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PERIODICITY OF EXPOSURE OF HYDROPONIC LETTUCE PLANTS TO NUTRIENT SOLUTION
(Univ Fed Rural Semi-arido-ufersa, 2020-01-01)
A balanced periodicity of the nutrient solution flow is essential for better agronomic performances and low production costs in hydroponic systems. Thus, the objective of this work was to evaluate the effect of periodicity ...
Effects of different nutrient concentrations and reuse of substrate in tomato production
(2015-12-23)
Reusing the substrate in subsequent crops has been proposed due to several advantages, especially economic and environmental ones. Furthermore, the electrical conductivity of the nutrient solution can directly influence ...
Head lettuce production and nutrition in relation to nutrient solution flowProdução e nutrição da alface americana em função da vazão da solução nutritiva
(2020-01-01)
The optimum flow rate of nutrient solution in hydroponic system can better nourish the crops, allowing healthy and faster growth of lettuce. However, flow also interferes with electric power consumption, so further researches ...
Uso racional de nutrientes no cultivo hidropônico de amorperfeito
(2006-07-01)
The objective of this work was to evaluate different concentrations of nutritional solution in the hydroponic cultivation of Viola x wittrockiana Gams. The experiment was conducted in DFT hydroponic system, in a completely ...
Up take, transportat and use of macronutrients in rootstock for star fruit tree cultivated in nutrient solutionsEficiência de absorção, transporte e utilização de macronutrientes por porta-enxertos de caramboleira, cultivados em soluções nutritivas
(2007-01-01)
The nutritional status of plants cultivated in nutrient solutions way be influenced by the solution which would affect its growth plants. The present essay was undergone to assess the nutritional demands of root stock for ...
Growth and nutritional disorders of coffee cultivated in nutrient solutions with suppressed macronutrients
(Taylor & Francis Inc, 2016-01-01)
The objective was to evaluate the effect of omitting macronutrients in the nutrients solution on growth characteristics and nutritional status of coffee. The treatments were complete nutrients solutions and solutions with ...
DEFICIÊNCIAS MINERAIS NO CULTIVAR DE ALGODÃO IAC-22
(Instituto Agronômico de Campinas, 1997-01-01)
Desenvolveu-se um experimento em solução nutritiva, omitindo-se os nutrientes, um a um, com o objetivo de descrever as deficiências minerais no cultivar de algodão (Gossypium hirsutum L.) IAC 22. As deficiências de N, P, ...
Influence of drainage and nutrient-solution nitrogen and potassium concentrations on the agronomic behavior of bell-pepper plants cultivated in a substrate
(Public Library Science, 2017-07-05)
The interactive effects of N (6, 9, 12 and 15 mmol L-1) and K (3, 5, 7, and 9 mmol L-1) concentrations in nutrient solutions were evaluated on bell pepper grown in a coconut-coir substrate and fertilized without drainage. ...
Hydrochars produced with by-products from the sucroenergetic industry: a study of extractor solutions on nutrient and organic carbon release
(2019-03-01)
Hydrothermal carbonization transforms biomass into value-added material called hydrochar. The release of nutrients (P, N, Ca, Mg, and K) and organic carbon (TOC) from hydrochar in different extractive solutions was ...
Antagonism produced by hypertonic nutrient solutions on the depressive effect of carbofuran on isolated guinea pig atria
(Academic Press Ltd, 1996-04-01)
The action of hyperosmotic nutrient solutions on the depressive effects of carbofuran was studied on spontaneously contracting guinea pig atria. The force and frequency of contraction were recorded using an isotonic lever. ...