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DESEMPENHO DE BANANEIRAS CULTIVAR “NANICÃO” SOBRE COBERTURA VIVA DE SOLO NO SEMIÁRIDO Full text
2015
MATEUS AUGUSTO LIMA QUARESMA | FÁBIO LUIZ DE OLIVEIRA | DIEGO MATHIAS NATAL DA SILVA | RUIMÁRIO INÁCIO COELHO | EDUARDO CÉSAR COSTA
This work aimed to evaluate the growth and yield of banana cv. "Nanicão", in intercropping with live coverage crops in the semi - arid region. The experiment was analysed as a randomized complete block with four replications. The experiment used a split - plot design, and some variables were sub - subdivided over time. In the plots, factor "A", made of three management strategies of soil cover - the leguminous, calopo and tropi- cal kudzu, and bare soil (hoed soil); Factor "B", on the sub - plots, banana plants in three morphophysiological ages (different cycles and sizes) and factor "C", dates of collections in the sub - plots. The cultivation of banana cv. Nanicão in soil under live coverage with calopo and tropical kudzu in the semi - arid region promotes an increase in the number of fruits, fruit weight and bunches.
Show more [+] Less [-]CARACTERÍSTICAS QUANTITATIVAS E QUALITATIVAS DE CAATINGA RALEADA SOB PASTEJO DE OVINOS, SERRA TALHADA (PE) Full text
2015
OSNIEL FARIA DE OLIVEIRA | MÉRCIA VIRGINIA FERREIRA DOS SANTOS | MÁRCIO VIEIRA DA CUNHA | ALEXANDRE CARNEIRO LEÃO DE MELLO | MÁRIO DE ANDRADE LIRA | GUSTAVO FERRAZ NOGUEIRA PINHEIRO DE BARROS
CARACTERÍSTICAS QUANTITATIVAS E QUALITATIVAS DE CAATINGA RALEADA SOB PASTEJO DE OVINOS, SERRA TALHADA (PE) Full text
2015
OSNIEL FARIA DE OLIVEIRA | MÉRCIA VIRGINIA FERREIRA DOS SANTOS | MÁRCIO VIEIRA DA CUNHA | ALEXANDRE CARNEIRO LEÃO DE MELLO | MÁRIO DE ANDRADE LIRA | GUSTAVO FERRAZ NOGUEIRA PINHEIRO DE BARROS
The aim was to study during a year, the quantitative and qualitative characteristics of the thinning Caatinga grazing sheep at continuous stocking, in Serra Talhada-PE. The research consisted of data collection of vegetation and sheep, in 38 hectares of Caatinga from a private farm. We evaluated the herbage mass, herbal chemical composition, botanical composition, bare soil, litter, plants height, stocking rate, animal performance and herbage allowance. Herbage mass ranged from 422 ± 42 to 1262 ± 95 kg DM.ha-1within the period January 2011 to January 2012, which led to decreased herbage allowance (13,1± 1,3 a 56,4± 4,2 kg MS.kg PV- 1 ). The weight gain of sheep observed was 2.0 ± 2.2 kg. head-1 .period-1 and 3.8 ± 4.0 kg.ha-1 .period-1 . The litter during the dry season was higher in October 2011 (38.8 ± 4.1%) and January 2012 (41.4 ± 4.3%). Increased values were observed on bare soil, mainly in dry season, averaging 24.4 ± 1.5%. With the advance of the dry season, the concentrations of DM, NDF, ADF and TC of pasture increased, while the CP, MM, and NFC decreased. In general, the Caatinga show varieties in the range of herbage mass, forage chemical composition, and animal performance, over the year.
