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May 2025Archived

 

Field picture submitted by Elizabeth Fichtner

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Solution Center for Nutrient Management: Page

John Teixeira - Lone Willow Ranch

John Teixeira farms 90 acres of land bordering the San Joaquin River in Firebaugh, California. The land has been certified organic since 1991. One field also carries biodynamic certification, which will soon extend to the entire farm.
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Solution Center for Nutrient Management: Page

Meet Crop Nutrient Requirements

Nutrient management is critical in increasing or maintaining crop yields on a single parcel of agricultural land. To meet crop needs throughout a growing season soil fertility must be consistently high, which can be attributed to the presence and availability of nutrients.
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Solution Center for Nutrient Management: Page

Resources

A collection of external online resources on: general management testing nutrient budgeting irrigation management fertilizer mangement cover crops soil organic matter agriculture, nutrient management and climate change View our videos from the 2015 Russell Ranch Field Day: Nitrogen through soil, spa...
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Solution Center for Nutrient Management: Page

Reduce Nitrous Oxide Emissions

Nitrous oxide (N2O) is a greenhouse gas hundreds of times more powerful than carbon dioxide. Agricultural operations account for 60% of N2O emissions in California. For more in-depth coverage about N2O emissions, check out our N2O emissions focus topic page.
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Solution Center for Nutrient Management: Page

Compost

What is Compost? What are the Benefits of Compost in Agriculture? Environmental Concerns of Compost Application References Compost is defined as the product resulting from the controlled biological decomposition of organic material1.
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Solution Center for Nutrient Management: Page

Fertilizer Nitrogen

The 4Rs of nutrient management. From NutrientStewardship.com. When considering nitrogen fertilizer applications, it is important to consider the Four Rs of Nutrient Management: Right product/source, Right rate, Right time, Right place.
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Solution Center for Nutrient Management: Page

Nitrogen Budgeting

The terrestrial nitrogen cycle. Courtesy of Southwest Hydrology. The nitrogen cycle is a complex web of natural and industrial processes that converts nitrogen into many different chemical forms. Understanding the nitrogen cycle is important when considering how to create a nitrogen budget.
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Solution Center for Nutrient Management: Page

Residual Nitrogen

Nitrogen can carryover from one growing season to the next, providing a vital resource for your next crop. This nitrogen can come from the mineralization of soil organic matter or fertilizer, usually in the form of nitrate, that has not been leached below the root zone.
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Solution Center for Nutrient Management: Page

Nitrogen From Organic Sources

Perhaps one of the most difficult components of a nitrogen budget is determining how much N will become available for crop uptake from organic sources, including crop residues, manure, compost and native soil organic matter.
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Solution Center for Nutrient Management: Page

Nitrogen in Irrigation Water

Nitrate in groundwater has the potential to provide a substantial amount of plant-available nitrogen to crops. Accounting for the nitrate in irrigation water allows for substantial decreases in fertilizer costs.
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