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January 1999 - December 2004
January 2011 - September 2015
Publications
Publications (133)
É de suma importância a prática da calagem para manutenção e melhoria das características químicas do solo, bem como o alcance de máximos índices produtivos na cultura de interesse econômico, com a correção da acidez e elevando a fertilidade no perfil do solo. Este trabalho teve por objetivo avaliar as respostas das culturas da soja e as mudanças q...
Agricultural soil acidity reduces soybean yield significantly, requiring correction, especially in current systems involving no-tillage (NT) and precision agriculture. The objective of this study was to evaluate the soil chemical attributes and soybean performance after cover crops and acidity management with liming by Ca and Mg saturation in the e...
As culturas de inverno apresentam um alto potencial para a produção de forragens, as quais respondem a diferentes estratégias de cortes, surgindo a necessidade de desenvolvimento de pesquisas para determinar o melhor o número de cortes aliados a uma boa produção. O sistema de consórcios de gramíneas ainda é pouco estudado. Este trabalho teve como o...
A mobilização do solo restrita a linha de semeadura em área sob sistema de plantio direto (SPD) promove a reagregação e rearranjo da estrutura causando aumento da densidade do solo pelo tráfego de máquinas. O objetivo da pesquisa foi avaliar o efeito da escarificação associada ao uso de plantas de cobertura nos atributos físicos de um Latossolo Bru...
The lower limit of available water, usually considered the permanent wilting point, can be influenced by soil attributes and by the specific ability of plants to use retained water at low soil water potentials (Ψm). This study evaluated the Ψm at which the physiological permanent wilting point (ΨPPWP) of different crops occurs to identify the speci...
This study aims to evaluate the thorium (Th) and uranium (U) quantification in soil employing a commercial routine in a portable X‐ray fluorescence (pXRF) spectrometer. Certified reference materials (CRMs), as well as a soil sample set, were measured by pXRF and gamma‐ray spectrometry. The pXRF results showed that the thorium average detection and...
One of Brazil's efficient soil and water conservation practices is the no‐tillage system (NTS). Nonetheless, erosion during rainfall still causes soil and water losses in this system. Therefore, this study aimed to assess surface runoff in different cultivation systems and sediment production during rainfall events. In macro‐plot 1 (non‐terraced ca...
No-tillage system (NTS) plays a prominent role in conservation agriculture, however, its benefits can be further improved by adopting complementary soil management and conservation practices, such as using autumnal cover crops, contour seeding, and terraces. This study aimed to evaluate how soil biological activity responds to soil management and c...
The monocrop of winter cover crops is a common practice under no-tillage system (NTS) in subtropical environment but increase diversity of cover crop species can be an alternative to improve soil physical quality, with
positive effects on crop production. This study evaluated whether using a greater diversity of cover crop species
affects soil phys...
The effects of machinery traffic and cover crops on soil physical properties have been underexplored under no-till agricultural production in subtropical environments. The objective of this study was to quantify the soil water infiltration rate and related soil physical properties in response to tractor traffic levels (0, 2, 5, and 20 passes) and t...
ABSTRACT The objective of this study was to evaluate the effect of harvesting corn at different maturity stages for silage production combined with four storage periods, considering nutrient loss and the chemical composition of silage of the whole plant and also of grainless plants. The experiment was performed in a completely randomized design wit...
The use of physical protectors has been shown to be an efficient technique for success
direct sowing of different species, mainly in native plants. By having in view of the importance of the species Peltophorum dubium for the use of repopulation of degraded areas, afforestation and landscaping, the behavior is determined physiology of their seedlin...
ABSTRACT Soil compaction can decrease potential crop yield and is frequently found in no-till cultivation systems, but there is little information on the critical limits of soil physical properties in these conditions, especially in subtropical soils. The objectives of this study were to evaluate the influence of tractor traffic on soil physical pr...
Context
The effect of long-term gypsum on nitrogen (N) responsiveness in black oat (Avena strigosa Schreb.) forage lacks information.