Show more [+] Less [-]CARACTERÍSTICAS QUANTITATIVAS E QUALITATIVAS DE CAATINGA RALEADA SOB PASTEJO DE OVINOS, SERRA TALHADA (PE) Full text
2015
OLIVEIRA, OSNIEL FARIA DE | SANTOS, MÉRCIA VIRGINIA FERREIRA DOS | CUNHA, MÁRCIO VIEIRA DA | MELLO, ALEXANDRE CARNEIRO LEÃO DE | LIRA, MÁRIO DE ANDRADE | BARROS, GUSTAVO FERRAZ NOGUEIRA PINHEIRO DE
ABSTRACT: The aim was to study during a year, the quantitative and qualitative characteristics of the thinning Caatinga grazing sheep at continuous stocking, in Serra Talhada-PE. The research consisted of data collection of vegetation and sheep, in 38 hectares of Caatinga from a private farm. We evaluated the herbage mass, herbal chemical composition, botanical composition, bare soil, litter, plants height, stocking rate, animal performance and herbage allowance. Herbage mass ranged from 422 ± 42 to 1262 ± 95 kg DM.ha-1within the period January 2011 to January 2012, which led to decreased herbage allowance (13,1± 1,3 a 56,4± 4,2 kg MS.kg PV-1). The weight gain of sheep observed was 2.0 ± 2.2 kg. head-1.period-1 and 3.8 ± 4.0 kg.ha-1.period-1. The litter during the dry season was higher in October 2011 (38.8 ± 4.1%) and January 2012 (41.4 ± 4.3%). Increased values were observed on bare soil, mainly in dry season, averaging 24.4 ± 1.5%. With the advance of the dry season, the concentrations of DM, NDF, ADF and TC of pasture increased, while the CP, MM, and NFC decreased. In general, the Caatinga show varieties in the range of herbage mass, forage chemical composition, and animal performance, over the year. | RESUMO: Objetivou-se estudar no período de um ano as características quantitativas e qualitativas da Caatinga raleada sob pastejo de ovinos em lotação contínua. A pesquisa consistiu em levantamento de dados da vegetação e dos ovinos em 38 hectares de Caatinga em propriedade particular. Foi avaliada a massa de forragem, composição bromatológica e botânica, solo descoberto, serrapilheira, altura média de plantas, taxa de lotação, desempenho animal e oferta de forragem. A massa de forragem variou de 422 ± 42 a 1.262 ± 95 kg MS.ha-1 no período de janeiro/2011 a janeiro/2012, com consequente variação da oferta de forragem de 13,1 ± 1,3 a 56,4 ± 4,2 kg MS.kg PV-1. O ganho de peso vivo dos ovinos observados foram 2,0 ± 2,2 kg.cabeça-1.ciclo-1 e 3,8 ± 4,0 kg.ha-1.ciclo-1. A serrapilheira no período seco foi maior nos meses de outubro/2011 (38,8 ± 4,1%) e janeiro/2012 (41,4 ± 4,3%). Elevados valores de solo descoberto foram observados principalmente ao longo do período seco, apresentando em média 24,4 ± 1,5 % em relação ao período total. Com o avanço do período seco os teores de MS, FDN, FDA e CHOT do pasto aumentaram, enquanto que os teores de PB, MM e CNF reduziram. A Caatinga raleada apresenta variações, ao longo do ano, na massa de forragem, composição bromatológica e desempenho animal.
Show more [+] Less [-]FRAÇÕES DA MATÉRIA ORGÂNICA EM SOLOS SOB FORMAÇÕES DECIDUAIS NO NORTE DE MINAS GERAIS Full text
2015
CAROLINA MALALA MARTINS | LIOVANDO MARCIANO DA COSTA | CARLOS ERNESTO GONÇALVES REYNAUD SCHAEFER | EMANUELLE MERCÊS BARROS SOARES | SARA RAMOS DOS SANTOS
The dynamics of organic matter influences the main chemical, physical and biological processes in soil, and often determines their chemical behavior and fertility. Therefore, it is essential to quantify the frac- tions that make up the organic matter to the understanding of pedogenic processes that reflect or induce soil properties. The aim of the study was to evaluate the behavior of soil organic matter in different soil profiles under deciduous formations, through fractionation of organic matter and obtain their different oxidizable fractions. Ten soil profiles were described and collected in areas of deciduous formations in the state of Minas Gerais and Bahia. Chemical and physical analyzes were performed on each horizon. For organic matter fractions, the fractionation of humic substances and subsequent determination of carbon in each fraction was performed: humin (HUM - C) , fulvic acid (C - FAF) and humic acid (C - FAH) and calculated their relations and percentage of each fraction relative to total organic carbon (COT) , %FAF, %FAH, %HUM and %EA, beyond fractions oxidizable C in each evaluated horizon. Humic substances that make up the organic matter in the soil of seasonal dry forests profiles showed that this compartment MOS showed a predominance of the humin fraction, followed by humic acids and lower content of C, fulvic acids for most soils. However, the different fractions of oxidizable C could already point more labile fractions associated with surface horizons, and more recalcitrant to subsurface horizons.
