William Macedo Delarmelina

• Delarmelina, W. D.
• Professor at Instituto Federal de Educação Ciência e Tecnologia do Espírito Santo

This experiment aimed to compare combinations of sewage sludge-based substrates on the growth of Acacia mangium seedlings by principal component analysis (PCA) and orthogonal contrasts (OC). It was conducted in structures of a forest nursery, localized in Southeast of Brazil, in 280 cm³ tubes constituted by 14 treatments and 5 replicates of four pl...

The aim of this study was to test the use of sewage sludge as substrate with different components in the production of seedlings of Acacia mangium. The study was conducted in the Nursery Department of Forest Science and Wood Center for Agricultural Sciences, Federal University of Espírito Santo-UFES, Alegre. The treatments consisted of sewage sludg...

Este estudo teve por objetivo avaliar o efeito do biossólido como componente do substrato para produção de mudas de Tectona grandis Linn. F. O experimento foi realizado em seis tratamentos com cinco repetições cada, sendo cada repetição constituída da média de cinco mudas. Os tratamentos foram formulados com as seguintes proporções de biossólido:su...

The demand for wood for various purposes increases dramatically to meet the demand and need to produce forest seedlings in quantity and quality, to establish good stands. In this sense, the success of forest plantations is not linked solely to the species used, but directly depends on the type of container, the quality of seeds and substrate used....

The success concerning forest plantations is not only dependent on the species used, but is also directly related to the kind of container, seeds quality and substrate used. Thus, this study aimed at evaluating the use of sewage sludge, together with vermiculite, in the composition of substrates used for producing Eucalyptus grandis seedlings from...

Native species planted in areas previously occupied by degraded pasture can play an important role in biomass supply and atmospheric carbon sequestration. Evaluating the performance of native species in different planting spacings becomes important for forestry and the management of new species with economic potential. Schizolobium parahyba var. am...

Forests play a crucial role in the global carbon cycle. Among the factors that can affect carbon stocks in forest stands, planting spacing stands out. This study verified the effect of spacing on biomass and carbon stock in a stand of Anadenanthera peregrina (L.) Speg at 56 months of age. They were planted with 3 x 2 m, 3 x 3 m, 4 x 3 m, 4 x 4 m an...

Ontogenetic aging of tissues and the gradual decrease of adventitious rooting are known challenges for the clonal propagation of woody species, hampering clonal forestry programs. This study examined possible signatures of tissue rejuvenation/reinvigoration in different propagated materials of Eucalyptus microcorys by analyzing the total protein pr...

This study aimed to explore the physical and chemical attributes of the soil and to spatialize the soil organic carbon stock in a stretch of Atlantic Forest by evaluating four soil layers and the interrelationships of physical and chemical attributes as well as the spatialization of soil organic carbon stock by applying cokriging interpolation. Thu...

Key message Plantations of two multipurpose legume species markedly differ in stand development and functioning. The sustainability of tree plantations can be inferred from their ecological strategies along the fast-slow economic spectrum. Abstract Growing plantations with native trees is crucial for ecosystem restoration and wood and non-wood pro...

Litter dynamics is one of the fundamental processes for the growth and maintenance of native forest fragments, being considered the main pathway for nutrient cycling in forests. Therefore, studies on accumulated litter and nutrient content provide information for a better understanding of nutrient dynamics. The aim of the study was to evaluate leaf...

Litter dynamics is one of the fundamental processes for the growth and maintenance of native forest fragments, being considered the main pathway for nutrient cycling in forests. Studies on litter production and nutrient content therefore provide insights that provide a better understanding of nutrient dynamics. This study identifies the seasonality...

HIGHLIGHTS 26 27 • NF regenerated after coffee was the most depleted soil fertility and SOC storage 28 • Grass pasture and legume plantations showed smaller soil acidity and larger base 29 concentration than NF areas 30 • SOC was large in NF regenerated after selective cutting and grass pasture 31 • Legume trees decreased SOC storage by 35% after p...

Microplants of Eucalyptus microcorys were produced through indirect organogenesis, and the interaction of plant growth regulators (PGRs) (TDZ-thidiazuron and NAA-α-naphthalene acetic acid), juvenile tissues (cotyledon and hypocotyl) and different types of polylactic acid (PLA) microvessels on plant production were evaluated. Cotyledon-derived callu...

Nitrogen-fixing legumes are widely used to improve ecosystems. However, N accumulation in biomass, N2 amounts biologically fixed, and the effects on soil N status are poorly understood for plantations with slow-growing N2-fixing legume trees in seasonally dry environments. In this study, we assessed these questions in monospecific stands of uninocu...

We investigated the nitrogen pools in monocultures of legume species widely used in reforestation in Brazil that have contrasting growth and nitrogen acquisition strategies. The plantations were established with the slow-growing and N2-fixing tree Anadenanthera peregrina var. peregrina, and the fast-growing and non-fixing tree Schizolobium parahyba...

