Studying the effect of nutrient fertilizers on agronomical and biological yield of wheat (CV Alvand) | Abstract
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Studying the effect of nutrient fertilizers on agronomical and biological yield of wheat (CV Alvand)

Author(s): Hooshang Faraji, Ali Moradi, Shahrokh Jahanbin and Ali Rahimi

In order to examine the effect of applying fertilizers containing iron, Zinc and copper on the quantitative characteristics of Alvand wheat,an experiment consisted of eight fertilizer treatments, including control, zinc, iron, copper , mixture of iron and copper , iron and zinc mixture , the mixture of copper and zinc and a mixture of all three, was done in a randomized completely block design with three replications was conducted, in Yasouj, Iran in 2011. Iron , zinc and copper from the solephate sources and each of them was added to the soil at planting time in the amount of 30 kg/ha and others with a concentration of one in thousand were sprayed in three stages of tillering, stem elongation and flowering. By applying Zn solephate, the number of spike per area increased as 110 spike and 1000 grain weight as 1.4 gr at the level of 1%. There was no significant differences between other treatments. By applying Zn- HI, the harvesting index increased by 1.7% at 5% probability level, however the difference between other treatments, compared to control were not significant compared to control. In terms of the number of grains per spike, a significant difference was obtained between the two treatments using mixtures of pure iron and iron and copper. This difference could be due to the antagonistic effect of iron and copper in absorption to the plant. The results indicated that Zn had a significant effect on grain yield. This means that by using it at 5% level ,the yield was 1450 kg per hectare. Also, applying Zn had a significant effect at 5% level on the biological yield of wheat. This means that its application led to 2700 kg per hectar yield.