Show more [+] Less [-]PRODUCTION AND PHYSIOLOGICAL QUALITY OF SOYBEAN SEEDS IN ORTHIC QUARTZARENIC NEOSOIL OF THE CERRADO REGION Full text
2015
CHARLINE ZARATIN ALVES | GUSTAVO MARTINS ZAQUEU | ERIC FABIANO SERAGUZI | AGUINALDO JOSÉ FREITAS LEAL | JOSUÉ BISPO DA SILVA
PRODUCTION AND PHYSIOLOGICAL QUALITY OF SOYBEAN SEEDS IN ORTHIC QUARTZARENIC NEOSOIL OF THE CERRADO REGION Full text
2015
CHARLINE ZARATIN ALVES | GUSTAVO MARTINS ZAQUEU | ERIC FABIANO SERAGUZI | AGUINALDO JOSÉ FREITAS LEAL | JOSUÉ BISPO DA SILVA
The aim of this study was to evaluate the effect of the sowing periods in production , productivity component and physiological quality of seeds of three soybean cultivars (TMG133RR, P98Y70RR and NS7670RR) in Orthic Quartzarenic Neosoil in the cerrado region. The design used was a randomized block a factorial scheme design with four repetitions, and each plot with useful space consisted of three rows of four meters length, spaced at 0.45 meters. Field evaluations were the final stand, the height of the plants, height of the first pod insertion, the mass of 100 seeds and productivity. Already in the lab seeds were evaluated for germination and vigor (first germination count, emergency, emergence speed index, length and dry mass of the aerial part of the plant and roots, electrical conductivity, accelerated aging and tetrazolium test). It concludes that it is possible to use Orthic Quartzarenic Neosoils , located in the Cerrado region at altitudes higher than 600 m, in years and places with good water distribution in the spring - summer seasons, for grain and soybeans production, but as a first goal, the crop should be sown in the first 20 days of November otherwise it should take place in early December.
Show more [+] Less [-]PRODUCTION AND PHYSIOLOGICAL QUALITY OF SOYBEAN SEEDS IN ORTHIC QUARTZARENIC NEOSOIL OF THE CERRADO REGION Full text
2015
ALVES, CHARLINE ZARATIN | ZAQUEU, GUSTAVO MARTINS | SERAGUZI, ERIC FABIANO | LEAL, AGUINALDO JOSÉ FREITAS | SILVA, JOSUÉ BISPO DA
ABSTRACT: The aim of this study was to evaluate the effect of the sowing periods in production, productivity component and physiological quality of seeds of three soybean cultivars (TMG133RR, P98Y70RR and NS7670RR) in Orthic Quartzarenic Neosoil in the cerrado region. The design used was a randomized block a factorial scheme design with four repetitions, and each plot with useful space consisted of three rows of four meters length, spaced at 0.45 meters. Field evaluations were the final stand, the height of the plants, height of the first pod insertion, the mass of 100 seeds and productivity. Already in the lab seeds were evaluated for germination and vigor (first germination count, emergency, emergence speed index, length and dry mass of the aerial part of the plant and roots, electrical conductivity, accelerated aging and tetrazolium test). It concludes that it is possible to use Orthic Quartzarenic Neosoils, located in the Cerrado region at altitudes higher than 600 m, in years and places with good water distribution in the spring-summer seasons, for grain and soybeans production, but as a first goal, the crop should be sown in the first 20 days of November otherwise it should take place in early December. | RESUMO: O objetivo deste trabalho foi avaliar o efeito de épocas de semeadura na produção, componentes de produtividade e qualidade fisiológica de sementes de três cultivares de soja (TMG133RR, P98Y70RR e NS7670RR) em Neossolo Quartzarênico Órtico na região do cerrado. O delineamento utilizado foi em blocos casualizados num esquema fatorial com quatro repetições, sendo cada parcela com área útil constituída por três linhas com quatro metros de comprimento, no espaçamento de 0,45 m. As avaliações no campo foram estande final, altura de plantas, altura de inserção da primeira vagem, massa de 100 sementes e produtividade. No laboratório, as sementes foram avaliadas quanto à porcentagem de germinação e vigor (primeira contagem de germinação, emergência, índice de velocidade de emergência, comprimento e massa seca de parte aérea e raiz, condutividade elétrica, envelhecimento acelerado e tetrazólio). Conclui-se que é possível a utilização de Neossolos Quartzarênicos Órticos, localizados em região de cerrado com altitude superior a 600 m, em anos e locais com boa distribuição hídrica na primavera-verão, para produção de grãos e sementes de soja, sendo que no primeiro objetivo, a cultura deve ser semeada nos primeiros 20 dias de novembro e no segundo caso, essa deve ocorrer no inicio de dezembro.
