2012

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Estimating Plant-Available Nitrogen Release from Cover Crops

This Oregon State University fact sheet explains the basics of plant-available nitrogen (PAN); when to kill cover crops for the maximum PAN benefit; step-by-step instructions on how to perform site-specific measurements to predict PAN from your cover crop; and case studies from the Willamette Valley.

Technical Assistance Programs for Agricultural Irrigation Improvements in Arizona

A number of organizations offer technical assistance programs for improvements to agricultural irrigation systems. Irrigation improvements can lead to more efficient and precise application of water. As a result, growers have more flexibility to respond to temperature extremes, water scarcity or market fluctuations. This guide provides an overview of the different types of technical assistance […]

Building Soils in Alaska Communities

Many Alaska communities have stated an interest in food production but perceive that a lack of adequate soils inhibits gardening. Most Alaskan producers confront related soil problems, such as thin root zones, nutrient-poor soils with low organic material contents, and some issues with permafrost. Despite the high cost of shipping, some producers actually import all of their garden soils from the continental United States on a barge, unaware that many of the necessary soil components can be found locally. This video demonstrates soil building and raised bed construction.

Organic Fertilizer and Cover Crop Calculator

This free online tool compares the nutrient value and cost of cover crops, organic and synthetic fertilizers and compost. Use this Excel Calculator to develop well balanced and cost effective nutrient management programs for your farm.