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Western Cover Crops Council

Western Cover Crops Council

Category: Nutrients

Soil Nitrate Testing for Willamette Valley Vegetable Production (2019) EM9221

Posted on December 2, 2020December 2, 2020 by tplessin in Nutrients

This publication describes how to use in-season soil nitrate testing to adjust sidedress N fertilizer application rate to match crop N requirements. Data to support our recommendations comes from field trials conducted in the Willamette Valley for vegetable crops produced …

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Estimating Plant-Available Nitrogen Release from Cover Crops

Posted on October 28, 2020 by tplessin in Nutrients

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, step-by-step method to estimate PAN; Willamette Valley case studies; and appendices …

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Baseline Soil Nitrogen Mineralization: Measurement and Interpretation (2020) EM9281

Posted on October 20, 2020December 2, 2020 by tplessin in Nutrients

This Extension publication reviews baseline N mineralization which refers to plant-available nitrogen release that accompanies the decomposition of soil organic matter. The rate of baseline soil N mineralization is governed by the quantity and quality of soil organic matter, as …

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