Vliv zásobení vodou v průběhu růstu zrna na využití půdního minerálního dusíku ozimou pšenicí

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00027006%3A_____%2F07%3A1928" target="_blank" >RIV/00027006:_____/07:1928 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

The effect of water supply during grain growth on the utilization of soil mineral nitrogen by winter wheat

Popis výsledku v původním jazyce

The effect of water supply on the utilization of soil mineral nitrogen (Nmin) from top- and subsoil by winter wheat was studied on loamy clay soil in Praha-Ruzyně in the years 2004-2006. The water regime was differentiated from heading by covering plotswith movable shelter during rain and with drip irrigation. Wheat was grown with no N and 200 kg N.ha-1 (N0 and N1, resp.). Water shortage during the period of grain formation reduced the utilization of Nmin supply in 0-90 cm in respective years by 64 kg,20 kg and 69 kg N.ha-1 in N1 treatment, in comparison with rain-fed control, and by 91 kg, 25 kg and 98 kg N.ha-1 in comparison with irrigated treatment. In N0 treatment the reduction reached 18 kg N.ha-1 in 2004, and was under 5 kg N.ha-1 in 2005 and 2006. The reduced apparent utilization of Nmin supply under water shortage corresponded with decrease of N yield of shoots (correlation coefficient > 0.93 and 0.97 in N0 and N1, resp.), however, the slope of regression differed among exper

Název v anglickém jazyce

The effect of water supply during grain growth on the utilization of soil mineral nitrogen by winter wheat

Popis výsledku anglicky

The effect of water supply on the utilization of soil mineral nitrogen (Nmin) from top- and subsoil by winter wheat was studied on loamy clay soil in Praha-Ruzyně in the years 2004-2006. The water regime was differentiated from heading by covering plotswith movable shelter during rain and with drip irrigation. Wheat was grown with no N and 200 kg N.ha-1 (N0 and N1, resp.). Water shortage during the period of grain formation reduced the utilization of Nmin supply in 0-90 cm in respective years by 64 kg,20 kg and 69 kg N.ha-1 in N1 treatment, in comparison with rain-fed control, and by 91 kg, 25 kg and 98 kg N.ha-1 in comparison with irrigated treatment. In N0 treatment the reduction reached 18 kg N.ha-1 in 2004, and was under 5 kg N.ha-1 in 2005 and 2006. The reduced apparent utilization of Nmin supply under water shortage corresponded with decrease of N yield of shoots (correlation coefficient > 0.93 and 0.97 in N0 and N1, resp.), however, the slope of regression differed among exper

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

GD - Hnojení, závlahy, zpracování půdy

OECD FORD obor

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Projekt

<a href="/cs/project/QF4176" target="_blank" >QF4176: Omezení negativního vlivu abiotických stresů na příjem a využití živin obilovinami.</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2007

Kód důvěrnosti údajů

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

Název periodika

Scientia Agriculturae Bohemica

ISSN

1211-3174

e-ISSN

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Svazek periodika

38

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

6

Strana od-do

105-110

Kód UT WoS článku

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EID výsledku v databázi Scopus

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