نشریه علمی پژوهشی مهندسی آبیاری و آب ایران

نشریه علمی پژوهشی مهندسی آبیاری و آب ایران

تأثیرآبیاری بخشی ریشه و سطوح مختلف بیوچار بر رشد بلال گیاه ذرت

نوع مقاله : مقاله پژوهشی

نویسنده
استادیار دانشگاه پیام نور استان تهران
10.22125/iwe.2026.564019.1914
چکیده
هدف اصلی آبیاری جبران کمبود آب قابل استفاده برای گیاه و هدف کم آبیاری صرفه جویی در مصرف آب است. که آبیاری بخشی ریشه یکی از روش های کم آبیاری می‌باشد. یکی از افزودنی‌های خاک به‌منظور بهبود حاصل‌خیزی آن بیوچار است. این تحقیق به‌منظور بررسی تاثیر تیمارهای مختلف آبیاری کامل و کم‌آبیاری بر ارتفاع، قطر و قطر چوب بلال محاسبه گردید. بیشترین مقدار ارتفاع بلال در تیمار مصرف 12 تن در هکتار بیوچار در سال دوم به میزان 2/17 سانتی‌متر به‌دست آمده است که نسبت به تیمار عدم مصرف بیوچار در سال اول که کمترین میزان ارتفاع بلال را داشته است افزایش 13 درصدی را نشان داد. بیشترین مقدار قطر بلال در تیمار مصرف 12 تن در هکتار بیوچار و آبیاری کامل به میزان 45/4 سانتی‌متر مشاهده شد. تیمار مصرف 6 تن در هکتار بیوچار در سال دوم دارای بیشترین مقدار قطر چوب بلال به مقدار 4/2 سانتی‌متر بوده که اختلاف معنی‌داری نسبت به تیمار بدون مصرف بیوچار داشت. بنابراین اثر سال بر ارتفاع بلال و قطر چوب بلال بسیار معنی‌دار شد. اثر متقابل سال کشت در آبیاری روی ارتفاع بلال تاثیر بسیار معنی‌داری داشت. اثر بیوچار نیز بر ارتفاع بلال و قطر بلال معنی‌دار شد. اثر تیمارهای آبیاری بر قطر بلال بسیار معنی‌دار شد.
کلیدواژه‌ها
موضوعات

عنوان مقاله English

The effect of Partial root zone drying and different levels of biochar on ear maize growth

نویسنده English

maryam dehghani Ahmadabadi
Assistant Professor Payam Noor University of Tehran Province
چکیده English

The main purpose of irrigation is to compensate for the lack of usable water for the plant and the purpose of deficit irrigation is to save water consumption. Partial root zone drying is one of the low irrigation methods. One of the soil additives to improve its fertility is biochar. This study was conducted to investigate the effect of different partial root zone drying treatments at full irrigation, two levels of 65 and 55% and different levels of biochar consumption (zero, 6 and 12 tons per hectare) on the growth characteristics on height, diameter and wood diameter was calculated. The highest height was achieved in the 12-ton application treatment in the biochar soil in the second year, at 17.2 centimeters. This showed a 13% increase compared to the treatment without biochar in the first year, which had the lowest ear height. The treatment using 6 tons per hectare of biochar in the second year had the highest ear diameter of 2.4 cm. The highest ear diameter was observed in the treatment of 12 tons per hectare of biochar and full irrigation, at 4.45 cm. Which was significantly different from the treatment without biochar. Therefore, the effect of year on ear height and ear stalk diameter was highly significant. The interaction effect of planting year and irrigation had a highly significant effect on ear height.

The effect of biochar on ear height and ear diameter was also significant. The effect of irrigation treatments on ear diameter was highly significant.

کلیدواژه‌ها English

partial root zone drying
Drip Irrigation (Type)
Ear maize
Organic Fertilizer
 
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