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Add organic matter to improve garden soils

Adding organic matter is the best way to improve nearly all kinds of soils.

Feb 27, 2009 | News Story

Living on the Land: Guide to Growing Cover Crops

This publication is part of the Living on the Land series. It provides concise information on how to grow cover crops. Use the button below to download this publication as a PDF. Listen to the Living on the Land podcast ...

Brian Tuck | Jan 2018 | OSU Extension Catalog

Improving Garden Soils with Organic Matter

This publication will help you understand the importance of soil organic matter levels to good plant performance. It also contains suggestions for suitable soil amendments. Any soil, no matter how compacted, can be improved by ...

Dan Sullivan, Linda Brewer, Neil Bell | May 2003 | OSU Extension Catalog

OSU Organic Fertilizer & Cover Crop Calculator: Predicting Plant-available Nitrogen

Describes the OSU Organic Fertilizer & Cover Crop Calculator and using it to predict plant-available nitrogen.

Clare Sullivan, Dan Sullivan, Linda Brewer, Nick Andrews | May 2019 | OSU Extension Catalog

Instead of leaving soil naked, coat it with cover crops

Grow "green manure" to keep soil from eroding, weeds from exploding and to add nutrients.

Kym Pokorny | Jul 27, 2018 | News Story

Estimating Plant-Available Nitrogen Release from Cover Crops

This publication assists western Oregon farmers and agricultural professionals in determining the nitrogen fertilizer replacement value of winter cover crops. Includes information on plant-available nitrogen (PAN) basics; a site-specific, ...

Dan Sullivan, Nick Andrews | Nov 2012 | OSU Extension Catalog

Buckwheat makes a good summer cover crop for gardens

Need a summer cover crop to add nutrients to your garden's soil? Try planting buckwheat.

Jul 18, 2014 | News Story

Soil Improvement and Cover Crop Resources for Small Farms

Even though different soils have some properties that cannot be changed, such as texture, soil quality can be improved by implementing good management strategies. Soils can be improved for water holding capacity, drainage, structure,...

Apr 2018 | Collection

Coffee grounds and soil trial

Popular gardening advice touts the benefits of coffee grounds for acid loving plants, as a slug repellant and soil amendment. Little research based information is available to back up many of these claims. From November 2008 to...

Jun 2009 | Educational Document

Function & Selection of Cover Crops

When selecting a cover crop for a particular field, keep the end in mind. How does the crop need to function? Are you in need of a permanent crop like grass to stabilize soil and reduce erosion? Or perhaps you’re ...

Melissa Fery | Dec 2009 | Article