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A Peek at Nitrogen Dynamics in Cabbage: First Year Results

Christy Hoepting, Extension Vegetable Specialist
Cornell Vegetable Program

October 27, 2015

A Peek at Nitrogen Dynamics in Cabbage: First Year Results

In 2013, the Cabbage Research and Development Program (CRDP) made nitrogen fertility one of their highest research priorities. In response, we studied nitrogen dynamics in cabbage with respect to total rate applied nitrogen and timing of application (proportion applied pre- and/or at-planting compared to side-dressed) in order to determine the appropriate use and timing of nitrogen in cabbage in order to improve efficiency, optimize rates, and reduce environmental contamination from nitrogen leaching and/or lodging in following winter wheat crop. In 2014, a small-plot trial was set up in commercial field of storage cabbage (c.v. Constellation) with five rates of total applied nitrogen (31, 66, 132, 197 and 262 lb/A) and three application timings (100:0; 50:50 and 25:75 at-planting: side-dress). To study the variability of available nitrate-nitrogen remaining in the soil at harvest of summer cabbage, a small survey was conducted. Within a period of 8 days between Aug-25 and Sep-2, nine fields of summer cabbage that were either just harvested or being harvested were sampled for available nitrate-N.



Understanding Nitrogen Dynamics in Cabbage: 2014 FINAL Report (pdf; 977KB)

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Upcoming Events

Announcements

Agricultural Workforce Resources for COVID-19

The Cornell Agricultural Workforce Development team has dedicated a page of their website to resources, information, and news releases related to COVID-19. Produce farms should review the resources to protect their workforce, their business, and their markets.

How to Take a Photo for Crop Diagnostics

With the current push to work remotely, using pictures to quickly address production questions has a lot of appeal and utility but the images must be of high quality.

In How to Take a Photo for Crop Diagnostics, readers will learn:
  • What makes a high quality image?
  • Things you should know
  • Different problems need different images
  • Steps for taking a high quality image
  • Pro tips
...Plus there a several side-by-side comparisons of poor quality photos versus high quality images with tips on what changes the photographer made to take the better photo. 

Cornell Commercial Vegetable Guidelines Available

The 2020 Cornell Integrated Crop and Pest Management Guidelines for Commercial Vegetable Production are now available!

Written by Cornell University specialists, this publication is designed to offer producers, seed and chemical dealers, and crop consultants practical information on growing and managing vegetable crops in New York State. Topics include general culture, nutrient management, transplant production, postharvest handling, organic production, and managing common vegetable crop pest concerns. A preview of the Vegetable Guidelines can be seen online.

Highlighted changes in the 2020 Vegetable Guidelines include: 
  • Updated pesticide options for economically important vegetable crop pests.
  • Completely revised weed management chapter.
  • Updated online crop and pest management resources.
Cornell Crop and Pest Management Guidelines are available as a print copy ($41), online-only access ($41), or a package combining print and online access ($57.50). Shipping charges will be added to your order. Cornell Guidelines can be obtained through many local Cornell Cooperative Extension offices, or from The Cornell Store at Cornell University or call (844) 688-7620.


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