Deonir Secco
YOU?
Author Swipe
View article: PERFORMANCE ASSESSMENT OF AN ELECTRICITY MICROGENERATION PLANT USING BIOGAS
PERFORMANCE ASSESSMENT OF AN ELECTRICITY MICROGENERATION PLANT USING BIOGAS Open
The operating costs and investment in microgeneration plants are high, and the maximum efficiency of the process should be targeted such that farmers can obtain the best financial returns. In this study, the efficiency of a microbiogas pla…
View article: THERMAL PERFORMANCE OF GREEN ROOFS INFLUENCED BY SUBSTRATE COMPOSITION
THERMAL PERFORMANCE OF GREEN ROOFS INFLUENCED BY SUBSTRATE COMPOSITION Open
The selection of materials and substrates is essential for optimizing the thermal performance of green roofs. However, there has been limited research on green roof characteristics under subtropical conditions. Therefore, this study aims t…
View article: Impacts on soil quality with the use of organic fertilizers
Impacts on soil quality with the use of organic fertilizers Open
The use and management of soil has an impact on its quality and agricultural productivity. Organic fertilization has become an alternative to mineral fertilization due to its ability to supply plants with nutrients. However, excessive use …
Physiological quality of chia seeds as a function of coat color and fungicide treatment Open
Chia (Salvia hispanica L.) seeds have attracted great economic interest for their high levels of linoleic and α-linolenic acids. In Brazil, there is a lack of studies on the agronomic characteristics and physiological quality of chia, nece…
Intensifying Cadmium remediation: the impact of synergy between Crambe abyssinica and plant growth-promoting microorganisms Open
Cd, a toxic metal, is naturally found in the environment and is exacerbated by human activities such as mining, agriculture, and industrial processes. Its contamination in soils poses serious risks to human health and ecosystems, prompting…
Influence of tillage practices and rainfall intensity on runoff and soil erosion under simulated rainfall Open
This study aimed to evaluate the impact of various soil preparation practices, rainfall intensities and slopes using a rainfall simulator. Three land preparation methods (mulching, terracing, and terracing + ditches), three rainfall intens…
Assessing thiamethoxam environmental distribution in successively cultivated corn: insights from drainage lysimeter and laboratory studies Open
The insecticide thiamethoxam (TIA) is commonly used in soybean and corn rotation systems, raising concerns about its environmental impact amid climate change. This study evaluated TIA mobility in Oxisol using percolation lysimeter, focusin…
View article: AGRICULTURAL TRACTOR ENGINE PERFORMANCE AND EMISSIONS USING BIODIESEL-ETHANOL BLENDS
AGRICULTURAL TRACTOR ENGINE PERFORMANCE AND EMISSIONS USING BIODIESEL-ETHANOL BLENDS Open
To meet environmental standards and sustainability policies, diesel-biodiesel-ethanol blends have been investigated as partial replacements for diesel. This study aimed to evaluate the emissions and performance of a diesel engine using a b…
Modeling nutrient losses in an Oxisol under different management systems and rainfall events Open
This study aimed to model nutrient losses in an Oxisol under varied soil properties and vegetation cover. The experimental area was located at the Paraná Rural Development Institute, in Santa Tereza do Oeste, Paraná, Brazil. The treatments…
Long-term effects of cover crops on physical-hydric properties of compacted soil Open
The screening of cover crops is essential for improving the physical-hydric properties of compacted soils. This study aimed to evaluate the effects of mixed or single cover crops on improving the physical-hydric properties of compacted Oxi…
View article: PERFORMANCE OF DIFFERENT ENGINES IN BIOGAS-BASED DISTRIBUTED ELECTRICITY GENERATION SYSTEMS
PERFORMANCE OF DIFFERENT ENGINES IN BIOGAS-BASED DISTRIBUTED ELECTRICITY GENERATION SYSTEMS Open
Different mechanical configurations of diesel engines, when powered by biogas, can influence engine performance and efficiency. Consequently, this study aims to evaluate various generator engines to determine the optimal configuration for …
View article: COMPARISON OF EMISSIONS AND ENGINE PERFORMANCE OF CRAMBE BIODIESEL AND BIOGAS
COMPARISON OF EMISSIONS AND ENGINE PERFORMANCE OF CRAMBE BIODIESEL AND BIOGAS Open
The combination of crambe (Crambe abyssinica L.) biodiesel and biogas could be a renewable energy alternative for internal combustion engines. Therefore, the emissions and engine performance of crambe biodiesel blends (B0, B10, B30, B50, B…
View article: COMPARISON OF EMISSIONS AND ENGINE PERFORMANCE OF CRAMBE BIODIESEL AND BIOGAS
COMPARISON OF EMISSIONS AND ENGINE PERFORMANCE OF CRAMBE BIODIESEL AND BIOGAS Open
The combination of crambe (Crambe abyssinica L.) biodiesel and biogas could be a renewable energy alternative for internal combustion engines. Therefore, the emissions and engine performance of crambe biodiesel blends (B0, B10, B30, B50, B…
View article: Soil Structure under Forest and Pasture Land-Uses Affecting Compressive Behavior and Air Permeability in a Subtropical Soil