Show more [+] Less [-]LOBAÇÃO, ÁRVORE BRÔNQUICA E VASCULARIZAÇÃO DO PULMÃO DE CATETOS (Pecari tajacu Linnaeus, 1758) Full text
2015
GLEIDSON BENEVIDES DE OLIVEIRA | RADAN ELVIS MATIAS DE OLIVEIRA | FERDINANDO VINICIUS FERNANDES BEZERRA | MOACIR FRANCO DE OLIVEIRA
This study aimed to characterize the lobation and describe the bronchial tree and vasculariza-tion of the lung collared peccaries. 12 animals that died in Multiplication Center of Wild Animals (CEMAS/UFERSA) were used. For analysis of the bronchial tree, the trachea was perfused with latex or vinyl and for identification of arterial vascularization, the pulmonary artery was perfused with red latex. For the visualization of the pulmonary veins, the left atrium was perfused in retrograde direction with blue latex. Likewise we pro-ceeded with perfusion with vinyl. The pieces injected with latex were fixed in 10% formaldehyde for 48 hours and then performed the dissections. Those perfused with vinyl were dipped in a solution of 30% H2SO4 until complete corrosion. The right lung was composed of the cranial, middle, caudal and accessory lobes, while the left lung by cranial (cranial and caudal portions) and caudal lobes. The trachea before of the bifurcation in left and right main bronchi, issued a tracheal bronchus towards the right cranial lobe. The right bronchus gave a branch to the middle lobe, one to accessory and another to the right caudal lobe, while the left bronchus gave a branch to the right cranial lobe (cranial and caudal portions) and another to the left caudal lobe. The study on bronchial and vascular segmentation is useful in clinical and surgical applications, in particular in cases of per-foration, and stenosis or tumors, which require the completion of partial lobectomy.
Show more [+] Less [-]RENDIMENTO E QUALIDADE DE FRUTOS DE MELANCIA EM DIFERENTES ÉPOCAS DE PLANTIO Full text
2015
JOAQUIM BRANCO DE OLIVEIRA | LEILSON COSTA GRANGEIRO | JOSÉ ESPINOLA SOBRINHO | MAGNA SOELMA BESERRA DE MOURA | CRISTHYAN ALEXANDRE CARGIA CARVALHO
Watermelon is a cucurbit, grown in almost all regions of the world, and it is enjoyed by most of the population. In Rio Grande do Norte the cultivation of watermelon has been increasing, because of the good climatic conditions in the region that provides adequate light and temperature throughout the year. In this con-text, the present study aimed at evaluating the yield and quality of watermelon cultivars in different planting dates in Mossoró-RN. The experiment was conducted in the garden didactic Department of Plant Sciences, Federal Rural University of the Semi-Arid in the period between June and December 2010. The experimental design was a randomized complete block in a split plot design with four 3 x 3 repetitions. The plots consisted of three cultivars of watermelon (Crimson Sweet, Olympia and Denver) and subplots were planting (June, Au-gust and October). It is concluded that the yield and fruit quality were influenced by planting dates. The water-melon sowing in August resulted in higher average fruit weight and commercial productivity, and the fruits of lower acidity and better palatability were collected in the June planting.
