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Journal of Medicinal Plants and By-products، جلد ۱۱، شماره ۲، صفحات ۲۱۱-۲۱۸
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عنوان انگلیسی Effects of Chemical and Biofertilizers on Yield and Production Factors of Valerian (Valeriana officinalis L.)
چکیده انگلیسی مقاله A field experiment was conducted to evaluate the effects of bio and chemical fertilizers on yield and production factors of valerian (Valeriana officinalis L.) at the Homad-Absard Agricultural Complex in Damavand city, Tehran Province, Iran, through a factorial experiment based on a randomized complete blocks design with 3 replications during 2017 to 2020. Experimental factors consist Nitroxin and Phosphate Barvar2 biofertilizers each with 2 levels of inoculation and control, and also the urea (46% N) chemical fertilizer in 5 levels (0, 30, 60, 90 and 150 kg/ha). Measured parameters were root diameter (mm), root length (cm), leaf width (cm) and leaf length (cm) root dry weight (kg/ha), shoot dry weight (kg/ha), valernic acid content (%) and valernic acid yield (g/ha). Results showed that the biofertilizers had significant effect (p≤ 0.01) on the all quantity and quality parameters studied. Unlike the urea chemical fertilizer at all levels which had a negative effect on the yield and amount of valernic acid (%), biofertilizers increased it. Maximum and minimum amount of valernic acid (%) were measured in control (0.465%) and 150 kg/ha urea (0.215%) respectively. The highest and lowest root dry weight were obtained in interaction of Nitroxin+Phosphate barvar2 + 150 kg urea (665 kg/ha) and control (221 kg/ha) respectively. Results of this experiment showed that biofertilizers with positive effects on experimental parameters are able to replace the chemical fertilizers.
کلیدواژه‌های انگلیسی مقاله Biofertilizer, Medicinal plants, Plant nutrition, Root yield, Valernic acid
نویسندگان مقاله Mehdi Heydari-Rahni |
Department of Agronomy, Varamin-Pishva Branch, Islamic Azad University, Varamin, Iran.

Mohammad Nasri |
Department of Agronomy, Varamin-Pishva Branch, Islamic Azad University, Varamin, Iran.

Yousef Filizadeh |
Department of Agronomy, Shahed University, Tehran, Iran

Pourang Kasraie |
Department of Agronomy, Varamin-Pishva Branch, Islamic Azad University, Varamin, Iran.

نشانی اینترنتی https://jmpb.areeo.ac.ir/article_125492_0e196108bf59b5de12f6121e254543c5.pdf
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