Abstract:Background: Direct sowing technique is considered a promising tool for reducing costs and increasing species diversity in restoration projects. However, several factors can limit its success, making it necessary for methodological adjustments to be made in order to maximize the emergence, establishment and initial growth of plants. This study aimed to evaluate the influence of the use of fungus Trichoderma asperelloides and hydrogel in the enrichment direct sowing as a strategy to enrich the area in the initia… Show more
“…The concentrated solution was diluted in 1 L of distilled water (1:1 v/v), resulting in a nal spore concentration of 5 × 108 CFU mL − 1 . The inoculation was performed fractionally, with 6 mL of the solution applied around the root ball when the seedlings were planted and 6 mL applied 15 d after planting, according to the method proposed by Griebeler et al (2023).…”
Section: Study Conditions and Experimental Designmentioning
confidence: 99%
“…CRF promoted an adequate supply of nutrients to E. grandis plants. Recently, other studies have highlighted the advantages of using CRF for the basal fertilization of forest species(Turchetto et al 2019;Griebeler et al 2023; Speetjens and Jacobs 2023). CRFs are water-soluble fertilizers enclosed in a semipermeable polymer coating that allows mineral ions to be available to plants at a controlled rate(Vejan et al 2021).…”
The productivity of forest plantations of the Eucalyptus genus in Brazil depends on applying large amounts of fertilizers. Controlled-release or organomineral fertilizers represent sustainable alternatives to traditional mineral fertilizers, allowing reduced production costs, higher growth rates, and environmental benefits. Additionally, using biological inputs such as fungi of the Trichoderma genus can increase forest productivity and improve plant quality and vigor. Therefore, this study aimed to characterize the influence of different types of fertilizers associated with Trichoderma harzianum on the morpho-physiological attributes of young Eucalyptus grandis plants. This study was conducted in a greenhouse using a completely randomized design, with six replicates in a 5 × 2 factorial scheme, considering four types of mineral or organomineral fertilizers and a control treatment, with or without T. harzianum inoculation. At 180 d after planting, the morphology of the aerial and roots and the aspects of the photosynthetic apparatus were evaluated using the Falker chlorophyll index and chlorophyll a fluorescence. For basic fertilization, E. grandis plants cultivated using a controlled-release fertilizer and an organomineral fertilizer based on swine manure showed the best results for the morphophysiological features evaluated. T. harzianum inoculation also improved the E. grandis development, especially when associated with controlled-release or organomineral fertilizers. Therefore, using swine manure to formulate organomineral fertilizers combined with inoculating T. harzianum in seedlings is a sustainable alternative fertilizer for young E. grandis plants.
“…The concentrated solution was diluted in 1 L of distilled water (1:1 v/v), resulting in a nal spore concentration of 5 × 108 CFU mL − 1 . The inoculation was performed fractionally, with 6 mL of the solution applied around the root ball when the seedlings were planted and 6 mL applied 15 d after planting, according to the method proposed by Griebeler et al (2023).…”
Section: Study Conditions and Experimental Designmentioning
confidence: 99%
“…CRF promoted an adequate supply of nutrients to E. grandis plants. Recently, other studies have highlighted the advantages of using CRF for the basal fertilization of forest species(Turchetto et al 2019;Griebeler et al 2023; Speetjens and Jacobs 2023). CRFs are water-soluble fertilizers enclosed in a semipermeable polymer coating that allows mineral ions to be available to plants at a controlled rate(Vejan et al 2021).…”
The productivity of forest plantations of the Eucalyptus genus in Brazil depends on applying large amounts of fertilizers. Controlled-release or organomineral fertilizers represent sustainable alternatives to traditional mineral fertilizers, allowing reduced production costs, higher growth rates, and environmental benefits. Additionally, using biological inputs such as fungi of the Trichoderma genus can increase forest productivity and improve plant quality and vigor. Therefore, this study aimed to characterize the influence of different types of fertilizers associated with Trichoderma harzianum on the morpho-physiological attributes of young Eucalyptus grandis plants. This study was conducted in a greenhouse using a completely randomized design, with six replicates in a 5 × 2 factorial scheme, considering four types of mineral or organomineral fertilizers and a control treatment, with or without T. harzianum inoculation. At 180 d after planting, the morphology of the aerial and roots and the aspects of the photosynthetic apparatus were evaluated using the Falker chlorophyll index and chlorophyll a fluorescence. For basic fertilization, E. grandis plants cultivated using a controlled-release fertilizer and an organomineral fertilizer based on swine manure showed the best results for the morphophysiological features evaluated. T. harzianum inoculation also improved the E. grandis development, especially when associated with controlled-release or organomineral fertilizers. Therefore, using swine manure to formulate organomineral fertilizers combined with inoculating T. harzianum in seedlings is a sustainable alternative fertilizer for young E. grandis plants.
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