Aims and methods
This study evaluated interactions between different rates of N (0, 50 and 100 kg N ha⁻¹) and gypsum (0, 3, 6, 9 and 12 Mg ha⁻¹) on the yield, nutrition and bromatology of forage black oats in a long...
Gypsum (CaSO4.2H2O) decreases the harmful effect of soil acidity on plants and provides calcium (Ca) and sulfur (S) for plant nutrition. Setaria grass (Setaria anceps Stapf) and black oat (Avena strigosa Schreb.) are forage grasses that are tolerant of low soil fertility and may be suitable as inter-row crops for Satsuma mandarin (Citrus unshiu Mar...
A “Big data”, internet das coisas, “Agro 4.0”, gêmeo digital, robótica e vários outros conceitos tendem a se concretizar no meio rural e serem ferramentas na gestão agrícola envolvendo Agricultura de Precisão e Digital. O objetivo de avaliar perspectivas e desafios da utilização de agricultura de precisão e digital nos manejos adotados em culturas...
Devido o intenso trafego de máquinas e equipamentos agrícolas para o manejo das culturas, a compactação do solo vem causando preocupação por parte de agricultores. O trabalho teve como objetivo avaliar a qualidade física de um Latossolo Bruno com níveis distintos de compactação tratorizada, na região de Guarapuava, Paraná, Brasil. O delineamento ex...
The use of physical protectors has been shown to be an efficient technique for successful direct seeding of different species, especially in native plants. Considering the importance of the species Peltophorum dubium for use in the repopulation of degraded areas, afforestation and landscaping, the physiological behavior of its seedlings was determi...
This study aimed to evaluate the effect of the integrated crop-livestock system on the contents and stocks of total organic carbon, total nitrogen, and soil organic matter. The experiment was carried out between April 2016 and February 2017, in a randomized block design in a strip-block scheme, with additional control treatment (fallow) and four re...
Soil sampling is decisive in determining its physical or chemical quality. In determining soil physical quality, methods for sampling undisturbed soil samples are not efficient from qualitative, financial, and ergonomic point of view, and it is necessary for the development of new collection methods. In this study, we developed a soil hydraulic sam...
No Brasil há poucos trabalhos acerca do cultivo da soja sucedendo pastagens anuais de inverno. Propôs-se neste trabalho avaliar a influência da densidade de semeadura da aveia preta e os manejos empregados sobre as características agronômicas e a produtividade da soja em sucessão. O delineamento experimental utilizado foi o de blocos casualizados e...
Use of trifoliate orange [Poncirus trifoliata (L.) Raf.] as a rootstock has intensified in recent years in Brazil. Objectives of this study were to evaluate the effects of lime and agricultural gypsum on concentration of nutrients in trifoliate orange. Seedlings of trifoliate orange were grown in PVC pipe columns, presenting 15 cm in diameter and 3...
A canola (Brassica napus L.) se apresenta como cultura invernal economicamente e agronomicamente interessante para produtores sul brasileiros. Há questionamento sobre a tecnologia de implantação da cultura. Assim, o objetivo neste trabalho foi avaliar o sistema de sulcamento para distribuição de adubo e da população de plantas na implantação da can...
A cultura (Triticum aestivum) do trigo expressa grande importância como alimento no mundo. Sabendo disso, o aumento da produtividade desta cultura é uma excelente linha de pesquisa, contribuindo para elevar o fornecimento de alimentos. Assim, o objetivo do trabalho foi avaliar o desenvolvimento e produtividade da cultura de trigo com aplicações seq...
A semeadura é uma operação que interfere no desenvolvimento das plantas de soja e consequentemente produtividade da cultura, que tanto mecanismos de distribuição de sementes quanto velocidade de semeadura podem prejudicar o sucesso da cultura. Neste contexto, o objetivo desse estudo foi avaliar a interferência da distribuição mecânica e pneumática...
