Saturday, 04 July 2015

IPPSC 2015, Day 3: Latest technologies in storage environment

IPPSC 2015, Day 3: Latest technologies in storage ...

Friday, June 19 was the third and final day of the International Potato Processing and Storage Conve...

IPPSC 2015, Day 2: Potato Industry Directions

IPPSC 2015, Day 2: Potato Industry Directions

After a first day abundant in knowledgeable talks on current and future matters of the processing ...

IPPSC 2015, Day 1: Newest Advances in Potato Processing

IPPSC 2015, Day 1: Newest Advances in Potato Proce...

Wednesday, June 17 was the first day of the International Potato Processing and Storage Convention...

ConAgra Foods intending to exit private label market

ConAgra Foods intending to exit private label market

In a report issued on June 30, ConAgra Foods, Inc. reported results for this year’s fourth quarter, whi...

EFSA formulates scientific point of view on acrylamide issue

EFSA formulates scientific point of view on acrylamide ...

On June 4 this year, the European Food Safety Authority (EFSA) released its official opinion on acrylam...

Kraft Heinz Company has a new senior leadership team

Kraft Heinz Company has a new senior leadership team

  The Kraft Heinz Company announced its new senior leadership team that marks another major milestone ...

Italian snack manufacturer chooses integrated solutions from tna

Italian snack manufacturer chooses integrated solutions...

  Leading Italian snack manufacturer Pata was able to reduce waste, simplify cleaning operations and i...

TOMRA equips its Belgian test and demo center with a new cold room

TOMRA equips its Belgian test and demo center with a ne...

  The equipment producer TOMRA Sorting Solutions is now able to test the performance of its sorting ma...

Key Technology launches new mobile-friendly website

Key Technology launches new mobile-friendly website

  Key Technology announces the launch of its redesigned corporate website with a new responsive versio...

McCain Australia launches a limited edition range of flavored frozen potato wedges

McCain Australia lau...

  McCain Australia has recently launched the new wedges ‘...

Tolsma-Grisnich and Kiremko, partnership for a new plant in China

Tolsma-Grisnich and ...

  Strategic partners Tolsma-Grisnich and Kiremko recently...

Utz Quality Foods launches Specialty Division

Utz Quality Foods la...

Utz Quality Foods, Inc. has recently announced the culmina...

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 ...

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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