تاثیر آرایش کاشت و کودهای ماکرو بر عملکرد و اجزاء عملکرد آفتابگردان روغنی(لاکومکا) در کشت دوم
محورهای موضوعی : توليد محصولات زراعي
سيما عباس زاده
1
(دانش آموخته كارشناسي ارشد ، گروه زراعت كشاورزي ، واحد خوي ، دانشگاه آزاد اسلامي، خوي – ايران)
محسن رشدي
2
(گروه زراعت كشاورزي، واحد خوي، دانشگاه آزاد اسلامي، خوي – ايران.)
کلید واژه: آرایش کاشت, آفتابگردان , تعداد دانه, عملکرد روغن , نیتروژن.,
چکیده مقاله :
به منظور بررسی تاثیر آرایش کاشت و کودهای ماکرو بر عملکرد و اجزاء عملکرد آفتابگردان روغنی رقم لاکومکا در کشت دوم آزمایشی به صورت فاکتوریل بر پایه بلوک¬های کامل تصادفی با 3 تکرار در مزرعه¬ای اطراف شهرستان خوی در سال 1393 اجرا گردید. عامل اول آرایش کاشت در سه سطح شامل20×50 ، 16×60 و 14×70 سانتی¬متر و عامل دوم کودهای ماکرو نیتروژنه، فسفره و پتاسه در سه سطح مقدار توصیه شده، 150 و 125 درصد توصیه شده است. نتایج تجزیه واریانس نشان داد که اثر آرایش کاشت بر تعداد دانه در طبق، وزن صد دانه، درصد مغز دانه، عملکرد دانه و عملکرد روغن معنی¬دار بود. اثر کود بر صفات عملکرد دانه و عملکرد روغن معنی¬دار گردید. با افزایش مصرف کود معادل 150 درصد مقدار توصیه شده عملکرد دانه از 7/1237 کیلوگرم به 1370 کیلوگرم در هکتار و با کاهش فاصله ردیف¬های کاشت از 70 به 50 سانتی¬متر عملکرد دانه از 7/1196 کیلو گرم در هکتار به 7/1446 کیلوگرم در هکتار افزایش یافت.
To study the impact of planting array and micro-fertilizer on the yield and yield components of oil sunflower, lakumka cultivar in the second farming, an experiment was carried out on the complete random blocks with three replications in Khoy vicinity in 1393. The planting array factor was in three levels of 50×20, 60×16, and 70×14 cm; and the three factors of macro-nitrogen, phosphorus and potassium fertilizers in three recommended levels of 150 and 125 percent. The variance analysis results showed that the effect of planting array on the trait of seed yield and oil yield was meaningful. By the increase of fertilizer consumption by 150 percent, the second yield increased from 1237.7 kg to 1370 kg per hectare, and by the reduction of the space between planting rows from 70 cm to 50 cm, the
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