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O modelo de producao agricola convencional e economicamente viavel, no entanto, e responsavel por inumeros impactos negativos ao meio ambiente e aos individuos que o compoe. Baseado neste contexto surge a necessidade a adocao de novas tecnologias que permitam uma producao equiparavel, de tal forma que conserve os recursos naturais e que diminua os impactos negativos ao meio ambiente. Com isto objetivou-se neste trabalho estudar o cultivo da cenoura sob a aplicacao de biofertilizante. O experimento foi conduzido em casa de vegetacao. Os tratamentos resultaram da combinacao dos fatores tempo de fermentacao do biofertilizante, 10, 20, 30 e 40 dias e quatro concentracoes do biofertilizante, 25, 40, 55 e 70%. O delineamento experimental utilizado foi o inteiramente casualizado, no esquema fatorial 4 x 4, com quatro repeticoes. As caracteristicas avaliadas foram altura das plantas e numero de folhas a cada 10 dias apos o desbaste ate a colheita, apos a colheita foi avaliado numero de folhas, altura das plantas, massa seca das folhas e massa fresca e seca da raiz. Para as caracteristicas avaliadas ao longo do tempo observou-se que o tempo de fermentacao do biofertilizante de 26 dias e a concentracao do biofertilizante de 47% promoveu maior crescimento das plantas. Na colheita, observou-se que em media, o tempo de fermentacao do biofertilizante de 30 dias e a concentracao do biofertilizante de 50% promoveram maior crescimento e producao das plantas. Growing carrot submitted the application of doses of biofertilizer A bstract: Conventional agricultural production model is economically viable, however, is responsible for numerous negative impacts on the environment and the individuals who compose it. Based on this context there is a need to adopt new technology providing equivalent production in such a way that conserves natural resources and to decrease the negative impacts on the environment. With this objective of this work was to study the cultivation of carrots under the application of biofertilizers. The experiment was conducted in a greenhouse. The treatments resulted from the combination of factors fermentation time of biofertilizers, 10, 20, 30 and 40 days and four bio-fertilizer concentrations, 25, 40, 55 and 70%. The experimental design was completely randomized in a factorial 4 x 4, with four replications. The characteristics were plant height and number of leaves every 10 days after thinning and harvesting, post-harvest was estimated number of leaves, plant height, dry mass of leaves and fresh and dry root. For the characteristics evaluated over time was observed that the biofertilizer fermentation time of 26 days and the concentration of 47% biofertilizer promoted greater plant growth. At harvest, it was observed that on average the biofertilizer fermentation time of 30 days and the concentration of 50% biofertilizer promoted enhanced growth and yield of plants.

Cultivo da cenoura submetida à aplicação de doses de biofertilizante