Soil Structure under Forest and Pasture Land-Uses Affecting Compressive Behavior and Air Permeability in a Subtropical Soil Open
Machinery traffic and animal trampling can deform the soil and, consequently, impair soil pore functioning. This study aimed to evaluate how soil structure affects the compressibility, physical properties and air permeability of a Typic Pa…
View article: Change in injection angle as alternative for diesel engine fueled with biodiesel blends
Change in injection angle as alternative for diesel engine fueled with biodiesel blends Open
Biodiesel properties have a significant impact on engine performance. The disadvantages of biodiesel include poor atomization. To overcome this problem, engine parameters such as the injection angle can be changed. The objective of this st…
View article: Contribution of the carbonized rice husk added to the substrate in the production of vegetable seedlings
Contribution of the carbonized rice husk added to the substrate in the production of vegetable seedlings Open
The carbonized rice husk (CRH) is an agro-industrial residue with great potential for use in mixtures with other substrates for the production of vegetable seedlings. Thus, the purpose of this study was to evaluate the effect of the additi…
ADEQUATE USE OF NITROGEN ASSOCIATED WITH MOLYBDENUM IN CRAMBE CROP Open
Crambe is serving as alternative oilseed for biodiesel production, however, there are still impediments to commercial expansion because need more information about adequate fertilization. The study aimed evaluating adequate nitrogen rate a…
Crambe grain yield affected by compaction degrees of an Oxisol Open
Crambe is a new crop that produces oil used for biodiesel production. Soil compaction in a no-tillage (NT) system is one of the main challenges for sustainable grain production in soil clay. The objective of this study was to evaluate the …
IMPACT OF AFFORESTATION WITH Pinus taeda L. IN POROSITY AND PERMEABILITY OF A HAPLUMBREPT Open
The aim of this study was to evaluate the influence of the introduction of Pinus taeda L. in the physical properties and quality of a Haplumbrept, under native grassland. The study was conducted in Cambará do Sul-RS, Brazil. For this, two …
View article: Use of cover crops in Oxisol and its effects on yield and soybean oil content
Use of cover crops in Oxisol and its effects on yield and soybean oil content Open
In the no-tillage system, soils generally exhibit some degree of compaction that limits agricultural production. In this scenario, the use of soil cover plants is one of the alternatives capable of improving the structural quality of the s…
Spatial distribution of physical attributes of a clayey Latosol under different management systems Open
The use and management of the soil cause occasional changes in its physical properties; thus, altering its spatial variability. This work aimed to show the spatial distribution of physical attributes of a clay latosol under different manag…
Root and shoot growth in safflower as affected by soil compaction Open
Soil compaction, induced by no-tillage practices, can negatively impact soil properties important for plant growth. Compacted soils can restrict root growth depth, resulting in reduced crop yield. Although safflower (Carthamus tinctorius) …
Response of chia (Salvia hispanica) to sowing times and phosphorus rates over two crop cycles Open
Chia (Salvia hispanica) is an annual oilseed crop of high nutritional value. This study aimed to analyze the performance of chia plants sown at different times and grown under different phosphorus rates. The experiment was conducted under …
Use of mufla oven calcination method in oil quantification of chia seeds Open
Chia (Salvia hispanicaL.) is an annual herbaceous plant considered as natural omega-3 fatty acids source. To quantify this oil in seeds, a time-consuming method involving financial costs with chemical reagents is used. The objective of thi…
View article: Seeds of Carthamus Tinctorius Submitted to Hydration: Morphological Aspects and Emergence
Seeds of Carthamus Tinctorius Submitted to Hydration: Morphological Aspects and Emergence Open
The present study aimed to evaluate the initial development of safflower genotypes (Carthamus tinctorius) after different periods of seed hydration. For the study two experiments were evaluated. At first, an experiment was performed with 0…
Phytotoxic Effect of Brachiaria decumbens Extract on the Development of Eucalyptus urograndis Seedlings Open
The objective of this work was to evaluate the phytotoxic effect of Brachiaria decumbens Stapf. on the morphometry of Eucalyptus urograndis plants, genetically modified hybrid of Eucalyptus urophylla S. T. Blake × Eucalyptus grandis W. Hil…
View article: Morphological Characteristics of Safflower Seedlings Under Compaction Levels in a Clayey Latosol
Morphological Characteristics of Safflower Seedlings Under Compaction Levels in a Clayey Latosol Open
This study aimed to evaluate the effect of soil compaction levels on initial development of safflower genotypes (Carthamus tinctorius). The experimental design was 2 × 2 × 6, composed of two sowing seasons (May and June 2017), two genotype…