standard urea

   Soil Research 62 (7)

   John Smith , Shu Fukai, Michael Bell

8. Spatial and temporal distribution and environmental determinants of freeze-thaw erosion intensity in Qiangtang grasslands, China

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   Gaobo Zhang , Xiaohuang Liu, Jinjie Wang, Jiufen Liu, Xiaofeng Zhao, Hongyu Li, Ran Wang, Xinping Luo, Liyuan Xing, Chao Wang, Honghui Zhao

9. The effect of grazing management and legumes on soil organic carbon stocks in pastoral systems relevant to the Australian Carbon Credit Unit Scheme: a critical review

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   Alice Debney, Lisa Lobry de Bruyn

10. An experiential account with recommendations for the design, installation, operation and maintenance of a farm-scale soil moisture sensing and mapping system

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11. Modified fungal diversity in dense clay subsoils after deep-banding organic substrate

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    Joshua J. Vido, Jian Jin, Helen L. Hayden, Corinne Celestina , Peter W. G. Sale, Roger Armstrong, Caixian Tang, Jennifer L. Wood , Ashley E. Franks

12. Proximal and remote sensing – what makes the best farm digital soil maps?

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13. Estimating the attainable soil organic carbon deficit in the soil fine fraction to inform feasible storage targets and de-risk carbon farming decisions

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14. Nitrogen and phosphorus leaching losses under cropping and zone-specific variable-rate irrigation

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    John J. Drewry , Carolyn B. Hedley , Stephen J. McNeill, Ahmed G. El-Naggar , Kishor K. Karakkattu, David J. Horne

15. Sheep rotational grazing strategy to improve soil organic carbon and reduce carbon dioxide emission from spring wheat in an arid region

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    Irshad Ahmad , Lina Shi, Shanning Lou, Jiao Ning, Yarong Guo, Muhammad Kamran, Wanhe Zhu, Fujiang Hou

16. Impact of green manure crop species on rhizosphere soil phosphorus

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    P. V. Nguyen , R. W. McDowell , L. M. Condron

17. Availability of phosphorus and nitrogen from modified mono-ammonium phosphate (MAP) fertiliser compounds

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18. Spatial variability of mineral surface area and carbon sequestration potential at the farm scale – a case study

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20. Estimating surrogates, utility graphs and indicator sets for soil capacity and security assessments using legacy data

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