The search for sustainable alternatives to petroleum has driven research on biofuels, with a focus those derived from organic biomass. This study centres macaúba (Acrocomia aculeata), promising oilseed biodiesel production. Advances in cultivation techniques and the mapping of climatically suitable areas are essential consolidate use this species energy sector. work aimed utilise predictive modelling CLIMEX software assess current future climatic suitability context climate change. Data...

The lignins from different anatomical parts of macaúba (Acrocomia aculeata) palm fruit, namely stalks, epicarp, and endocarp, were studied. lignin stalks was enriched in S-lignin units (S/G 1.2) β-ether linkages (84% the total) partially acylated at γ-OH side-chains (26% acylation), predominantly with p-hydroxybenzoates acetates. epicarp highly G-lignin 0.2) consequently depleted β-ethers (65%) condensed structures such as phenylcoumarans (24%) dibenzodioxocins (3%). endocarp strikingly rest...

O uso da biomassa para fins energéticos tem sido destaque como forma de reduzir a dependência energética fontes não renováveis. A macaúba, espécie Acrocomia aculeata (Jacq.) Lodd. ex Martius, é uma palmeira arborescente. Possui um grande potencial energético partir do processamento seus frutos. objetivo desse trabalho foi caracterizar os resíduos macaúba após o dos frutos, fim avaliar sua utilização in natura e carvão vegetal. endocarpo apresentou teor carbono fixo, poder calorífico...

Abstract Drying agricultural products is a crucial step in maintaining post-harvest quality. Understanding the use of equilibrium moisture content essential grain processing, as it an inherent property grains. The objective this study was to assess number hours suitable for maintenance aeration, cooling, and low temperature drying, while also evaluating risks over-drying product or humidification intergranular air. This focused on soybeans corn stored Unaí, located Northwest Mesoregion Minas...

The rising global demand for soybeans has resulted in using land with soils that are poorly suited agriculture, such as Petric Plinthosols. However, most annual crops cultivated these lack an adequate and sustainable technological framework to maintain stable productivity under the challenges posed by climate change. One of primary soybean cultivation environments is achieving optimal crop establishment ensure considerable gains. In this context, examining whether plants respond...

The expansion of the production and use bioenergy is one most efficient mechanisms to reduce greenhouse gas (GHG) emissions. Nevertheless, environmental impact processes for many raw materials remains unexplored. Several studies have pointed macauba palm as a promising species biofuel in tropics, but investigations on benefits its cultivation not been reported so far. In this work, an analysis system terms GHG emissions CO2 uptake has conducted productive cycle. energy conversion efficiency...

ABSTRACT: Genetic breeding of forage plants has increasingly contributed to the release more productive plants. In this regard, evaluating genotypic value is essential when aiming rank genotypes based on mean free environmental factors. Therefore, study aimed predict agronomic and nutritive characters three progenies Panicum maximum. Hybrids were evaluated in a clonal test an incomplete-randomized design with treatments (progenies 1, 2, 3) two replications (clones). Six harvests performed at...

Jatropha curcas L. is one of the most promising oilseeds for biodiesel and biokerosene production, but few basic studies or breeding programs have been conducted species. We estimated genetic parameters diversity based on 10 yield traits in 77 half-sib progenies J. after 52 months field, evaluated correlations between them oil content seeds. The mean grain per plant was 377.9 g (ranging from 169.8 to 772.1 g) 36.2% 30 39.6%). Moderate estimates heritability at progeny level were obtained...

ABSTRACT The reduction of photosynthetically active radiation impacts the growth and productivity soybean in agroforestry intercropping systems. Thus, this report explored responses 16 cultivars submitted to shade levels field conditions. Multi‐faceted relative importance analyses revealed that steam diameter plant height are fundamental morphological markers for selecting shade‐resilient cultivars, both were high positively correlated yield components. Moreover, varied among with certain...

Different factors can interfere with the success of crop establishment, such as cotyledon destruction in early stages soybean cultivation. In this context, influence cotyledons on phenotypic characteristics seedlings was evaluated. The experiment conducted a greenhouse, and seeds TMG 803 cultivar, previously classified by size using sieves circular holes (P5.5, P6.0, P6.5, P7.0, P7.5), were used. After germination, removed at VE, VC, V1, V2, for each stage, three types removal performed: no...

Briquetting is a form to aggregate value in the biomass production chain, re-use sustainably waste and provide high-quality solid biofuels, as well enable development of energy market. The aim this study was evaluate potential briquettes from epicarp macauba fruit verify influence different temperatures compaction pressures on chemical, physical, mechanical characteristics briquettes. reduced particles and, then classified, dried, characterized for their physical chemical properties. were...

After harvest, macaw palm fruits show high deterioration rates when improperly preserved. A possible cause is the fruit water content favoring enzymatic and microbiological degradation. Therefore, this study aimed to evaluate effect of drying on mesocarp oil quality during storage set curve fruits. For that, two experiments were carried out. In first, was determined at 60 °C, mathematical models defined for process. Drying performed with freshly harvested (S0) stored 20 days after harvest...

There is currently a lack of information in the literature on integrated production macauba (Acrocomia aculeata) and soybean (Glycine max) crops, importance expanding systems; therefore, objective this work was to identify effects shading growth, development, productivity different cultivars. The experiment carried out randomized block design factorial scheme (4 × 2), with four cultivars two systems (monoculture crop-forest integration), replicates per treatment. All integration system...

Morphological characters of soybean can be influenced by shading which are occasionally caused in plants. Thus, this study aimed to evaluate the effect different levels on epicotyl length, diameter and height The experiments were conducted a greenhouse. When plants reached V2 development stage, measurements taken length experiment I (conducted autumn); diameter, plant II (spring/summer) III (summer). Each randomized block design, subdivided plots, with four repetitions. plots composed...

Objetivou-se com este trabalho avaliar o desempenho agronômico de híbridos sorgo biomassa sensíveis e insensíveis ao fotoperíodo, cultivados em segunda safra, nas condições edafoclimáticas do estado Tocantins (TO). Foram avaliados sete materiais genéticos biomassa, dois cinco fotoperiodismo, três densidades semeadura no município Palmas. diferenciado dos quanto agronômico. Os fotoperíodo foram superiores quando comparados aos sensíveis, isso relação à altura plantas, diâmetro colmos número...