O trigo (Triticun aestivum L.) é um dos cereais mais produzidos no mundo. Há limitações como o excesso de chuvas e altas temperaturas que facilitam a incidência de doenças, e no armazenamento de grãos, cria-se um microclima ideal, podendo ocasionar a produção de micotoxinas. Portanto esse trabalho teve como objetivo avaliar a qualidade fitossanitár...
É necessário estudo da variabilidade da compactação do solo identificada pela resistência a penetração, permitindo manejo a taxa variável com equipamentos agrícolas diante de adequada grade amostral. O objetivo deste estudo foi avaliar a variabilidade espacial da resistência à penetração com diferentes grades amostrais e indicação de manejo de um L...
O objetivo do trabalho foi avaliar a produção e decomposição da biomassa, acúmulo e ciclagem de nutrientes pelo cultivo solteiro, consorciado ou policultivo de plantas de cobertura. O estudo foi conduzido em duas áreas experimentais, no Campus Cedeteg, caracterizada como área de baixa fertilidade, e fazenda escola, caracterizada como área de alta f...
The cultivated species have ideal soil pH for absorption of nutrients and proper development, it is necessary to know the performance of nitrogen-fixing bacteria and promoting plant growth (PGPBs) at different levels of acidity, in order to increase the results to elevate crop yields with the use of technology inoculation of seeds of gramineous. Th...
Although the integrated systems of agricultural production in the no-tillage system are a viable practice for the introduction of agricultural production, there is little information about the effects of the presence of animals in agricultural areas on individuals used in the soil. The objective of present study was to physical attributes of an Oxi...
The present study evaluated the fermentation, chemical characteristics and ruminal disappearance of dry matter of silages of rye cv. Temprano harvested at the stage of floury grain, managed with or without cutting at the vegetative stage and with or without application of Fluxapyroxad + Pyraclostrobin-based fungicide at the pre-flowering phenologic...
The objective of the work was to evaluate the mechanical management of the soil and green manure cumulative during 22 months in the physical quality of the soil. The study was conducted at the UNICENTRO school farm in Guarapuava, PR. The design used was that of randomized blocks, in a 2x2x3 factorial scheme with 4 replications. Factor 1: scarificat...
Proved efficiency by Azospirillum brasilense inoculation in maize crop, raises questions about the sequential use of seeds obtained from inoculated plants, that product hormones by bacteria that affect the development of plants in low amount. It aimed to evaluate early development and physiological seed quality reinoculated corn, from cultivation a...
The objective of this work was to verify the effect of different soil compaction degree on the development of Ilex paraguariensis. The study was conducted in a greenhouse at UNICENTRO in Guarapuava, PR. For the culture implantation, pots of 0.15 m diameter were made with PVC tubes, subdivided into rings. The upper and lower ring presented thickness...
Among the measures to control
disease, the use of fungicide is the most used,
but there is still an obstacle that prevents
greater control of the disease. Instead
of many human diseases
and animals, the damage done to plants
is not eliminated, even if the pathogen
be exterminated.
Zinc (Zn) is one of the most deficient plant micronutrients in agricultural crops. The objective of this study was to evaluate plant nutrition, grain yield and nutrient export rate in response to soil and foliar Zn fertilization in common bean (Phaseolus vulgaris L.). Two field experiments in no-till system were carried out using two common bean cu...
Countless cases of the no-tillage system in compacted layers are seen, making the adoption of management practices that improve the soil physical quality necessary. In this context, this study aimed to verify the influence of mechanical and biological management on the morphophysiological characters and yield of the corn crop and dry matter of cove...
In conservation management systems, such as no-till (NT), it is important to analyze the pattern of changes in soil quality as a function of the time since adoption of the system. This study evaluated the physical fractions of organic matter and soil aggregation in management systems in areas cultivated with different times since implementation of...
