Soils & Fertility Publications

163 Publications

Soil Testing: A Guide for Farms with Diverse Vegetable Crops

Collins, D. 2012. Washington State University Extension. EM050E.

Reduced Tillage on Organic Farms Virtual Field Day

WSU researchers and extension educators are researching different methods for reducing tillage in organic vegetable production. This video demonstrates termination of barley and vetch cover crops with a roller/crimper and flail mower.

Northwest Soil Science: Nitrogen Mineralization

Soil Scientist Doug Collins published an article on Readthedirt.org that explains his research on how and when soil nutrients are available to crops.

Climate Change: what does the science really tell us?

A narrated Extension PowerPoint on climate science and climate change. The presentation was prepared by Craig Cogger at WSU Puyallup and covers the basics of climate science, evidence of climate change, projections of future climate change, and mitigation strategies. The presentation consists of 10 parts, each about five minutes long, so that it can be viewed in short sittings.

Building Markets for Biofertilizers — Perceptions and Performance

Video of keynote address by Chad Kruger at the 26th Annual BioCycle West Coast Conference April 2012.

Struvite as a Phosphorus Fertilizer Source for Greenhouse Crop Production – webinar

This webinar highlights recent research by Rita Hummel of WSU on struvite as a phosphorus source for greenhouse production of bedding plants and vegetable starts. Her research includes struvite derived from municipal wastewater and dairy manure. Craig Cogger opened the webinar with a brief overview of the phosphorus challenge. After Rita’s presentation of greenhouse research results, Keith Bowers discussed struvite production as one phosphorus removal technology for wastewater at livestock, food processing, and public sewage treatment sites. The webinar closed with a brief summary by Craig and an open question period.

Climate Change webinars (parts 1 & 2)

We hear about climate change from the media, but the information can be confusing and politically charged. WSU soil scientist Craig Cogger presented a two-part webinar series to cut through the confusion and understand the science of climate change. View Part 1, What does the science really tell us about past and current climate trends? HERE. View Part 2, Climate models, skepticism, and our response to climate disruption HERE.

Can we grow more nutritious fruits and vegetables using organic farming methods?

(Recorded Webinar) Andrews, Preston. WSU. 2011.

Helping Sustain Agriculture in Africa

WSU scientist Lynne Carpenter-Boggs is working with an international group of scientists to help find bean varieties and microbial inoculates that will improve yields on the ancient soils that farms in many parts of Africa must contend with. Dr. Carpenter-Boggs took a Flip camera to Africa and shot some wonderful footage of farms, people and animals.

Herbicide contamination of dairy derived organic matter in Whatcom County: New developments in 2011

Burrows, C. 2011. WSU Whatcom County Extension. This article is an update on potential aminopyralid residue in manure, composted manure and silage. Mitigation actions include bioassay tests by composting facilities, outreach and education to prevent export of manure from operations where aminopyralid was applied, and proposed product label changes.

Extracting valuable energy, carbon and nutrient resources from organic waste

WSU scientists have conducted extensive research on Anaerobic Digestion (AD) as a technology for recovery of methane (energy), stable carbon, and nutrients from organic wastes such as manure, food processing wastes and the organic fraction of municipal solid wastes (OFMSW). Our research has evaluated the technical and economic performance of commercially available systems, developed improved AD reactors, and commercialized WSU patented nutrient recovery technology. This webinar, presented by CSANR director Chad Kruger and CSANR scientist Craig Frear, will provide an update on the latest results from the WSU Climate Friendly Farming Project’s AD research.

Climate Change and Family Forest Landowners in Idaho

Schnepf, C., J. Creighton, A. Grotta, S. Kantor. 2011. Executive summary available here.

Climate Change and Family Forest Landowners in Washington

Creighton, J., C. Schnepf, A. Grotta, S. Kantor. 2011.

Climate Change and Family Forest Landowners in Oregon

Grotta, A., J. Creighton, C. Schnepf, S. Kantor. 2011.

Executive Summary – Climate Change and Family Forest Landowners in Idaho

Schnepf, C., J. Creighton, A. Grotta, S. Kantor. 2011. Full report available here.

Climate Change and Family Forest Landowners in Alaska

Kantor, S., J. Creighton, C. Schnepf, A. Grotta. 2011.

The Second Solution: Agriculture’s Role – video featuring eastern Washington farmer John Aeschliman

The Northwest Biocarbon Initiative aims to galvanize farmers, foresters, community leaders, and thinkers to demonstrate the essential role that natural systems can play in ensuring long-term climate stability. The Center for Sustaining Agriculture and Natural Resources is part of this collaboration with several of the Northwest’s leading conservation organizations who see this effort as a logical extension of our region’s rich natural resource heritage and our history of groundbreaking innovation and stewardship.

How family forest landowners in the Pacific Northwest perceive climate change

Private forest landowners in the Pacific Northwest and elsewhere face the same challenges as public land managers with regard to changing forest conditions. However, little is known regarding the understanding family forest landowners have about climate change and the potential impacts on how they manage their forests. Consequently, the degree to which private landowners are prepared to respond effectively is unknown. To make sure new research and extension programming related to climate change and western forests is as useful as possible for family forest owners, researchers at three universities conducted a needs assessment in Alaska, Idaho, Oregon and Washington to determine family forest owners’ perceptions, understanding, and educational needs regarding the impact of climate change on their forests. The Oregon, Washington, Alaska and Idaho reports are linked here, as well as an executive summary of the Idaho report.

Compost Trials in Newly Planted Orchards

Smith, T. 1995-1997. This WSU Chelan-Douglas County Extension website summary features results from in-orchard compost trials in North Central Washington. Report includes an overview of compost materials and use in orchards.

A Fine Thin Skin – wind, water, valcanoes and ice

Steury, 2011.  Article highlighting CSANR soil research in Washington State Magazine.

Potential nitrogen contributions from legumes in Pacific Northwest apple orchards

Mullinix, K. and Granatstein, D. 2011. Intl. J. Fruit Sci. 11:74-87.

Soils and Compost

This WSU Small Farms Team website provides links to various resources on compost science, operations and equipment, compost tea, and vermicomposting.

Stewardship Gardening: Compost

This WSU Master Gardeners website provides information for home gardeners on backyard composting, kitchen waste composting, and livestock manure composting.

Composts and Nutrient Management

The WSU Puyallup Research Center faculty have conducted extensive work on compost, manure and biosolids. This website provides information on yard waste and food waste composts, clopyralid, calculating bulk density, nutrient management for organic systems and compost facility operator training events. The site has links to the Compost Mix Calculator the Organic Fertilizer Calculator and Center research publications.

WSU Compost Facility

WSU operates a full scale composting facility on the Pullman campus to recycle organic waste, while providing teaching and research opportunities.

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