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Mostrando ítems 31-40 de 403
Adsorção de fosfato proveniente de água residuária de suinocultura por Goethita sintética
(Universidade Tecnológica Federal do ParanáLondrinaBrasilEngenharia ambientalUTFPR, 2014-08-11)
The present work was developed in order to demonstrate the amount of phosphate from swine wastewater (ARS) adsorbed by synthetic iron oxides, based on the thesis that these ARS are used as agricultural fertilizer. These ...
Dinâmica do fósforo em ovinos alimentados com dietas contendo diversos níveis deste mineral
(Sociedade Brasileira de Zootecnia, 2008)
Avaliou-se a dinâmica do fósforo no organismo de cordeiros Santa Inês alimentados com dietas com diversos níveis deste mineral, considerando as correlações entre os níveis de fósforo consumido e de fósforo no plasma; na ...
Inoculation with Plant Growth-Promoting Bacteria to Reduce Phosphate Fertilization Requirement and Enhance Technological Quality and Yield of Sugarcane
(2022-01-01)
Phosphorus (P) is a critical nutrient for high sugarcane yields throughout its cultivation cycles, however, a higher amount of P becomes rapidly unavailable to plants due to its adsorption to soil colloids. Some plant ...
Modos de aplicação e doses de fósforo na cana-de-açúcar em distintos manejos de solo
(Universidade Estadual Paulista (UNESP), 2016)
Dietary requirements of available phosphorus in growing broiler chickens at a constant calcium:available phosphorus ratio
(Revista Brasileira de Zootecnia, 2017)
Disponibilidade e nível crítico ambiental de cobre, zinco e fósforo no solo, associado ao uso contínuo de dejetos líquidos suínos em microbacia
(Universidade Federal de Santa MariaBrasilCiências AmbientaisUFSMPrograma de Pós-Graduação em Ciência e Tecnologia AmbientalUFSM Frederico Westphalen, 2023-03-22)
The use of swine liquid manure (SLD) as an organic fertilizer in agricultural areas is a
sustainable and profitable way of disposing of this environmental liability. In its composition it
has elements such as phosphorus, ...
Rooting of sweet potato seedlings submitted to supplemental calcium and phosphorus nutrition on substrate
(Univ Federal Campina Grande, 2019-11-01)
The objective of this study was to evaluate the rooting and growth of sweet potato seedlings in trays in response to substrate supplementation with calcium (Ca) and phosphorus (P). Two greenhouse experiments were conducted ...
Does the stoichiometric carbon:phosphorus knife edge apply for predaceous copepods?
(Springer, 2015-06-07)
Recent work has indicated that stoichiometric food quality in terms of the carbon:phosphorus (C:P) ratio affects consumers whether the imbalance involves a deficit or an excess of nutrients; hence, organisms exist on a ...
Analysis of tooth enamel after excessive bleaching: A study using scanning electron microscopy and energy dispersive X-ray spectroscopy
(2010-01-01)
This study assessed alterations on bovine enamel after excessive bleaching. Coronal portions of bovine teeth (n = 30) were sectioned and divided into three groups (n = 10 per group). The coronal parts were further cut ...