Assessing the response of dryland barley yield to climate variability in semi-arid regions, Iran

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41330%2F21%3AN0000124" target="_blank" >RIV/60460709:41330/21:N0000124 - isvavai.cz</a>

Výsledek na webu

<a href="https://link.springer.com/article/10.1007/s40333-021-0017-1" target="_blank" >https://link.springer.com/article/10.1007/s40333-021-0017-1</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s40333-021-0017-1" target="_blank" >10.1007/s40333-021-0017-1</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Assessing the response of dryland barley yield to climate variability in semi-arid regions, Iran

Popis výsledku v původním jazyce

Precipitation and temperature are the most abiotic factors that greatly impact the yield of crop, particularly in dryland. Barley, as the main cereal is predominantly cultivated in dryland and the livelihood of smallholders depends on the production of this crop, particularly in arid and semi-arid regions. This study aimed to investigate the response of the grain yield of dryland barley to temperature and precipitation variations at annual, seasonal and monthly scales in seven counties of East and West Azerbaijan provinces in northwestern Iran during 1991-2010. Humidity index (HI) was calculated and its relationship with dryland barley yield was evaluated at annual and monthly scales. The results showed that the minimum, maximum and mean temperatures increased by 0,19 degrees C a, 0,11 degrees C a and 0,10 degrees C a, respectively, while annual precipitation decreased by 0,80 mm a during 1991-2010. Climate in study area has become drier by 0,22 a in annual HI during the study period. Negative effects of increasing temperature on the grain yield of dryland barley were more severe than the positive effects of increasing precipitation. Besides, weather variations in April and May were related more to the grain yield of dryland barley than those in other months. The grain yield of dryland barley was more drastically affected by the variation of annual minimum temperature comparing with other weather variables. Furthermore, our findings illustrated that the grain yield of dryland barley increased by 0,01 t hm (2) for each unit increase in annual HI during 1991-2010. Finally, any increase in the monthly HI led to crop yield improvement in the study area, particularly in the drier counties, i.e., Myaneh, Tabriz and Khoy in Iran.

Název v anglickém jazyce

Assessing the response of dryland barley yield to climate variability in semi-arid regions, Iran

Popis výsledku anglicky

Precipitation and temperature are the most abiotic factors that greatly impact the yield of crop, particularly in dryland. Barley, as the main cereal is predominantly cultivated in dryland and the livelihood of smallholders depends on the production of this crop, particularly in arid and semi-arid regions. This study aimed to investigate the response of the grain yield of dryland barley to temperature and precipitation variations at annual, seasonal and monthly scales in seven counties of East and West Azerbaijan provinces in northwestern Iran during 1991-2010. Humidity index (HI) was calculated and its relationship with dryland barley yield was evaluated at annual and monthly scales. The results showed that the minimum, maximum and mean temperatures increased by 0,19 degrees C a, 0,11 degrees C a and 0,10 degrees C a, respectively, while annual precipitation decreased by 0,80 mm a during 1991-2010. Climate in study area has become drier by 0,22 a in annual HI during the study period. Negative effects of increasing temperature on the grain yield of dryland barley were more severe than the positive effects of increasing precipitation. Besides, weather variations in April and May were related more to the grain yield of dryland barley than those in other months. The grain yield of dryland barley was more drastically affected by the variation of annual minimum temperature comparing with other weather variables. Furthermore, our findings illustrated that the grain yield of dryland barley increased by 0,01 t hm (2) for each unit increase in annual HI during 1991-2010. Finally, any increase in the monthly HI led to crop yield improvement in the study area, particularly in the drier counties, i.e., Myaneh, Tabriz and Khoy in Iran.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10511 - Environmental sciences (social aspects to be 5.7)

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2021

Kód důvěrnosti údajů

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

Název periodika

JOURNAL OF ARID LAND

ISSN

1674-6767

e-ISSN

2194-7783

Svazek periodika

13

Číslo periodika v rámci svazku

9

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

13

Strana od-do

905-917

Kód UT WoS článku

000708454100003

EID výsledku v databázi Scopus

2-s2.0-85117319107