The objective of this study was to evaluate the biometric and bromatological characteristics of Urochloa ruziziensis in due to inoculation times with Azospirillum brasilense in the presence or absence of nitrogen fertilization. To do so it was used a randomized blocks design, with factorial scheme 4 × 2, where the first factor consisted the inocula...
The adoption of different fertilizer application methods should consider the operational, agronomic and economic aspects. The objective of this work was to study the fertilization response with potassium in the soybean crop at different times of application and different potassium sources in an Eutroferric Red Latosol. The experiment was carried ou...
Wheat is a plant that accumulates silicon (Si). The application of silicon to the soil may influence the absorption of nutrients by the plant and, therefore, its nutritional balance. In this study, we aimed to evaluate the effects of calcium and magnesium silicate (CaSiO 3 /MgSiO 3) on the ability of wheat (Triticum aestivum L.) to utilize silicon...
This study aimed to evaluate the decomposition and nutrient release from residues of the culture
of oats and fallow in crop-livestock integration system. The experimental design was a randomized complete block design
with two replications, as parcels being formed by four managements (fallow, oats without grazing, oats grazed once and
twice), and th...
O tratamento de sementes é um método eficiente para prevenir danos iniciais de pragas às sementes e plântulas. Entretanto, ainda é necessário avaliar a influência dos inseticidas e seus efeitos na qualidade fisiológicas das sementes. O objetivo deste trabalho consistiu em avaliar a qualidade fisiológica de sementes de milho tratadas com diferentes...
1 Cultivo de uvas muscadíneas
2 Perspectivas do melhoramento da cultura do alho
3 Melhoramento genético do morangueiro
4 Resistência do tomateiro a artrópodes-pragas mediada por
aleloquímicos
5 Aspectos gerais e métodos de melhoramento genético de
sorgo
6 Controle Genético de Doenças em Milho
7 Identificação e seleção de produtos alternativos...
The frequent use of the similar formulated fertilizers has reduced the supply of micronutrients to the crops. The application of micronutrients through leaf has increased the crops productivity. In this context, this study aimed to assess the effects of copper and zinc micronutrient applications in biometric variables and grain yield of maize crop....
The purpose of this review was to characterize the wheat crop phenology under drought conditions, at different stages of crop
growth. Effects of drought on wheat plants are variable, and depend on the phenological stage of the plant as well as the duration,
intensity and frequency of the drought. The crop evapotranspiration increases over the cours...
El uso de abonos orgánicos a través del agua residual de suinocultura (ARS) puede afectar positivamente los atributos químicos del suelo, debiendo ser monitoreado, debido a que un exceso puede constituir un alto contaminante ambiental. El objetivo de este trabajo fue evaluar las alteraciones de atributos químicos del suelo y tenores foliares de los...
A utilização de protetores físicos tem se mostrado uma eficiente técnica para o sucesso da semeadura direta de diferentes espécies, principalmente em plantas nativas. Tendo em vista a importância da espécie Peltophorum dubium para a utilização no repovoamento de áreas degradadas, arborização e paisagismo, objetivou-se determinar o comportamento fis...
RESUMO: A utilização de protetores físicos tem se mostrado uma eficiente técnica para o sucesso da semeadura direta de diferentes espécies, principalmente em plantas nativas. Tendo em vista a importância da espécie Peltophorum dubium para a utilização no repovoamento de áreas degradadas, arborização e paisagismo, objetivou-se determinar o comportam...
Nowadays, the society is seeking renewable energy sources that will replace in a sustainable way,
fossil fuels. A source of energy that has stood out with great energetic potential showing itself to be
promising in the world is biodiesel. Among several alternatives, the crop, Crambe (Crambe abyssinica
Hochst) stands out as an oilseed species plant...
The increase in costs of selected and certified soybean seeds is evident in recent years. Knowing that farmers can use saved seeds, the aim of the study was to evaluate the physiological and sanitary quality of saved seeds produced in the first and the second crop in Western Parana State, Brazil, compared to commercial seeds. The experiment was con...
