Peanut Shells Effect as a Peat Substitute in Potting Media on Growth and Nutrition of Begonia rex
محورهای موضوعی : مجله گیاهان زینتی
Ali Mahboub Khomami
1
(
Soil and Water Research Department, Gilan, Agricultural and Natural Resources Research and Education Center, AREEO, Rasht, Iran
)
Ali Ajili Lahiji
2
(
Soil and Water Research Department, Gilan, Agricultural and Natural Resources Research and Education Center, AREEO, Rasht, Iran
)
Reza Alipoor
3
(
Ornamental Plant Research Station of Lahijan, Agricultural and Natural Resources Research and Education Center, AREEO, Guilan, Iran
)
Seyyed Ibrahim Hojati
4
(
Ornamental Plant Research Station of Lahijan, Agricultural and Natural Resources Research and Education Center, AREEO, Guilan, Iran
)
کلید واژه: compost, Peat, Perlite, Physical properties, Soilless culture,
چکیده مقاله :
Due to the environmental problems caused by the accumulation of significant amounts of waste from peanut cultivation, it seems necessary to provide a solution for the reuse of this organic waste. Therefore, this experiment was conducted to investigate the possibility of using compost of peanut shells in potting Begonia rex. The research was based on a randomized complete block design with five treatments, four pots per treatment, and three replications. The plants were grown in peat consisting perlite (2:1 v/v) and composts (25, 50, 75 and 100 v/v %) instead of peat in peat (P): perlite (Pe) (2:1 v/v) growth medium. The control consisted of P: Pe alone without peanut shells compost. The results showed that the application of peanut shells compost improved the growth factors of Begonia. Accordingly, the replacement of 25% of peanut shells compost had a better impact on plant growth by enhancing most growth factors including plant height (20.21 cm), number of leaves (13.13%), leaf fresh weight (48.88 g), leaf dry weight (2.01 g) and root fresh weight (2.37 g). However, 100% increase in peanut shells compost significantly reduced plant growth as compared to the control. It seems that in the treatment with 100% peanut shells compost, salinity increase (1.48%) was effective in reducing plant growth.
بدلیل وجود معضلات زیست محیط ناشی از تجمع آزولا و حجم قابل توجه ضایعات به جا مانده از کشت بادام زمینی ارائه راهکاری برای استفاده مجدد از ضایعات آلی لازم بهنظر میرسد. لذا، این آزمایش جهت بررسی امکان استفاده از کمپوست پیله بادام زمینی در بستر کشت گلدانی گیاه زینتی بگونیا رکس به اجرا در آمد. این تحقیق بر پایهی طرح بلوکهای کامل تصادفی با 5 تیمار و با 4 گلدان در هر تیمار و در 3 تکرار 5 انجام شد. گیاهان در بستر پیت و پرلیت (2 به 1 حجم/ حجم) و بسترهایی با که نسبت (25 ، 50 ، 75 و 100 حجم/حجم) کمپوست جایگزین پیت در پیت(P) : پرلیت (Pe) (2 به 1 حجم/ حجم) کشت شدند. تیمار شاهد شامل P: Pe به تنهایی بدون کمپوست پوسته بادام زمینی بود. نتایج نشان داد که استفاده از کمپوست پوسته بادام زمینی باعث بهبود فاکتورهای رشد بگونیا میشود. بر این اساس، جایگزینی 25% از پوستههای بادام زمینی در اکثر فاکتورهای رشد مانند ارتفاع گیاه (بهترتیب 21/20 سانتیمتر)، تعداد برگ (13/13 درصد)، وزن تر برگ (88/48گرم) ، وزن خشک برگ (بهترتیب 01/2 گرم) و وزن تر ریشه (بهترتیب 37/2 گرم) اثر بهتری در رشد گیاه داشتند. افزایش میزان صدف پوسته بادام زمینی تا100% باعث کاهش معنیدار رشد گیاه نسبت به شاهد میشود. بهنظر میرسد در تیمار 100% کمپوست پوسته بادام زمینی، افزایش شوری (48/1%) در کاهش رشد گیاه مؤثر است.
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