In the production of forest seedlings one of the main factors to be analyzed is the formulation of the substrate that meets the needs of the plants that will be produced. For this, the choice of substrate must consider the physical characteristics of the material, its chemical composition, as well as its availability, quality, easy handling and cos...

RESUMO: Informações a respeito da sazonalidade, quantidade e qualidade da serapilheira acumulada fornecem subsídios para um melhor entendimento da dinâmica da ciclagem de nutrientes nos ecossistemas terrestres. Diante disso, este estudo objetivou quantificar a serapilheira acumulada e determinar o seu teor e conteúdo de nutrientes, em três diferent...

The objective of this work was to understand the relationship between decomposition of leaf litter and climatic elements and determine the mineralization of nutrients in the decomposition process in a fragment of Semideciduous Submontane Forest, located in southern state of of Espírito Santo. Overall, 84 litterbags were deposited in 12 permanent pl...

The use of organic wastes as primary source of nutrients can contribute to reducing the dependence on inputs, besides being a sustainable destination for these materials. This study aimed to evaluate the quality of Aegiphila sellowiana seedlings grown in substrates composed of different proportions of sewage sludge, organic wastes and vermiculite....

Resumo: A mato-competição é um dos fatores mais importantes quando se trata de alterações do grau de interferência em plantios florestais, tendo em vista aspectos técnicos como diferentes espécies, sua distribuição e densidade, fatores que embasam as medidas de controle. Objetivou-se com este estudo avaliar a influência da mato-competição de capim-...

This study aimed to develop equations to predict the biomass of trunks, branches, needles and total individual biomass for Pinus caribaea var. hondurensis . A simultaneous equation system was also adjusted. Twenty (20) trees from the experimental area of the State University of Southwest Bahia (UESB), Vitória da Conquista, Bahia, Brazil, were measu...

The composition of the substrate utilized as a growth medium is directly related to the seedling quality, being important the conduction of studies seeking an increased understanding of its formulation for seedling production. The objective of this study was to check the potential of the biosolid, cattle manure and coconut fiber in the evaluation o...

O objetivo desse trabalho foi selecionar indivíduos da espécie Schizolobium parahyba var. amazonicum (Huber ex. Ducke) Barneby, localizados em uma área de floresta plantada no Espírito Santo, para serem utilizados como matrizes constituindo um futuro pomar de sementes, que possam subsidiar plantios comerciais na obtenção de madeira. Para isto, foi...

O presente estudo teve por objetivo avaliar a produção de mudas de Mimosa setosa a partir do uso de diferentes combinações de substratos, sendo eles: esterco bovino, cama de frango, esterco de codorna e substrato comercial. O experimento foi conduzido no Viveiro Florestal do Centro de Ciências Agrárias da Universidade Federal do Espírito Santo, sen...

A produção de mudas florestais é uma das fases mais importantes para o estabelecimento de bons povoamentos com espécies nativas. Portanto, o substrato exerce influência significativa no crescimento das mudas, e vários são os materiais que podem ser utilizados na sua composição original ou combinados. O objetivo deste trabalho foi avaliar o crescime...

Este estudo teve como objetivos caracterizar a fertilidade do solo e estimar a produção e o acúmulo de serapilheira, bem como o retorno de nutrientes ao solo em um fragmento de Floresta Estacional Semidecidual Submontana, ES. O estudo foi realizado na Reserva Particular do Patrimônio Natural Cafundó, localizada em Cachoeiro de Itapemirim, Espírito...

O objetivo do estudo foi avaliar o crescimento das mudas de Senna alata com uso de diferentes combinações e proporções de resíduos orgânicos, sendo eles: lodo de esgoto, palha de café in natura e composto orgânico (palha de café in natura e esterco bovino), além do substrato comercial. O experimento foi conduzido no Viveiro Florestal do Centro de C...

Resumo O presente estudo teve como objetivo testar a utilização de lodo de esgoto e resíduos orgânicos na composição de substratos para a produção de mudas de Eucalyptus grandis Hill ex Maiden. O experimento foi conduzido no Viveiro Florestal do Centro de Ciências Agrárias da UFES, em Alegre, ES, constituindo-se de delineamento inteiramente casuali...

RESUMO A produção de mudas de espécies florestais nativas visa a atender aos plantios, principalmente para fins ambientais, tais como a recuperação de áreas degradadas. Para intensificar os conhecimentos sobre espécies com potencial de recuperação de áreas degradadas, este trabalho teve como objetivo avaliar a utilização de diferentes substratos no...

