تأثیر ورمی‌کمپوست و اوره بر عملکرد و شاخص‌های سودمندی کشت مخلوط ذرت شیرین (Zea mays var. Saccharata) و بامیه (Abelmoschus esculentus)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشگاه تربیت مدرس

2 هیئت علمی

3 هئیت علمی

چکیده

به منظور ارزیابی کشت مخلوط ذرت شیرین و بامیه تحت تأثیر ورمی‌کمپوست و کود شیمیایی اوره، آزمایشی در ‏مزرعه تحقیقاتی دانشگاه تربیت مدرس در بهار و تابستان 1394 انجام شد. در این تحقیق تأثیر پنج نسبت اختلاط ذرت ‏شیرین: بامیه به روش جایگزینی شامل 100‏‎:‎‏0 (کشت خالص ذرت شیرین)، 75‏‎:‎‏25، 50‏‎:‎‏50، 25‏‎:‎‏75 و 0‏‎:‎‏100 (کشت ‏خالص بامیه) و دو نوع سیستم تغذیه‌ای شیمیایی (اوره) و ارگانیک (ورمی‌کمپوست) در آزمایشی به صورت فاکتوریل در ‏قالب طرح بلوک‌های کامل تصادفی با سه تکرار بررسی شد. نتایج نشان دادند که برهمکنش عوامل مورد مطالعه اثر معنی-‏داری بر تعداد بلال مرغوب و عملکرد بلال ذرت شیرین و عملکرد دانه بامیه در سطح احتمال یک درصد داشتند. همچنین ‏عامل نسبت اختلاط بر وزن هزار دانه ذرت شیرین در سطح احتمال پنج درصد و بر وزن هزار دانه بامیه و تعداد میوه بامیه ‏در هر متر مربع در سطح احتمال یک درصد تأثیر معنی‌داری داشت. بیش‌ترین عملکرد بلال مرغوب ذرت شیرین و عملکرد ‏دانه بامیه به ترتیب با تولید 58/9614 و 65/2848 کیلوگرم در هکتار از تیمار کشت خالص آن دو با دریافت کود ‏شیمیایی اوره به دست آمد. بالاترین نسبت برابری زمین (10/2) از تیمار نسبت اختلاط 50‏‎:‎‏50 تحت سیستم تغذیه‌ای ‏ورمی‌کمپوست به دست آمد و مخلوط‌ 75‏‎:‎‏25 (ذرت شیرین: بامیه) تحت همان سیستم تغذیه‌ای با نسبت برابری زمین ‏معادل 93/1 در رتبه بعدی قرار گرفت. ارزیابی شاخص رقابت در تیمارهای مختلف نیز رتبه بندی تیمارهای برتر را تأیید ‏کرد. ‏

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Effect of vermicompost and urea on yield and profitability indices of sweet corn (Zea mays var. Saccharata) and okra(Abelmoschus esculentus) intercropping

نویسندگان [English]

  • ali Heidarzadeh 1
  • majid aghaalikhani 2
چکیده [English]

In order to evaluate the intercropping of Sweet corn and Okra affected by vermicompost and ‎urea fertilizer a field experiment was conducted at research field of Tarbiat Modares ‎University during 2015 spring and summer. In this research effect of‏ ‏five mixing ratio‏ ‏of ‎sweet corn/okra including: 100:0 (sweet corn monoculture), 75:25, 50:50, 25:75 and 0:100 ‎‎(okra monoculture) and two nutrition systems consisted of chemical (urea) and organic ‎‎(vermicompost) were investigated with factorial arrangement of treatments based on ‎randomized complete block design with three replications. The results showed that factors ‎interaction on the number of desirable ear, sweet corn yield and okra seed yield were ‎significant (P≤ 0.01). Also mixing ratio effect on sweet corn 100 kernel weight (P≤ 0.05), okra ‎‎1000 kernel weight and the number of fruits square meter (P≤ 0.01) was significant. ‎According to mean comparisons the highest sweet corn yields (9614.58 kg.ha-1) and okra ‎‎(2848.65 kg.ha-1) was obtained in their monoculture receiving the chemical fertilizer. The ‎highest LER‏ ‏‎(2.10) was obtained in 50:50 treatment under vermicompost nutrition system ‎followed by 75:25 under same nutrition system (LER=1.93). Also competition index ‎evaluation in the different treatment confirmed the rating of superior treatments.‎

کلیدواژه‌ها [English]

  • Competition index
  • Sustainable agriculture
  • compost
  • Land equivalent ratio (LER)‎
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