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علیرضا ایمانی موسی ارشد

چکیده

یکی از عوامل افزایش عملکرد پیاز، تعیین مقدار مناسب کود برای کشت این گیاه است. به منظور بررسی تأثیر کود ازته و فسفات زیستی بر خصوصیات کمی و کیفی پیاز قرمز آذرشهر، آزمایشی به صورت فاکتوریل در قالب طرح پايه بلوك­هاي كامل تصادفي با سه تكرار در دو آزمایش جداگانه در سال زراعی 95-1394 اجرا شد. آزمایش اول شامل کود ازته در سه سطح (صفر، 60 و 120 کیلوگرم در هکتار) و محلول پاشی فسفات بارور2 در سه سطح (عدم محلول پاشی، 1 و 2 در هزار ) و آزمایش دوم، کود ازته در  سطوح مذکور و تلقیح بذر با فسفات بارور2 در سه سطح (عدم تلقیح، 1 و 2 در هزار) بود. نتایج حاکی از آن بود که کاربرد کود زیستی فسفات بارور2 و کود ازته باعث افزایش ارتفاع بوته، متوسط وزن پیاز، عملکرد پیاز، محتوای ترکیبات قندی، میزان پروتئین و شاخص کلروفیل شد. در آزمایش اول، بالاترین عملکرد پیاز (98/18 تن در هکتار)، متوسط وزن پیاز (51/127 گرم)، ارتفاع بوته (68/51 سانتی متر)، نیترات (2/116 میلی گرم بر کیلوگرم) و شاخص کلروفیل (12/64) با کاربرد 120 کیلوگرم در هکتار کود نیتروژن و بیشترین عملکرد پیاز (74/17 تن در هکتار)، متوسط وزن پیاز (112 گرم)، ارتفاع بوته (96/50 سانتی متر) و میزان پروتئین (96/9 گرم بر صد گرم) در تیمار محلول پاشی با غلظت 2 در هزار فسفات بارور2 مشاهده گردید. در آزمایش دوم نیز بیشترین مقدار صفات مذکور با کاربرد 120 کیلوگرم کود نیتروژن و به غیر از میزان نیترات در تلقیح بذور با غلظت 2 در هزار فسفات بارور2 به دست آمد. 

جزئیات مقاله

کلمات کلیدی

اوره, میزان پروتئین, تلقیح, محلول پاشی

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ارجاع به مقاله
ایمانیع., & ارشدم. (2019). تأثیر کود نیتروژن و کود زیستی فسفات بارور2 روی برخی ویژگی‌های پیاز رقم آذرشهر در منطقه ملکان. علوم باغبانی, 33(1), 13-28. https://doi.org/10.22067/jhorts4.v33i1.63704
نوع مقاله
علمی - پژوهشی