Show more [+] Less [-]COMPOSIÇÃO QUÍMICA E ATIVIDADE ACARICIDA DO ÓLEO ESSENCIAL DE ERVA-DE-SANTA-MARIA SOBRE O ÁCARO-RAJADO Full text
2015
LAUANA PELLANDA DE SOUZA | HUGO BOLSONI ZAGO | ADILSON VIDAL COSTA | PRISCILA STINGUEL | WILSON RODRIGUES VALBON
This study aimed to extract, identify the chemical composition and evaluate the acaricidal acti-vity of essential oil from Chenopodium ambrosioides L. (Amaranthaceae) on Tetranychus urticae Koch (Acari: Tetranychidae). Adult female spotted spider mite were treated with concentrations 5, 10, 15, 20 and 25 μL of essential oil per liter of air. Among the eight chemical substances that make up the essential oil of C. ambrosi-oides, the (Z)-ascaridol (81.40%) was the major component. The LC50 and CL90 found after 72 h of exposure to the essential oil were, respectively, 5.82 and 10.79 μL L-1 air and fecundity of females of T. urticae was redu-ced inversely proportional to the increased concentrations utilized in this study.
Show more [+] Less [-]AVALIAÇÃO NUTRICIONAL DA TORTA DE BABAÇU PARA FRANGOS DE CRESCIMENTO LENTO EM DIFERENTES IDADES Full text
2015
SANDRA PAULA GASPARINI | FELIPE BARBOSA RIBEIRO | JEFFERSON COSTA DE SIQUEIRA | MARCOS ANTONIO DELMONDES BOMFIM | DÁPHINNE CARDOSO NAGIB NASCIMENTO
Two experiments were conducted with the aim of determining the nutritional composition of babassu cake, metabolizable energy and true amino acid digestibility of babassu cake for slow growth broilers. In the first experiment, 352 broilers were used at different ages, distributed randomly in three treatments, with six replications compounds by reference diets (RDs) formulated for three different ages, and test diets (80% of RRs over 20% of babassu cake). The method used was the total collection. In the second experiment, 168 slow growth broilers were used, from 20 to 25 days of age, distributed randomly in two treatments which consisted of a diet free of protein (DIP) starch-based and the DIP plus 35% inclusion of babassu cake. The chemical composition of babassu cake exhibit elevated levels of crude fiber, neutral detergent fiber and acid detergent, which can interfere with the metabolizable energy values of this food. In the formulations diets for slow growth broilers using babassu cake in its composition should take into consideration the age of the animal, and with advancing age of the chickens improves utilization of metabolizable energy for broilers. Amino acids have lower digestibility coefficients to those found in the literature for fast growth broilers, and histidine is the ami-no acid that has the lowest coefficient of digestibility and arginine, the highest.
Show more [+] Less [-]PRODUTIVIDADE E QUALIDADE DE TUBÉRCULOS DE BATATA EM FUNÇÃO DO FERTILIZANTE ORGANOMINERAL E SAFRAS DE PLANTIO Full text
2015
ATALITA FRANCIS CARDOSO | JOSÉ MAGNO QUEIROZ LUZ | REGINA MARIA QUINTÃO LANA
PRODUTIVIDADE E QUALIDADE DE TUBÉRCULOS DE BATATA EM FUNÇÃO DO FERTILIZANTE ORGANOMINERAL E SAFRAS DE PLANTIO Full text
2015
ATALITA FRANCIS CARDOSO | JOSÉ MAGNO QUEIROZ LUZ | REGINA MARIA QUINTÃO LANA
The study evaluated potato tuber yield and quality, using cultivar Atlantic, as a function of organomineral fertilizer doses applied in the planting furrow. The experiments were done in Cristalina, Goiás, in winter and summer cultive. The experimental design was randomized blocks, with six doses in the winter experiment and seven doses in the summer one, both with four replications. The doses were fixed according to the recommendation for mineral fertilizer. The doses evaluated were 2800 kg ha - 1 of formulation 3 - 32 - 6, 1629.10, 2443.60, 4072.70 and 4887.30 kg ha - 1 of organomineral fertilizer, corresponding to 40, 60, 80, 100 and 120% of the mineral fertilizer dose. A treatment with no fertilizer (control) was included in the summer experiment . Fertilizers were applied in the planting furrow. Side dressing fertilization was done 30 DAP, in winter crop, with 300 kg ha - 1 of formulation 20 - 00 - 20. Tubers were harvested, classified, weighed and yield (kg ha - 1 ) was determined at the end of the experiment. Results of winter crop were greater than those of sum- mer, for yield and tuber classification. Organomineral fertilizer, in the dose 4072.70 kg ha - 1 , representing 100% of the mineral one, increased the yield of tubers Class Special. Winter crop presented good results for soluble solids contents.
