Substrates of Mauritia flexuosa and wastewater from pig farming on growth and quality in seedlings of Acacia mangium

Araújo, Emanuel França; Arauco, Adriana Miranda de Santana; Dias, Bruna Anair Souto; Silva, Gustavo Cassiano da; Nóbrega, Rafaela Simão Abrahão

doi:10.5935/1806-6690.20180034

Cited by 5 publications

(4 citation statements)

References 2 publications

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“…The use of SFW in production of the forage turnip resulted in greater crop quality when evaluating plant height, root length, basal diameter, number of plants per area, root volume, leaf area and fresh and dry biomass weight (PEGORARO et al, 2014). Araújo et al (2018) found that, except for nodulation, the growth and quality of Acacia mangium Willd seedlings did not differ for the use of SFW or well water when irrigating this species, which suggests that the use of this effluent is a viable alternative for the production of quality seedlings.…”

Section: Resultsmentioning

confidence: 90%

Wastewater from swine farming in the growth and nutrition of Khaya senegalensis (DESR.) A Juss seedlings

et al. 2019

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This study evaluated the use of wastewater from swine farming in the growth and nutritional balance of Khaya senegalensis (Desr.) A. Juss. (African mahogany) seedlings. The experiment was setup in a shade house on the Professor Cinobelina Elvas Campus of the Federal University of Piauí, in Bom Jesus, in the State of Piauí, Brazil. The experimental design was completely randomised, with five concentrations of swine farm wastewater (SFW) (0, 25, 50, 75 and 100%) added to the irrigation water. The growth and nutritional balance of the seedlings were evaluated 100 days after sowing, by measuring shoot height (H), stem diameter (SD), number of leaves (NL), total chlorophyll (TC), leaf area (LA), shoot dry weight (SDW) and root dry weight (RDW), and by calculating the total dry weight (TDW), leaf (LBA), stem (SBA), and root (RBA) biomass allocation, Dickson Quality Index (DQI) and average Nutritional Balance Index (NBIm). It was found that K. senegalensis seedlings responded to the SFW, showing the best results for growth and nutritional balance at concentrations of around 50%.

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Section: Resultsmentioning

confidence: 90%

Wastewater from swine farming in the growth and nutrition of Khaya senegalensis (DESR.) A Juss seedlings

et al. 2019

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“…Adopting organic material that would be discarded as an alternative substrate is an important outlet for reuse and for the production of economically viable and ecologically sustainable seedlings, in addition to producing quality seedlings (KRATZ et al, 2013). In previous studies, the compounds evaluated in our research were characterized by their chemical and physical characteristics (BECKMAN-CAVALCANTE et al, 2011;SILVA JÚNIOR et al, 2014;BRITO et al, 2017;ARAÚJO et al, 2018;SANTOS et al, 2020), allowing a brief knowledge about possible effects on the production process of T. indica seedlings.…”

Section: Discussionmentioning

confidence: 99%

Organic substrates and their effects on the emergence and initial growth of Tamarindus indica seedlings

Amaral¹,

Abreu²,

Fonseca³

et al. 2020

RICA

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The reuse of organic waste and destination as alternative substrates becomes an important strategy for the production of economically viable and ecologically sustainable forest seedlings. Thus, the objective of the study was to evaluate the influence of different substrates and compositions (proportions) on the emergence and initial growth of Tamarindus indica seedlings. For this, nine different substrates were formulated: bovine manure (EB), buriti paú (PB) and carnauba residue (RC) in the proportions of 75%, 50% and 25% complemented with washed sand and an additional treatment only with washed sand, considered as control. T. indica seeds were sown and conducted for 50 days. The following were evaluated: emergency speed index; mean emergence time, height of the shoot, diameter of the stem, number of leaves, length of the root system, dry mass of the shoot, dry mass of the root system, total dry mass and Dickson's quality index. For the variables of emergence of tamarind seeds, treatments with bovine manure and 25% buriti paú more efficient. In the growth of the seedlings, the best results of diameter, number of leaves, production of dry mass of the root system, aerial part or total part of the seedlings, in addition to Dickson's quality index were found in the proportion of 50% of bovine manure, followed by buriti paú. These results indicate that the substrates bovine manure and paú de buriti in the proportion 50% are the most suitable for the preparation of substrate for the production of T. indica seedlings.

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“…A DQO obtida foi de 9996,0 mg L -1 e pH de 7,46. Araújo et al (2018) irrigaram mudas de Acacia mangium com água residuária da criação de suínos (ARS) e constataram que isso não afetou significativamente no crescimento delas. Além do pH, de 7,25, caracterizaram a ARS considerando a condutividade elétrica, que foi de 4,15 mS cm -1 e elementos como nitrogênio, fósforo, potássio, cálcio, magnésio e enxofre.…”

Section: Caracterização Das áGuas Residuárias Utilizadas Na Fertirrigunclassified

Uso dos efluentes da suinocultura na fertirrigação: O caso de uma agroindústria familiar

Machado

Ferrarez

Junior

et al. 2019

AGROPECUÁRIA NO SEMIÁRIDO

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A produção agrícola e a criação de animais (rebanho, abate e produção de carne) são importantes setores econômicos do Brasil, resultando na geração de efluentes com alta carga orgânica, oriundos das lavagens dos currais, por exemplo. O despejo indevido em corpos hídricos ou solos, pelo lançamento de efluentes ou pela irrigação, pode comprometer a qualidade desses recursos, visto que existem padrões de lançamento desse residual estabelecendo limites máximos de concentrações de vários compostos. Assim, o trabalho analisou alguns casos de fertirrigação da literatura e apontou o que vem sendo feito na agroindústria em questão, considerando visitas técnicas, entrevistas com o gestor e proprietário, como também algumas análises físico-químicas do efluente, que foram de 978,4 ± 69,9 mg L-1 de DBO, 1948,2 ± 222,8 mg L-1 de DQO e pH 6,8 ± 0,09. Constatou-se que o uso da fertirrigação, mesmo com vários benefícios, pode causar danos ao solo e à água, pois necessita-se considerar as análises físico-químicas do efluente e do solo irrigado com o efluente. Portanto, para assegurar a efetividade dessa prática na agroindústria, é imprescindível realizar análises do solo a ser fertirrigado para diagnosticar sua atual condição, tanto em termos de possível acúmulo ou lixiviação dos nutrientes.

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Substrates of Mauritia flexuosa and wastewater from pig farming on growth and quality in seedlings of Acacia mangium

Cited by 5 publications

References 2 publications

Wastewater from swine farming in the growth and nutrition of Khaya senegalensis (DESR.) A Juss seedlings

Wastewater from swine farming in the growth and nutrition of Khaya senegalensis (DESR.) A Juss seedlings

Organic substrates and their effects on the emergence and initial growth of Tamarindus indica seedlings

Uso dos efluentes da suinocultura na fertirrigação: O caso de uma agroindústria familiar

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