Journal of Food, Agriculture and Environment

Effect of different levels of manganese fertilizer and drought stress on yield and agronomic use efficiency of fertilizer in durum wheat in Ardabil

Author(s):

Roza Gholamin *, Majid Khayatnezhad

Recieved Date: 2011-10-20, Accepted Date: 2012-04-28

Abstract:

The present study was carried out at the Agriculture Research Center, Islamic Azad University, Ardabil Branch, Ardabil, Iran, in 2010-2011 cropping year using Seimareh durum wheat cultivar, arranged as split-plot based on randomized complete block design (RCBD) under two drought stress conditions (normal irrigation and water deficiency) and four manganese sulphate fertilizer levels (control, 50, 100 and 150 kg/ha^-1) with three replications. Analysis of variance showed significant interaction effect for traits at 0.01% level. The best level of fertilizer was 100 kg/ha, that increased  yield in comparison to control. Also, results showed that agronomic efficiency of fertilizer under stress condition was higher than under normal condition. At fertilizer level of 100 kg/ha the agronomic efficiency of fertilizer was also higher. According to drought tolerance index, at 100 kg/ ha fertilizer level was best in increasing stress tolerance. Results showed that 150 kg/ha level decreased tolerance to stress in Seimareh genotype. Positive effect of manganese sulphate fertilizer amount of 100 kg/ha on stress tolerance and performance can be encountered in the last dry season and also compensation for the negative effect of time delay in the cultures used. 

Keywords:

Manganese fertilizer, drought stress, agronomical efficiency of fertilizer, durum wheat

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Journal: Journal of Food, Agriculture and Environment
Year: 2012
Volume: 10
Issue: 2
Category: Environment
Pages: 1326-1328

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