The aim of this study was to test the use of sewage sludge as substrate with different components in the production of seedlings of Acacia mangium. The study was conducted in the Nursery Department of Forest Science and Wood Center for Agricultural Sciences, Federal University of Espírito Santo- UFES, Alegre. The treatments consisted of sewage slud...

Resumo: A recuperação de uma área degradada consiste em torná-la novamente produtiva, seja para fins de conservação ou produção e para isso é necessário gerar conhecimentos relacionados para adequar procedimentos técnicos para a esta prática. Diante disso, este estudo teve por objetivo avaliar a biomassa e concentração de nutrientes acima do solo,...

Resumo: Os resíduos industriais, urbanos ou agropecuários podem ser utilizados como fonte de nutrientes visando contribuir para a redução dos custos de produção de mudas. O objetivo deste trabalho foi determinar a concentração e a quantidade de nutrientes em mudas de Tectona grandis produzidas em substrato orgânico. As mudas foram produzidas em tub...

Growth of seedlings of Eucalyptus grandis using sewage sludge, coconut fiber and straw of coffee in natura. The present study aimed to test the use of sewage sludge and organic waste in substrate composition for the production of seedlings of Eucalyptus grandis Hill ex Maiden. The experiment was conducted at the Forest Nursery Center for Agricultur...

O objetivo desse trabalho foi avaliar o crescimento de mudas de Mimosa setosa com o uso de diferentes combinações de resíduos renováveis, sendo eles: lodo de esgoto, casca de arroz carbonizada e palha de café in natura, além do substrato comercial. As mudas foram produzidas em tubetes com capacidade de 120 cm3, permanecendo 120 dias na casa de somb...

Resumo: O objetivo do estudo foi avaliar o crescimento das mudas de Senna alata com uso de diferentes combinações e proporções de resíduos orgânicos, sendo eles: lodo de esgoto, palha de café in natura e composto orgânico (palha de café in natura e esterco bovino), além do substrato comercial. O experimento foi conduzido no Viveiro Florestal do Cen...

Resumo O objetivo desse trabalho foi avaliar o crescimento de mudas de Senna alata com uso de diferentes combinações de resíduos, sendo eles: lodo de esgoto, fibra de coco, vermiculita, casca de arroz in natura e substrato comercial. O experimento foi conduzido no Viveiro Florestal do Centro de Ciências Agrárias da Universidade Federal do Espírito...

The aim of this study was to evaluate the growth of seedlings of Senna alata using different combinations of residues, which are: sewage sludge, carbonized rice husk, straw coffee in natura and commercial substrate. The experiment was conducted in the Nursery Center for Agricultural Sciences, Federal University of Espírito Santo, and mounted in a c...

Na fase de produção de mudas, o substrato exerce influência significativa no crescimento das plantas, e sua utilização pode ser feita de forma original ou combinados, tornando necessário, estudos voltados para obtenção de substratos capazes de garantir adequado crescimento e qualidade das mudas produzidas em viveiro. Visando contribuir para o conhe...

The sewage sludge is a waste from sewage treatment plants, which can be used in formulations of substrates for seedling production. This study aimed to evaluate the effects of different proportions of sewage sludge, soil and commercial substrate on the growth characteristics of Tectona grandis seedlings in tubes of 120 cm³ volume capacity. The sewa...

The objective of this study was to evaluate the potential of sewage sludge and organic waste as component of substrate for Chamaecrista desvauxii seedlings production. It was established ten treatments using four types of substrate: sewage sludge, carbonized rice hull, coffee straw and commercial substrate in different proportions. When the seedlin...

Diferentes proporções de biossólido na composição de substratos para a produção de mudas de timbó (Ateleia glazioveana Baill) Different proportions of sewage sludge bio solids in the composition of substrates for the production of seedlings of timbo (Ateleia glazioveana Baill) Resumo O objetivo deste trabalho foi avaliar os efeitos da utilização de...

The objective of this work was to evaluate the effect of sewage sludge (bio solid) use as a component of the substrate for timbó seedlings production. We tested the following proportions (v/v) of bio solids (BIO) + commercial substrate (CS) + subsoil (TS): T1-20+70+10; T2-40+50+10; T3-60+30+10; T4-80+10+10; T5-90+0+10; T6-0+90+10. Seedlings were so...

RESUMO Este trabalho teve como objetivo avaliar o teor de nutrientes em solos sob sistemas agroflorestais manejados com e sem queima da vegetação, em uma propriedade de agricultura familiar na comunidade Benjamim Constant, no município de Bragança-PA. Para o desenvolvimento deste estudo, foram estabelecidas três áreas experimentárias: 1) sistema ag...

This study aimed to evaluate the effect of biosolids as component of substrate for seedlings of Tectona grandis. The experiment was improved in six treatments with five repetitions each, such repetitions consisted of an average of five seedlings. The treatments were formulated with the following proportions of biosolids: commercial substrate (v:v);...