Peach palm residue compost as substrate for Bactris gasipaes self-sustaining seedlings production
Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ROWA-9-2_007
تاریخ نمایه سازی: 18 بهمن 1400
Abstract:
Purpose To comply with purposes of circular economy and sustainability, as well as promoting an appropriate destination for waste from Bactris gasipaes agro-industry and adding value to this product, we evaluated the compost of the plant residue as substrate for seedlings production. Methods Waste was collected, composted, dried and ground. Compost samples were characterized chemically and physically. The treatments consisted of different proportions of compost and soil (medium commonly used in B. gasipaes seedling nurseries), to make five growth media (v:v composted peach palm:soil): T۱ - ۱۰۰: ۰; T۲ - ۷۵:۲۵; T۳ - ۵۰:۵۰; T۴ - ۲۵:۷۵ and T۵- ۰: ۱۰۰. After ۱۲۰ days of planting the peach palm seedlings, morphological parameters were evaluated. Results For the majority of physicochemical properties, T۱ showed superior characteristics, i.e. higher water retention capacity (۷۴.۱۹ v/v), higher total porosity (۷۴.۷۸%) as well as higher concentrations of N, P, K (with ۲.۹۰ %, ۳۴۱۲.۰۰ g dm-۳ and ۷۱۲۰.۰۰ g dm-۳, respectively) when compared to T۵. Likewise, for seedling morphological parameters, the material grown in T۱ presented higher height and shoot fresh and dry weight. Conclusion B. gasipaes residue compost shows adequate amounts of macro and micronutrients and physical properties that enable satisfactory development of seedlings from the species, thus promoting a self-sustainable seedling production system.
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Authors
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Embrapa Forestry, Colombo, Paraná, Brazil
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Department of Plant Science, Federal University of Paraná, Curitiba Paraná, Brazil
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Department of Plant Science, Federal University of Paraná, Curitiba Paraná, Brazil
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Department of Forest Science, Federal University of Paraná, Curitiba Paraná, Brazil
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Department of Forest Science, Federal University of Paraná, Curitiba Paraná, Brazil
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Embrapa Forestry, Colombo, Paraná, Brazil
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Embrapa Forestry, Colombo, Paraná, Brazil
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Embrapa Forestry, Colombo, Paraná, Brazil
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