واکنش ذرت سینگل کراس 640 به منابع شیمیایی، زیستی و تلفیقی نیتروژن

نوع مقاله : مقاله پژوهشی

نویسنده

گروه زراعت و اصلاح نباتات، واحد میاندوآب، دانشگاه آزاد اسلامی، میاندوآب، ایران

چکیده

جهت مطالعه واکنش ذرت هیبرید سینگل کراس640 به کود زیستی، مقادیر مختلف کود شیمیایی و برهمکنش آنها، آزمایشی بصورت فاکتوریل در قالب طرح بلوک های کامل تصادفی با سه تکرار انجام شد. فاکتورهای آزمایش شامل تیمار کود شیمیایی اوره در پنج سطح صفر، 75، 150، 225 و 300 کیلوگرم در هکتار و کود زیستی نیتروکسین در دو سطح  تلقیح و عدم تلقیح بودند. برهمکنش کود زیستی با کود شیمیایی اوره بر روی عملکرد دانه، تعداد دانه در بلال، وزن هزار دانه و ارتفاع بوته اثر معنی دار داشت. بالاترین عملکرد دانه به مقدار 14/10425 کیلوگرم در هکتار از کود زیستی  نیتروکسین همراه با 300 کیلوگرم در هکتار کود شیمیایی اوره و کمترین عملکرد دانه نیز در تیمار شاهد (صفر کیلوگرم کود شیمیایی اوره) و عدم تلقیح با کود زیستی نیتروکسین با مقدار 49/5712 کیلوگرم در هکتار بدست آمد. همچنین بین کود زیستی نیتروکسین بعلاوه 225 کیلوگرم کود شیمیایی اوره با کود زیستی نیتروکسین بعلاوه 300 کیلوگرم در هکتار کود شیمیایی اوره از لحاظ عملکرد دانه اختلاف معنی داری مشاهده نشد. به نظر می رسد تلفیق کودهای شیمیایی با کودهای زیستی حداکثر تولید را به همراه دارد که می تواند به دلیل تأثیر توام کود شیمیایی و باکتری های محرک رشد در فراهم نمودن عناصر غذایی برای ذرت باشد.
 

کلیدواژه‌ها


عنوان مقاله [English]

Reaction of Corn Single Cross 640 to Chemical, Biological and Integrated Source of Nitrogen

نویسنده [English]

  • Farshad Sorkhi
چکیده [English]

The response of corn single cross 640 to chemical fertilizers, biofertilizers and their interactions were studied. The experiment was conducted as a factorial arranged in completely randomized block design with three replications. Treatments consisted of combined application levels of urea fertilizer at five levels (0, 75, 150, 225 and 300kg pure nitrogen per hectare as urea fertilizer) and two levels of biological fertilizer (inoculated and non-inoculated). The results showed that the interaction of biofertilizer with urea fertilizer had significant effect on traits such as grain yield, number of grains per ear and thousand grain weight and plant height. The highest grain yield (10425.14 kg.ha-1) was obtained with 300 kg urea and inoculated with biological fertilizer and the lowest (5712.49 kg.ha-1) grain yield obtained in control level (no urea fertilizer) and non-inoculated with biological fertilizer. There is no difference between biological fertilizer with 225 kg of urea and biological fertilizer plus 300 kg of urea  related to grain yield. It seems that the combination of chemical fertilizers with organic fertilizers can produce maximum yield that due to provide nutrients for plants.
 

کلیدواژه‌ها [English]

  • Corn
  • Fertilizer
  • Nitroxin
  • Urea
  • Yield
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