859 resultados para biomassa vegetal
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In tropical regions, the residual effect of phosphate fertilizer source is of crucial importance. This study aimed to evaluate the effects of application of P sources in chemical properties of soil, nutrition and productivity of sugarcane plant and during the first and second ratoon. The sources of P applied in furrows at planting were, triple superphosphate, Arad phosphate, bone meal (100 kg ha-1 P2O5 total) and a control without P, the varieties of sugarcane studied were IAC86-2480 and SP79-1011. A randomized block design in a 4 × 2 factorial was used, with four replications. The study was conducted in the municipality of Alta Floresta-MT, Brazil, in Typic Hapludox. After each cutting, in soil P content, pH and Ca were evaluated. In the plant, the production of green and dry matter of shoots, the concentration of P in the biomass harvested, the export of P and agronomic efficiency of the sources of P were determined. The bone meal had a higher agronomic efficiency resulted in greater accumulation and export of P by crop, higher content of available Ca and P and increase soil pH. The Arad reactive phosphate increased its agronomic efficiency between crop cycles.
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Pós-graduação em Agronomia (Agricultura) - FCA
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Fisioterapia - FCT
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Reproductive phenology and fruit production on a land bridge island in the brazilian atlantic forest
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Ciências Biológicas (Biologia Vegetal) - IBRC
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Pós-graduação em Ciências Biológicas (Biologia Vegetal) - IBRC
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Pós-graduação em Ciências Biológicas (Biologia Vegetal) - IBRC
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Pós-graduação em Ciências Biológicas (Biologia Vegetal) - IBRC
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Pós-graduação em Biotecnologia - IQ
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Pós-graduação em Biotecnologia - IQ
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)