Nutritive Solution
Mostrando 13-24 de 33 artigos, teses e dissertações.
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13. Evaluation of the hydroponic lettuce using water from fish production system mixed with different percentage of nutritive solutions / Avaliação da alface hidropônica usando água de piscicultura misturada com diferentes porcentagens de soluções nutritivas
The present work was carried out in plastic greenhouse, at Escola Agrotécnica Federal de Concórdia, State of Santa Catarina, Brazil, with the purpose of evaluating the agronomic performance of the lettuce crop, cultivar Vera, under hydroponic system using water from fish production mixed with different percents of macro and micronutrients in the nutritive
Publicado em: 2009
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14. Growth, yield and consuption of nutritive solution for tomato under different concentrations cultivated in rusk rice in natura. / Crescimento, produtividade e consumo de solução nutritiva em diferentes concentrações pelo tomateiro cultivado em casca de arroz in natura
O objetivo do trabalho foi determinar o efeito de diferentes concentrações da solução nutritiva sobre o crescimento, produtividade e consumo de solução nutritiva pelo tomateiro empregando como substrato a casca de arroz in natura. Dois experimentos foram conduzidos, na primavera/verão e verão-outono, em ambiente protegido, no Departamento de Fitotecn
Publicado em: 2009
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15. Aspects of Crambe (Crambe abyssinica) Metabolism Under Different Nitrogen Doses Aiming the Oil Production for Biodiesel. / Aspectos do Metabolismo de Plantas de Crambe (Crambe abyssinica) Submetidas a Diferentes Doses de Nitrogênio Visando a Produção de Óleo para Biodiesel.
The crisis and projections around the petroleum business, lead a growning necessity to the development of alternatives energy sources. In this context, biofuel are characterized as a major alternative energy source and, between the countries with great potencial for its production, Brasil plays a role due to its possibilities in agroenergy. This is explained
Publicado em: 2009
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16. Produção de crisântemos de corte sob diferentes relações N:K e aplicação de fungicida via solução nutritiva / Production of cut chrysanthemums under different N:K ratios and fungicide application through nutritive solution
O objetivo deste trabalho foi avaliar a produtividade, intensidade de ferrugem branca (Puccinia horiana) e longevidade pós-colheita de crisântemos, para corte de flor, cultivados em sistema hidropônico, sob diferentes relações N:K e fungicida aplicado via solução nutritiva. Os experimentos foram conduzidos em casa de vegetação, no período de 16/08
Publicado em: 2009
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17. Nutritive solution application discharge, lettuce nitrate content on hydroponic cultivation and sensorial acceptability / VazÃes de aplicaÃÃo de soluÃÃo nutritiva, teor de nitrato em alface sob cultivo hidropÃnico e aceitabilidade sensorial
O presente estudo buscou avaliar influÃncia das vazÃes de aplicaÃÃo da soluÃÃo nutritiva na produÃÃo e acÃmulo de nitrato em folha de alface (Lactuca sativa L) cultivado sob sistema hidropÃnico do tipo NFT e aceitabilidade sensorial entre os sistemas de cultivo: hidropÃnico, convencional e orgÃnico. O delineamento estatÃstico foi o inteiramente
Publicado em: 2008
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18. Determinação da heterose e da capacidade geral e específica de combinação para dez características agronômicas em pimentão (Capsicum annuum L.).
The aim of the present study was to evaluate the agronomic potential, general and specific capability to combine and heterosis between the varieties of sweet pepper (Capsicum annuum L.). The experiments were conducted at the Crop Area of the Agronomy Department of the Federal Rural University of Pernambuco in Recife, Pernambuco (Brazil) (latitude 8 10 52 S a
Publicado em: 2008
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19. Efeito de Alumínio, Molibdênio e de Estirpes de Rizóbio em Arachis pintoi / Effect of Aluminum, Molybdenum and strains of Rizóbio in Arachis pintoi
In a modern cattle-breeding using pastures that allows a gain of weight is an essential factor. The Arachis pintoi is an option to a good alimentary diet and to the recuperation of degraded pastures, due to its potential in biological fixation of nitrogen and resistance to acid soil with high contents of aluminium. Experiments were conducted in greenhouse an
Publicado em: 2007
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20. Cultivo hidropônico de bananeiras (Musa sp.) submetidas ao estresse salino: aspectos fisiológicos e bioquímicos / Hydroponics culture of banana plants (Musa sp.) submitted to the salt stress: physiological and biochemical aspects
Soil salinity is one of the main factors that limits world productivity. Different studies have being realized to select more resistant genotypes. Therefore, this work objectified to study the physiology and biochemistry of two banana plantlets varieties Maçã and Nanica submitted to salt stress on the hydroponics culture. 120 plantlets of each variety were
Publicado em: 2007
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21. PRODUCTION AND BROMATOLIGAL COMPOSITION IN HIDROPONIC WHEAT FORAGE / PRODUÇÃO E COMPOSIÇÃO BROMATOLOGICA DA FORRAGEM HIDROPÔNICA DE TRIGO
Hydroponics forage is an alternative to producers who need quality food to their animals, at times of the year with low demand. It was carried out two experiments inside a polyethylene greenhouse (tunnel), in the Ecophysiology and Hydroponic Research Center (NUPECH), of the Federal University of Santa Maria, Brazil. The objective this work was to evaluate th
Publicado em: 2006
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22. INITROGEN FIXATION BY DIAZOTROPHIC BACTERIA IN FLOODED RICE CULTIVARS / FIXAÇÃO DE NITROGÊNIO POR BACTÉRIAS DIAZOTRÓFICAS EM CULTIVARES DE ARROZ IRRIGADO
Rice is a very important culture in the South of Brazil, with productivity mean of 6 t ha-1, requiring large amounts of nitrogen. The biological nitrogen fixation (BNF) has already been established for legumes and in gramineous plants, microrganisms of the genus Azospirillum, Herbaspirillum, Gluconacetobacter and Burkholderia have potential to BNF and growth
Publicado em: 2006
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23. Tecnologia do Irrigâmetro aplicada em minilisímetro e lisímetro com lençol freático constante para determinação da evapotranspiração de referência / Technology of Irrigâmetro applied in minilysimeters and lysimeters with constant groundwater table for the determination of the reference evapotranspiration
This investigation was carried out in the unit of research and development of the modified Irrigâmetro, belonging to the Department of Agricultural Engineering of the Federal University of Viçosa, in Viçosa, state of Minas Gerais, Brazil, located at 20 45 S and 42 45 W , in the period from July to December of 2005. Two experiments were conducted with the
Publicado em: 2006
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24. Produção de Pleurotus sajor-caju em bagaço de cana-de-açúcar lavado e o uso de aditivos visando sua conservação "in natura". / Production of Pleurotus sajor-caju in washed sugar cane bagasse and the fresh mushroomsshelf life evaluation by treatment with diferent solutions.
Traditionally, the cultivation of edible mushroom Pleurotus sajor-caju or hiratake has been carried out on different composted and pasteurized agricultural residues. They are usually sold in natura and according to the storage conditions the mushroomsshelf life varies from 3 to 7 days. The objectives of this study were to investigate the traditional pr
Publicado em: 2003