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Soil Fertility in Organic Systems: A Guide for Gardeners and Small Acreage Farmers

This publication discusses the many types of fertilizers and soil amendments available for organic plant production. Fertilizer formulations, nutrient availability, and application practices for common organic products are also explained. ...

Jul 2013 | OSU Extension Catalog

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

Alfalfa soil fertility and fertilization requirements

A productive alfalfa crop removes significant quantities of macronutrients and small amounts of micronutrients from the soil (Table 1). A complete fertilizer program is essential to ensure a highly productive, long-lived stand.

David Hannaway, Mylen Bohle, Daniel Miles, Yitian Lin, Brianna Randow | Sep 2019 | Article

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

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

Fall Pasture Management: Plant, Root Growth, & Soil Fertility

Proper pasture management is a year round effort. Fall is one of the most critical periods for western Oregon pastures, as well as central and eastern irrigated pastures. Management during the fall affects the ability of ...

Melissa Fery | Dec 2009 | Article

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

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

Red worms eat their way through kitchen waste to produce rich soil amendment

Keeping a worm farm is an easy project

Kym Pokorny | Aug 12, 2016 | News Story

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