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اثر مقادیر مختلف آبیاری قطرهای زیرسطحی بر عملکرد کمی و کیفی دو رقم خرمای کبکاب و زاهدی | ||
تحقیقات آب و خاک ایران | ||
مقاله 8، دوره 48، شماره 3، مهر 1396، صفحه 543-553 اصل مقاله (579.88 K) | ||
نوع مقاله: مقاله پژوهشی | ||
شناسه دیجیتال (DOI): 10.22059/ijswr.2017.207612.667468 | ||
نویسندگان | ||
نادر سلامتی* 1؛ حسین دهقانی سانیچ2 | ||
1نادر سلامتی - استادیار پژوهش و عضو هیات علمی مرکز تحقیقات و آموزس کشاورزی و منابع طبیعی خوزستان- سازمان تحقیقات، آموزش و ترویج کشاورزی، اهواز، ایران | ||
2حسین دهقانی سانیج، دانشیار پژوهش، موسسه تحقیقات فنی و مهندسی کشاورزی، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران | ||
چکیده | ||
بهمنظور بررسی تأثیر مقدار آب در آبیاری قطرهای زیرسطحی بر کارایی مصرف آب، عملکرد خرما، اجزای عملکرد و تعیین مناسبترین تیمار آبیاری در دو رقم خرما، آزمایشی بهصورت کرتهای یکبار خردشده در قالب بلوکهای کامل تصادفی با 3 تکرار برای دو سال زراعی (1394-1392) در ایستگاه تحقیقات کشاورزی بهبهان اجرا گردید. فاکتور اصلی مقدار آب در آبیاری قطرهای زیرسطحی در سه ســطح بر اساس 75%، 100% و 125% نیاز آبی و فاکتور فرعی، رقم در دو سطح شامل کبکاب و زاهدی بود. در تمام صفات کمی بهجز کارایی مصرف آب ازجمله وزن حبه و هسته، طول، تعداد حبه در خوشه، عملکرد خرما و کارایی مصرف آب اختلاف معنیداری بین تیمارهای سطوح مختلف آب وجود نداشت. لذا مصرف زیاد آب در تیمارهای 100 و 125 درصد نیاز آبی نسبت به تیمار 75 درصد موجب نشده تا هر دو رقم خرما از نظر صفات کمی نسبت به تیماری که کمترین آب را دریافت نموده برتری داشته باشند. . بهطوریکه با مصرف 3/7545 مترمکعب در هکتار آب در تیمار 75% نیاز آبی علاوه بر صرفهجویی در مصرف آب به میزان 0/25 و 0/40 درصد نسبت به تیمارهای 100 و 125 درصد نیاز آبی، عملکرد این تیمار 9/6396 کیلوگرم در هکتار و کارایی مصرف آب آن نیز 848/0 کیلوگرم بر مترمکعب بهثبت رسید. دو رقم کبکاب و زاهدی نیز از نظر عملکرد و کارایی مصرف آب اختلاف معنیداری نداشتند. بهطوری که در رقم کبکاب میزان عملکرد 1/5857 کیلوگرم در هکتار و کارایی مصرف آب نیز 610/0 کیلوگرم بر مترمکعب به ثبت رسید. | ||
کلیدواژهها | ||
نخل؛ عملکرد کمی و کیفی؛ سطوح متفاوت آب | ||
عنوان مقاله [English] | ||
The effect of different amounts of subsurface drip irrigation on yield and quality of two varieties of palm Kabkab and Zahedi | ||
نویسندگان [English] | ||
Nader Salamati1؛ Hosein Dehghani Sanich2 | ||
1Ahvaz | ||
2Institue of Technical Research and Agricultural Engineering | ||
چکیده [English] | ||
In order to investigate the effect of the amount of water in subsurface drip irrigation on water use efficiency, performance dates, yield components, and determine the best irrigation in two varieties of palm, a split plot experiment in a randomized complete block design with three replications for the second year experiment (2014-2015) was carried out in Behbahan agricultural Research Station. The main factor was the amount of water in subsurface drip irrigation at three levels based on 75%, 100% and 125% water requirement and sub-plots, the two Variety of Kabkab and Zahedi. in all quantitative traits except water use efficiency such as berry weight and the core, length, number of berries per cluster, date yield and water use efficiency, water levels, there were significant differences between treatments. As 2582.1 cubic meters per hectare consumption of water in the treatment of 75% water requirement in addition to saving water consumption by as much as 28.8 and 45.5 percent compared to 100 and 125% water requirement, The yield of the Treatment Research 6563.6 kg and water use efficiency was calculated as 2.542 kilograms per cubic meter. Two varieties of palm Kabkab and Zahedi also not significantly different in terms of yield and water use efficiency. So that in the hearts 6134.9 kg per hectare yield and water use efficiency was calculated 1.721 kilograms per cubic meter. | ||
کلیدواژهها [English] | ||
Palm, Qualitative and quantitative yield, different levels of water | ||
مراجع | ||
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