Knowledge for better food systems

Showing results for: Soils

Image: Brian Boucheron, Fairyland Mesclun Mixed, Flickr, Creative Commons Attribution 2.0 Generic
19 March 2018

The Carbon Underground, Green America and various food industry partners are developing a new standard for regenerative agriculture. It is claimed that the standard will encourage farmers to restore soil and improve crop resilience and nutrient density.

Image: USDA, k9515-1, flickr, Creative Commons Attribution 2.0 Generic
19 March 2018

In this paper, researchers from the Joint Research Centre of the European Commission investigate the extent to which variation in nitrous oxide (N2O) emissions may offset or enhance the mitigation effects of carbon sequestration in arable European soils. They employ a biogeochemical model with input data from ~8000 soil sampling locations to quantify CO2 and N2O flux associated with different agricultural practices aimed at carbon (C) mitigation.

26 February 2018

Scotland’s soils contain over half of the UK’s soil carbon stock, making it important to know how to avoid soil carbon loss. The Scottish landscape is currently a net sink for carbon (mainly due to forestry). A recent report assesses current knowledge on soil carbon and land use in Scotland.

20 February 2018

This report from the International Centre for Tropical Agriculture (CIAT) considers the relationships between land use, land degradation and sustainable development goals.

Photo: Raúl Hernández González, Flickr, Creative Commons License 2.0
8 January 2018

This article presents the results from a new global soil erosion model, based on a combination of remote sensing, GIS modelling and census data. It finds that accelerated soil erosion due to land use change between 2001 and 2012 is a major threat to soil and future agriculture but that previous commonly used estimates of annual global soil erosion were twice too high. In comparison with previous studies which had a mapping resolution of around 10–60 km cell size, this model with its high-resolution 250m cell size has far greater predictive power than any previous model. 

Photo: Matthias Ripp, Agriculture, Flickr, CC by 2.0
13 November 2017

This paper, by researchers from the US and the Netherlands, presents the findings of a model analysis that estimates how much soil organic carbon (SOC) has been lost, and from where, as a result of land use and land cover change (LU-LCC) associated with human agricultural activities.

30 October 2017

The United Nations Convention to Combat Desertification (UNCCD) has published its first edition of the Global Land Outlook (GLO), addressing future challenges and opportunities for the management and restoration of land resources in the context of sustainable development.

6 September 2017

Breakthrough Strategies & Solutions has released a report based on their conference ‘Sequestering Carbon in Soil:  Addressing the Climate Threat’ held in May 2017. 

29 August 2017

This book contains six chapters on food security and sustainability in the Middle East. The book can be purchased in its entirety or by chapter online.

Photo: United Soybean Board, Soil, Flickr, Creative Commons License 2.0
13 July 2017

In this short perspective piece, researchers from the Netherlands, USA and the UK critically assess the COP21 4 per 1000 initiative, which seeks to increase global yearly agricultural soil organic carbon sequestration by 4‰ (= 0.4%, or 1.2 billion tonnes). The authors argue that as soil organic matter (SOM) also contains nitrogen (N), with a C-to-N ratio always approaching 12, this will require the sequestration of an extra 100 million tonnes of N per year, and they question the feasibility of achieving this. 

Photo: Jason Jacobs, “Fields of green”, Flickr, Creative commons licence 2.0
21 June 2017

This paper discusses EU climate and agriculture policy instruments and analyses how these can motivate farmers to adopt soil carbon sequestration projects. 

8 May 2017

What is the latest science on soil's ability to pull carbon pollution out of the atmosphere? Breakthrough Strategies hosted a webinar on April 24 on the Technical Potential of Soil Carbon Sequestration. It featured three of the world’s leading experts on strategies for drawing carbon pollution out of the atmosphere and storing it in soils: Keith Paustian, Jean-François Soussana, and Eric Toensmeier.

Photo: Gralbeard, TomatoesRootSystem1-SouthGardenBed, Flickr, Creative Commons License 2.0 generic.
8 May 2017

This research brings together data from 389 field trials to determine how the root and shoot biomass, and carbon (C) stocks of major crops correlate to soil C in different environmental conditions. The analysis found all crops allocated more C to their shoots than roots. The greatest C allocation to roots was in grasses (which also had the highest plant biomass production).

Photo: Erik Edgren, Root, Flickr, Creative Commons License 2.0 generic.
4 April 2017

In this post in the Conversation, crop scientist Matthew Wallenstein, Associate Professor and Director at the Innovation Center for Sustainable Agriculture, Colorado State University, discusses the potential of natural microbes to improve agriculture and make it more sustainable.