A soja é uma cultura de grande expressão no agronegócio. Vem promovendo o desenvolvimento de várias regiões do Brasil, possibilitando o crescimento do setor de proteína animal nas regiões onde está inserida, como a produção de frango. Porém há o desafio de gestão de resíduos desta cadeia produtiva, buscando sustentabilidade. Uma das alternativas é...
Resumo. O milho representa quase 40% dos grãos produzidos no Brasil, porém, a produtividade desta cultura é ameaçada por inúmeras doenças. Para o controle das doenças foliares, além da resistência genética tem-se preconizado o uso de fungicidas. Objetivou-se avaliar as características agronômicas de híbridos de milho de segunda safra, cultivados em...
The objective of this work was to evaluate soil quality from soil organic matter (SOM) chemical and oxidizable fractions in areas with different management systems. The study was carried out in the municipality of Guaira, in the west of the state of the Paraná, Brazil, in areas with different adoption times of the no-tillage system (NT; 6, 14, and...
The utilization of physical protectors has been considered an efficient technique for direct sowing of different species, mainly native ones. Based on the importance of the species Peltophorum dubium for revegetation of degraded areas, tree planting and landscaping, this study evaluated gas exchanges in canafistula seedlings under the influence of...
The constant assessment of methods of disease control is essential in achieving production regularity and for ongoing increments in soybean productivity. Among the various diseases, the intensity of the white mold has been increasing, caused especially by the fungus Sclerotinia sclerotiorum (Lib.) de Bary. The present work has the objective to asse...
SAP 14155 Data envio: 15/05/2016 Data do aceite: 12/08/2016 Sci. Agrar. Parana., Marechal Cândido Rondon, v. 15, n. 3, jul./set., p. 350-357, 2016 RESUMO-Existe urgência na condução de pesquisas para recomendação de doses, épocas e formas de aplicação de água residuária de suinocultura (ARS), a qual é composta de resíduos orgânicos e elementos mine...
Animals creation in confined system to standardize the quality of animal protein generates large amounts of wastes, which are predominantly used to fertilization in agriculture. The swine wastewater (SW) has chemical elements and other constituents on composition that can affect the physical quality of the soil. The aim of this study was to evaluat...
Resumen El objetivo del estudio fue evaluar las propiedades físicas del suelo, los componentes del rendimiento y la productividad de la soja en la sucesión a la avena con y sin pastoreo en el período de otoño invierno en el oeste de Paraná. El diseño experimental fue bloques al azar en el esquema de pistas con parcelas divididas y tres repeticiones...
This study aimed to evaluate the productivity and yield components of two soybean genotypes grown in a greenhouse and inoculated with diazotrophic bacteria of the genera Bradyrhizobium and Azospirillum. We adopted a complete randomized block design with four replications in a factorial 2 × 4; factor 1 was two genotypes of soybean (BMX Turbo and Coo...
O presente trabalho teve por objetivo avaliar os componentes de produção e produtividade de dois genótipos de soja cultivados em casa de vegetação e submetidos à inoculação com bactérias diazotróficas do gênero Bradyrhizobium e Azospirillum. Adotou-se delineamento em blocos ao acaso com quatro repetições, em esquema fatorial 2×4; no fator 1 foram t...
Calcium silicate (CaSiO3) applied to the soil may increase Si content in the soil and plants, as well as reduce sweating and increase water use efficiency. In this study, we aimed to investigate whether the application of CaSiO3 increased Si content in plants and interfered with gas exchange and production components in Brachiaria. The experiment w...
The utilization of physical protectors has been considered an efficient technique for direct sowing of different species, mainly native ones. Based on the importance of the species Peltophorum dubium for revegetation of degraded areas, tree planting and landscaping, this study evaluated gas exchanges in canafistula seedlings under the influence of...
