Solution Center for Nutrient Management
Solution Center for Nutrient Management
Solution Center for Nutrient Management
University of California
Solution Center for Nutrient Management

Solution Center Blog

The 4 R’s of Nitrogen Management and Greenhouse Gas Emissions in Corn

Applying nitrogen fertilizer treatments.

In order to be accurate and effective, fertilizer recommendations must factor in a wide range of considerations, ranging from the site-specific to the climatic. To help guide these decisions, “the 4 R's” have been developed: Right rate, Right place, Right time, and Right form. These 4 R's can be utilized in tandem to maximize a given goal, whether that is maximum yield, maximum profitability, minimize adverse environmental effects, or perhaps a combination of factors. However, the...

Posted on Friday, June 17, 2016 at 12:49 PM
  • Author: Jordon Wade
  • Contributor: Hannah Waterhouse
  • Contributor: Martin Burger

Can we use soil health indicators to predict specific soil fertility outcomes?

Table

“Soil health”, as both a term and a concept, has been gaining traction in the last few years. The National Resource Conservation Service (NRCS) has defined soil health as “the continued capacity of soil to function as a vital living ecosystem that sustains plants, animals, and humans”. Generally, soil health is considered to be the intersection of soil physical, chemical, and biological factors. Each soil will have differing levels of health within these three areas....

Posted on Thursday, May 26, 2016 at 2:50 PM
  • Author: Jordon Wade

Nitrous oxide and cover crops in California vineyards

Vineyard photo courtesy of Yoni Cooperman.

Cover crops have become a popular tool in vineyard floor management, and winegrowers utilize cover crops for a variety of reasons. Maintaining plant coverage of soil for as much of the season as possible helps limit soil erosion. Competition between cover crops and vines can be used to limit vine access to water and nutrients, helping control vine vigor. Incorporation of cover crops into the soil can increase soil organic matter and increase the amount of water soil can hold. Cover crops are...

Posted on Wednesday, April 27, 2016 at 2:00 PM
  • Author: Yoni Cooperman
  • Contributor: Jordon Wade

Successful Growers Workshop in San Benito County

Photograph by Bonnie Veblen

A growers' workshop on nutrient and irrigation management featured the Solution Center for Nutrient Management last week in San Benito County. The workshop was funded by the San Benito County Water District and brought together a wide variety of attendees including: growers, seed representatives, consultants, scientists, an operational engineer, an aide to Senator Canella and the President of the San Benito County Farm Bureau. Beginning with a presentation on the latest water quality and...

Posted on Wednesday, February 17, 2016 at 5:31 PM
  • Author: Sara Tiffany

Growers and researchers come together for workshop on tomato nitrogen management

table 1 soil protocol

The Solution Center for Nutrient Management brought together growers, advisors and university researchers for a breakfast meeting to discuss nitrogen management in processing tomatoes. A number of growers attended to share their experiences and learn about research including a new protocol for accurate soil nitrate sampling, and the latest updates on agricultural greenhouse gas emissions research. Cooperative Extension Specialist Daniel Geisseler also presented the CDFA-FREP website that...

Posted on Tuesday, October 27, 2015 at 4:35 PM
  • Author: Sara Tiffany
  • Author: Dr. Martin Burger

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