Sunday, 19 April 2015

tna presents its packaging and processing solutions for the first time at BTA

tna presents its packaging and processing solution...

  Integrated packaging and processing solutions provider tna will showcase its range of total sys...

Space of co-located Process Expo, International Dairy Show and InterBev Process has exceeded 300,000 square feet

Space of co-located Process Expo, International Da...

  The International Dairy Foods Association (IDFA), the Food Processing Suppliers Association (FP...

“Cibus is Italy” Pavilion to showcase the whole range of Italian food

“Cibus is Italy” Pavilion to showcase the whole ra...

  The 2015 universal exposition dedicated to the theme "Feeding the Planet, Energy for Life&...

Potatoes New Zealand Inc announces a major new potato research project

Potatoes New Zealand Inc announces a major new potato r...

  Potatoes New Zealand Inc. has won funding from the Ministry of Primary Industries for a major resear...

Bayer CropScience and Farm Frites, in a potato venture for sustainable agriculture

Bayer CropScience and Farm Frites, in a potato venture ...

  Bayer CropScience and Dutch potato specialist Farm Frites has announced the beginning a Food Chain P...

FDA proposes to amend regulation on food facilities

FDA proposes to amend regulation on food facilities

  The U.S. Food and Drug Administration (FDA) is issuing a proposed rule to amend and update its regul...

Loma Systems launches tracs reporting software

Loma Systems launches tracs reporting software

  Loma Systems launches a new graphical Ethernet PC-based software tool designed to monitor the perfor...

TOMRA launches its newest peeling solution for seasonal vegetables and fruit processors

TOMRA launches its newest peeling solution for seasonal...

  TOMRA Sorting Food will reveal the latest addition to its steam peeling portfolio at Anuga FoodTec, ...

Loma launches its new X-ray contaminant inspection machine

Loma launches its new X-ray contaminant inspection mach...

  The equipment manufacturer Loma Systems launched its new X-ray contaminant inspection machine, a mod...

Potatoes are back on WIC, a nutritional program for women, infants and children in USA

Potatoes are back on...

The National Potato Council (NPC) from USA succeeded to put ...

Exclusive interview with the director of Urschel Laboratories, Inc: The Urschel team is a very strong one

Exclusive interview ...

What began with one man's invention more than 100 years ago ...

Important investment in Lamb Weston frozen food facility in Netherlands will add capacity and jobs

Important investment...

Lamb Weston / Meijer, a joint venture between US-based ConAg...

Thanksgiving Feast, a new line of kettle-cooked potato chips

Thanksgiving Feast, ...

Boulder Canyon Foods introduces Thanksgiving Feast, a new ...

Potato Week 2014 to take place on October 6-12

Potato Week 2014 to ...

The dates for Potato Week 2014 are October 6-12 and the camp...

UK Potato Council says it is a record year for seed potato exports

UK Potato Council sa...

  Seed potato exports are booming, with the latest figure...

Indian Government will procure 6,600 tones of potato from farmers

Indian Government wi...

The State Government announced its decision to procure 6,6...

Company launches a new solution for potato sprouting

Company launches a n...

  BioSafe Systems announces the introduction of ARRET Spr...

Seed Industry Event conference tackles key industry concerns

Seed Industry Event ...

The recent Seed Industry Event, organized by British Potato ...

Armenia registered an important growth in potato exports in 2014

Armenia registered a...

Armenian potato exports totaled about 20,600 tons, compared ...

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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