Objetivou-se investigar a interação entre as bactérias A. brasilense e H. seropedicae associadas à adubação nitrogenada, visando o fornecimento de nitrogênio para o milho. O delineamento experimental adotado foi de blocos ao acaso, em esquema fatorial 4 x 3, com quatro repetições. O primeiro fator foi formado pelos tratamentos: sem inoculação, inoc...
Calcium silicate when applied to the soil may cause changes in the chemical soil since it is a source of silicon, calcium and magnesium. The objective of this study was to evaluate the effect of calcium silicate on the chemical properties of an Oxisol. The experiment was conducted in a greenhouse with a randomized complete block design, with five d...
Soil structure is one of the most important attributes for the adaptation of the species and can be evaluated by the density of the soil, macro and micro porosity, aggregate stability, soil strength and permeability, mainly to compare different management systems. In this context, the objective of this study was to evaluate the soil physical proper...
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Melhorias das propriedades químicas do solo e do desenvolvimento das culturas com aplicação de silicato foi confirmado em várias espécies de plantas. Os efeitos da aplicação de silicato nas propriedades químicas do solo e crescimento do trigo foram investigados no presente estudo. O experimento foi realizado em vasos plásticos de 8 L em estufa....
p>An improvement in soil chemical properties and crop development with silicate application has been confirmed in several plant species. The effects of silicate application on soil chemical properties and wheat growth were investigated in the present study. The experiment was carried out in 8-L plastic pots in a greenhouse. Treatments were arranged...
In the bid to get increased yield of soybean, several studies on biological fixation of nitrogen have been done in order to enhance the results of this technology with cellular additives and micronutrients. The aim of this study was to evaluate the use of inoculant (Bradyrhizobium japonicum SEMIA and 5019) associated with cellular additives, cobalt...
Gypsum can improve the soil chemical properties; thus, affecting positively root growth and crop yield in acid soils with high aluminum (Al 3+) levels. However, few studies show the relationships between nutrients leached, base balance and base saturation in soils with high Ca 2+ levels at surface and subsurface. This study aimed to evaluate the ef...
The limitation of natural resources coupled with growing demand for fertilizers to sustain increased crop productivity ally to meet world demand for food intensifies the search for greater efficiency in fertilizer use. The objective of this study was to evaluate the response of phosphorus fertilization on wheat plants, noting its influence on the a...
The gypsum has elevated calcium and sulfur in the soil, and there are reports of increased grain yield of soybean with reduced number of plants, being necessary in conjunction with economic return on investment. This study investigated the effect of application superficial of gypsum and different numbers of plants in precision seed drill in the nut...
The effects of plant growth promoting bacteria (PGPB) on the initial growth and leaf gas exchange parameters of maize plants (Zea mays L.), and bacterial population of the root and non-rhizosphere soil were investigated under different soil acidity levels. Maize plants were grown in 13-L pots filled with clayey Rhodic Hapludox in a greenhouse. Trea...
The effects of diazotrophic bacteria inoculation associated to phosphate fertilization on plant growth and leaf gas exchange parameters in maize plants (Zea mays L.) were investigated in the present study. Maize plants were grown in 13-L pots filled with clayey Rhodic Hapludox in a greenhouse. Treatments were arranged in a randomized block design i...
RESUMO: O feijoeiro comum (Phaseolus vulgaris L.) é uma leguminosa cultivada em todo
mundo, considerada uma das principais fontes de proteína para a alimentação humana e um
dos principais alimentos de consumo direto. O Brasil é um grande consumidor e produtor de
feijão, responsável por cerca de 14% da produção mundial. O Paraná é o estado que possu...
The use of physical protectors has been considered as an efficient technique for tillage farming of different species, mainly native ones. Based on the importance of the species, Peltophorum dubium for revegetation of degraded areas, this study evaluated the emergence, survival and initial development of P. dubium seedlings under the influence of p...
