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Jornal of Al-Muthanna for Agricultural Sciences

مجلة المثنى للعلوم الزراعية

ISSN: 40862226
Publisher: Al-Muthanna University
Faculty: Science
Language:

This journal is Open Access

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Table of content: 2013 volume:2 issue:11

Article
The impact of sources and methods of adding zinc to the growth and holds plant maize
تأثير مصادر وطرق إضافة الزنك في نمو وحاصل نبات الذرة الصفراء

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Abstract

This study was conducted in the field to recognize the effect of zinc Almakhlba ZnSO4.7H2O and Zn-EDTA and containing 23 and 14% Zn to Smadden exporters of zinc are zinc sulfate , respectively. Added to the ground in two ways Alsmadden workshops on plants at a rate of 25 kg Zn. AH -1 and 5 kg Zn. E -1 for the two methods , respectively. Added Asamadan before sowing confusion with the soil was spraying a concentration of 140 ppm in three pay (after 4, 7 and 9 weeks of emergence ) any later be eight -sheets and starting the inflorescence male , fourteen paper and increase growth Aeranas and the emergence of calories ( flowering feminine ), respectively . Added phosphorus from fertilizer superphosphate unilateral rate of 120 kg P. E -1 before sowing confusion with the soil and nitrogen at a rate of 240 kg N. E -1 three pay when agriculture and after a month and two months after agriculture , and potassium added at a rate of 80 kg K. E -1 mixing with the soil and all transactions before planting . Planted the seeds of maize class parents in the 5012 mid- March of 2011 and was held every irrigation ( 5-7 ) day operations weeding four times during the season . Distributed transactions in accordance with the design sectors and full randomization RCBD with three replications . Plants harvested at full maturity after measuring the height of the plants and collect Aeranas . Analyzed the data according to the less significant difference at the level of significance P <0.05 , and the results showed the following: 1 - outperformed the treatment of zinc fertilizer Almakhlba ground in most of the studied traits : plant height , number of grains / Arnos , holds the grain and gave the holder of a whole plant maize amounted to 6457 kg. E -1 2 - Add outperformed the treatment of zinc sulphate Rasha holds the plants in the dry matter . 3 - How to add zinc outperformed Almakhlba Rasha in 500 grain weight .

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