The Effect of Urea and Urea with Urease Inhibitor on the Yield and Content of Essential and Non-Essential Amino Acids in the Tubers of Potatoes

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43210%2F16%3A43909274" target="_blank" >RIV/62156489:43210/16:43909274 - isvavai.cz</a>

Result on the web

<a href="http://icabr.com/soil/Proceedings_from_International_Conference_Soil-the_non-renewable_environmental_resource.pdf" target="_blank" >http://icabr.com/soil/Proceedings_from_International_Conference_Soil-the_non-renewable_environmental_resource.pdf</a>

DOI - Digital Object Identifier

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Result language

angličtina

Original language name

The Effect of Urea and Urea with Urease Inhibitor on the Yield and Content of Essential and Non-Essential Amino Acids in the Tubers of Potatoes

Original language description

The aim of 3-year experiments was to determine the effect of nitrogen fertilisation with urea (46% N) and urea with urease inhibitor (UI) - NBPT (Urea stabil fertiliser) on the yield and content of essential and non-essential amino acids in tubers of potatoes of the variety Red Anna. The small-plot experiment involved 7 treatments: 1) 90 kg N/ha - Urea; 2) 72 kg N/ha - Urea; 3) 54 kg N/ha - Urea; 4) 90 kg N/ha - Urea + UI; 5) 72 kg N/ha - Urea + UI; 6) 54 kg N/ha - Urea + UI; 7) unfertilised control. These fertilisers were applied on the soil surface and incorporated into the soil during planting. Tuber yields were significantly affected by the year, the 3-year average ranging between 27.3 and 32.9 t/ha, and the yields were the lowest in the unfertilised treatment. Yields were significantly lower only in two treatments (3 and 7) as against treatment 1. The year also significantly affected the content of amino acids (18.94-21.57 g/kg essential and 32.06-35.13 g/kg non-essential amino acids as the 3-year average). It was surprising that the lowest content of both the essential and non-essential amino acids was associated with the highest rate of urea (treat. 1). The highest rate of urea with IU (treat. 4) significantly increased the content of both amino acids in contrast to the highest rate of urea (treat. 1) and in terms of essential amino acids also in contrast to treatments 6 and 7. The efficiency of the urease inhibitor usually lasts 1-2 weeks and is affected by a number of factors. For more objective conclusions it would be desirable to continue in the experiments.

Czech name

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Czech description

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Type

D - Article in proceedings

CEP classification

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OECD FORD branch

40101 - Agriculture

Project

<a href="/en/project/QI101A184" target="_blank" >QI101A184: Potato growing technology - new environmental friendly procedures (ways).</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2016

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

Proceedings from International conference Soil - the non-renewable environmental resource

ISBN

978-80-7509-413-1

ISSN

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e-ISSN

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Number of pages

8

Pages from-to

200-207

Publisher name

Mendelova univerzita v Brně

Place of publication

Brno

Event location

Brno

Event date

Sep 7, 2015

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

000403658200021