اثر روش¬های مختلف حاصلخیزی خاک بر عملکرد دانه کدوی تخم کاغذی
محورهای موضوعی : توليد محصولات زراعي
صلاح الدين حقكوي
1
(دانش آموخته دانشگاه آزاد اسلامي مهاباد)
تورج میرمحمودی
2
(هیات علمی واحد مهاباد)
کلید واژه: کدوی تخم کاغذی, کود زیستی, كود شيميايي,
چکیده مقاله :
به منظور بررسی تأثیر سطوح مختلف انواع کودهای بر خصوصیات مورفولوژیک کدوی تخم کاغذی، آزمايشي در بهار سال 1392، در ایستگاه تحقیقاتی گریزه سنندج به صورت فاكتوريل در قالب طرح بلوک¬های کامل تصادفی در سه تکرار به اجرا درآمد. فاكتورهاي آزمايشي شامل سطوح كود شيميايي پر مصرف بر اساس نتايج آزمون خاك (شاهد، صفر)، 50 و 100 درصد كود شيميايي توصيه شده) به عنوان فاکتور اول و نوع كودهاي زيستي و آلی شامل (شاهد، عدم كاربرد)، کود آلی (کمپوست)، نیتروکارا، فسفاته بارور2 و تركيب كمپوست + نيتروكارا + فسفاته بارور 2 بودند. در این تحقیق صفات وزن هزار دانه، تعداد دانه در ميوه، وزن متوسط ميوه، قطر ميوه، تعداد ميوه در بوته، عملكرد ميوه و عملكرد دانه در میوه اندازه گيري شدند. نتايج تجزيه واريانس داده ها نشان داد اثر سطوح كود شيميايي بر كليه صفات مورد مطالعه به غير از وزن هزار دانه و تعداد ميوه در بوته معني دار بود همچنين بين تيمارهاي كود آلی و زيستياز لحاظ اثر بر كليه صفات مورد بررسي به غير از وزن هزار دانه، قطر ميوه و تعداد ميوه در بوته اختلاف معني مشاهده شد. مقایسه میانگین تیمارها نشان داد تیمار ترکیبی كمپوست+ نيتروكارا + فسفاته بارور2 همراه با 50 و 100 درصد مصرف کود شیمیایی بالاترین مقدار تعداد دانه در میوه، وزن میوه، قطرمیوه و عملکرد میوه را به خود اختصاص دادند. در این بررسی ترکیب تیماری تیماری كمپوست+ نيتروكارا + فسفاته بارور2 همراه با مصرف50 درصد کود شیمیایی عملكرد دانه در ميوه را در مقایسه با تیمار 100 درصد کود شیمیایی بدون استفاده از کود زیستی 38/43 درصد و در مقایسه با شاهد هر دو تیمار به ترتیب92/84 درصد افزایش داد. بنابراین با استفاده از تیمار ترکیب كمپوست+ نيتروكارا + فسفاته بارور2 به میزان 50 درصد در مصرف کودهای شیمیایی صرفه جویی کرد.
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