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علیرضا کوچکی مهدی نصیری محلاتی هادی زرقانی علی نوروزیان

چکیده

به‌منظور ارزیابی کارایی مصرف نور، عملکرد و ماده خشک در کشت مخلوط تأخیری گندم زمستانه و چغندرقند، آزمایشی در سال زراعی 91-1390 درمزرعه تحقیقاتی دانشکده کشاورزی دانشگاه فردوسی مشهد در قالب طرح بلوک های کامل تصادفی در چهار تکرار به اجرا در آمد. تیمارهای آزمایش عبارت بودند از چهار تیمار کشت مخلوط با نسبت‌های3:1، 3:2، 4:2، 6:2 (چغندرقند :گندم) همرا با کشت خالص گونه‌ها. نتایج نشان داد در طی دوره رشد شاخص سطح برگ، میزان تشعشع عبور کرده از کانوپی، کارایی مصرف نور، میزان تولید ماده خشک و در نهایت عملکرد در واحد سطح تحت تأثیر کشت مخلوط تأخیری قرار گرفتند و بیش‌ترین عملکرد گندم و چغندرقند به‌ترتیب (1942 و 2063‌گرم در متر‌مربع) در کشت 4:2 و کشت خالص چغندر قند مشاهده گردید و کارایی مصرف نور برای گندم و چغندرقند در کشت مخلوط 4:2 که بیش‌ترین مقدار بود به‌ترتیب (65/1 و 38/2) به‌دست آمد. بر اساس یافته‌های این تحقیق به‌نظر می‌‌رسد که استفاده از مخلوط‌های تأخیری راهکار مناسبی برای استفاده بهتر از منابع و افزایش عملکرد در مقایسه با کشت متوالی گونه‌های پاییزه و بهاره باشد.

جزئیات مقاله

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ارجاع به مقاله
کوچکیع., نصیری محلاتیم., زرقانیه., & نوروزیانع. (2015). بررسی کارآیی جذب و مصرف نور و عملکرد در کشت مخلوط تأخیری گندم زمستانه (Triticum aestivum) و چغندرقند (Beta vulgaris). پژوهشهای زراعی ایران, 14(4), 539-557. https://doi.org/10.22067/gsc.v14i4.51159
نوع مقاله
علمی پژوهشی