Carbon stock, chemical and physical properties of soils under management systems with different deployment times in western region of Paraná, Brazil 1 Estoque de carbono, propriedades químicas e físicas do solo em sistemas de manejo com diferentes tempos de implantação na Região Oeste do Paraná, Brasil Abstract The objective of this study was evalu...
This work aimed to evaluate the morphological characteristics of maize inoculated with Azospirillum brasilense (AbV5) and Herbaspirillum seropedicae (SmR1) by seeds treatment, grown in four different types of soil from the Western region of Paraná. The experiment was conducted in a greenhouse at State University of Western Paraná. The used experime...
The passion fruit is among the major fruit crops grown in Brazil, being propagated by seeds due to ease of implementation. However, obtaining seeds of quality is associated with the proper time of collection. Thus, the objective was to determinate the physiological maturity of seeds of passion fruit (Passiflora edulis f. flavicarpa Degener) using t...
Influence of soil density on the early growth of Jatrophacurcas L. cultivated in Oxisol The objective of this work was to evaluate theinfluence of soil densities on the early growth ofthephysic nut(JatrophacurcasL.). The experiment wascarried out in 10.6 dm 3 pots in a greenhouse.The soilused in the experiment wasa clay-texture Oxisolcollected in M...
The objective of this study was to evaluate yield components, leaf nitrogen content and grain yield in corn as affected by row spacing, plant density and nitrogen topdressing. The experiment was conducted with the single-cross hybrid AG 8021, in the municipality of Toledo-PR, in an Oxisoil under no-tillage system, in the crop year 2005/ 2006. The e...
Atributos químicos do solo e desenvolvimento da cultura do trigo em função da adubação silicatada Attributes of soil chemical and development of culture wheat for each silicon fertilization Resumo. A aplicação de silicato de cálcio pode promover melhorias nos atributos químicos do solo e, consequentemente, incrementar a disponibilidade de nutriente...
The balanced fertilization is crucial for obtaining a good plants growth and achieve good productivity indices. The aim of this study was to evaluate the performance of eggplant (Solanum melongena L.) under different doses of nitrogen (N) and Phosphorus pentoxide (P 2 O 5) performed separately. The study was conducted in 5 liter-pots arranged in a...
This study aimed to assess the nutritional status, yield components and grain yield of corn hybrid 30F35 cultivated Oxisol in no-tillage for 12 years, located in Tupãssi/PR, with different phosphate sources.The experimental design was a randomized block design with 10 treatments and four replications. Treatments were arranged in a 5 x 2 factorial c...
An improvement in soil properties and crop development with silicate application has been confirmed in several plant species. This study investigated the effect of application of calcium silicate on nutrition and yield of wheat (Triticum aestivum L.). Wheat plants were grown in 8-L pots filled with clayey Rhodic Hapludox in a greenhouse. The experi...
It is recommended to use phosphorus and potassium fertilization on soybean; however it has been common to verify the absence of effect on crop productivity, especially in no-tillage system. Thus, the study aimed to evaluate the effect of doses of superphosphate and potassium chloride in the leaf tissue nutrient content and yield of soybean growing...
Os solos tropicais têm a matéria orgânica como um dos principais componentes responsáveis pela manutenção da sua qualidade. Com a remoção da vegetação nativa para a implantação de sistemas de cultivo (substituição de ecossistemas naturais por agroecossistemas com culturas), tem sido observada redução na quantidade de matéria orgânica desses solos....
Initial development of plants of Peltophorum dubium and Leucaena leucocephala inoculated with diazotrophic bacteria. This research aimed to evaluate the influence of diazotrophic bacteria on initial development of Peltophorum dubium and Leucaena leucocephala in greenhouse. The experimental design was a randomized block in factorial 2 x 4 with four...
The aim of this study was to assess the nematicidal activity of the essential oil of Rosmarinus officinalis applied directly to the soil to control Meloidogyne javanica and Pratylenchus brachyurus in soybean. The experiments were conducted in the greenhouse in a fully randomized design with a 4 x 2 factorial arrangement consisting of four concentra...
