Wednesday, 20 August 2014

Your Potato Europe VIP Ticket Awaits!

As media partners of the event in Bockerode/Hanover, Germany, Potato Processing International and Potato Storage International is inviting 20 lucky readers to win VIP tickets to the fair in September 3-4.

World Map of Test Centres: Woerden

The slogan Florigo applies for the work performed within its Food Technology Center (FFTC) is: “… when Food becomes Fun!”, and starts our series of virtual tours mapping testing facilities the world over and

Global Forum for Innovations in Agriculture Launches Call for Innovations

The Global Forum for Innovations in Agriculture (GFIA), the event for the future of sustainable agriculture, has recently launched the Call for Innovations for next year’s event, to be held from March 9-10, 2015

World Potato Congress Inc. Appoints Three New Directors

David Thompson, President CEO, World Potato Congress Inc. (WPC Inc.) announced the appointment of Mr. Ron Gall, New Zealand; Dr. Nora Olsen, USA; and Anne Fowlie, Canada; as members of the Board

Industry Trends: Exotic Cuts

As consumers are increasingly chasing product diversification and the unique, exotic shapes, we’ve analyzed with Key Technology’s John Kadinger the processes involved into manufacturing them, step by step.

Potato Europe 2014 announces 220 Exhibitors from 13 Countries

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Europe’s Largest Machinery Demonstrations – Potato Europe 2014

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Lamb Weston Wins Employer of the Year Award

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Potato Council’s East of England Potato Day Provides Field Trial Demonstrations for Growers

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Philip Burgess Joins Potato Council

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The communications and knowledge transfer team at Potato Council has a new team leader, Dr Philip Burgess...

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Mydibel’s Green Factory expands

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Key Technology Introduces Sanitary Rotary Finish on Vibratory Conveyors

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BioSafe Systems Introduces Complete Potato Storage Protection Programme

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Nitrogen applications for potato crops can be managed accurately for optimum yields and to reduce nitrogen leaching, a Plant & Food Research scientist told the international potato industry members gathered at the 7th World Potato Congress in Christchurch on Monday 23rd March.

Dr Brown says successful nitrogen management is the application of just enough nitrogen to ensure crop yield is not limited. "Too little nitrogen will result in lost yield and too much has the risk of nitrogen leaching which is a waste of money and an environmental hazard," he says. Key to getting it right is finding out the level of nitrogen in the soil in which the crop is to be planted. Each season the nitrogen soil levels vary from paddock-to-paddock and it is recommended growers measure levels in each paddock at the start of each season. This involves testing soil from 60cm below the surface.

Testing nitrogen levels is not new, although in potato crops, until recently it was more common to test nitrate levels in the plants themselves. However, the information gleaned is not nearly as useful as that attained from the soil. Accurate soil tests give a start point for calculations of nitrogen movement in and out of the crop during the growing season. Models have been developed for day-to-day changes in nitrogen uptake by a crop and the leaching that may take place, says Dr Brown. Factors that influence uptake and leaching are specific to the paddock and season so nitrogen calculations should be done for individual crops, he says.

Crop management tools like the web-based potato calculator are flexible to take the crop-specific information in any given season and calculate crop needs for defined yields. The demand for accurate nutrient applications coupled with the advent of tools like the potato calculator means the days of fertilising by recipe, or making decisions on inaccurate tests, are nearly over says Dr Brown. Growers already using the potato calculator are saving money on fertilisers and don't risk nitrogen leaching into waterways.

For more information contact:
Dr Hamish Brown
Tel 03 325 9394
Mob 027 226 1166
Email This email address is being protected from spambots. You need JavaScript enabled to view it.

source: www.potatonews.com

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