Crop Science Society of America (CSSA)

4 training found

Training

  • Classroom - Classes - Nutrient Management

  • 4R History and Recent Phosphorus Research Course

    4R History and Recent Phosphorus Research Course

    Where did the 4R idea come from? This article looks at a few of the early sources and how those concepts relate to current challenges facing phosphorus management. You have 30 days to view this content after purchase.

  • Alfalfa Nutrient and Irrigation Management Course

    Alfalfa Nutrient and Irrigation Management Course

    Once a good stand of alfalfa has been established, continued production and stand life depends on good management practices, which include maintaining soil nutrients, applying manure judiciously, and irrigating properly. The following article is a section from the revised (2015) Alfalfa Management Guide, which is available for purchase here: www.societystore.org. You have 30 days to view this content after...

  • Plant Nutrition Basics Course

    Plant Nutrition Basics Course

    The Basics of Plant Nutrition module is a review of essential elements for plant growth, both macro and micro. It also reviews the main functions of the big three essential elements as well as general plant nutrient needs. This is a beginning module in the Fundamentals of Applied Agronomy - plant nutrition section.

  • 4R Nutrient Stewardship and Nitrous Oxide Losses Course

    4R Nutrient Stewardship and Nitrous Oxide Losses Course

    Nitrous oxide (N2O) is a potent greenhouse gas that can result in nitrogen loss from the soil. The scientific literature is deficient in studies that measure N2O emissions, NO3 leaching, and crop performance across multiple sources of nitrogen fertilizer and changes in field practices. However, there are tools and strategies available to consultants and producers to improve nitrogen use efficiency and reduce...