Show more [+] Less [-]PRODUTIVIDADE E QUALIDADE DE TUBÉRCULOS DE BATATA EM FUNÇÃO DO FERTILIZANTE ORGANOMINERAL E SAFRAS DE PLANTIO Full text
2015
CARDOSO, ATALITA FRANCIS | LUZ, JOSÉ MAGNO QUEIROZ | LANA, REGINA MARIA QUINTÃO
ABSTRACT: The study evaluated potato tuber yield and quality, using cultivar Atlantic, as a function of organomineral fertilizer doses applied in the planting furrow. The experiments were done in Cristalina, Goiás, in winter and summer cultive. The experimental design was randomized blocks, with six doses in the winter experiment and seven doses in the summer one, both with four replications. The doses were fixed according to the recommendation for mineral fertilizer. The doses evaluated were 2800 kg ha-1 of formulation 3-32-6, 1629.10, 2443.60, 4072.70 and 4887.30 kg ha-1 of organomineral fertilizer, corresponding to 40, 60, 80, 100 and 120% of the mineral fertilizer dose. A treatment with no fertilizer (control) was included in the summer experiment. Fertilizers were applied in the planting furrow. Side dressing fertilization was done 30 DAP, in winter crop, with 300 kg ha-1 of formulation 20-00-20. Tubers were harvested, classified, weighed and yield (kg ha-1) was determined at the end of the experiment. Results of winter crop were greater than those of summer, for yield and tuber classification. Organomineral fertilizer, in the dose 4072.70 kg ha-1, representing 100% of the mineral one, increased the yield of tubers Class Special. Winter crop presented good results for soluble solids contents. | RESUMO: O objetivo deste estudo foi avaliar a produtividade e a qualidade dos tubérculos da batateira em função da redução das doses do fertilizante organomineral em diferentes safras de plantio. Os experimentos foram conduzidos em Cristalina-Goiás nas safras de inverno (2013) e das águas (2013/2014). O delineamento experimental foi em blocos ao acaso, com 6 doses e 4 repetições na safra de inverno, totalizando 24 parcelas. Na safra das águas o experimento constituiu de 7 doses e 4 repetições, totalizando 28 parcelas. As doses de organomineral foram fixadas de acordo com a recomendação mediante análise do solo para fertilizante mineral. As doses testadas foram: 2800 kg ha-1 do formulado 3-32-6; 1629,10; 2443,60; 4072,70; e 4887,30 kg ha-1 do fertilizante organomineral correspondente a 40, 60, 80, 100 e 120% da dose de fertilizante mineral. Na safra das águas foi incluído um tratamento testemunha (sem adubação). Os fertilizantes organomineral e mineral foram aplicados em sulco de plantio. Aos 30 DAP, na safra de inverno, foram acrescidos 300 kg ha-1 do formulado 20-00-20, em cobertura. A produtividade e classificação dos tubérculos foram estimadas na massa fresca e no diâmetro dos tubérculos, respectivamente. Os resultados obtidos na safra de inverno foram superiores para todas as características avaliadas. A dose 4072,70 kg ha-1 de organomineral equivalente a 100% da dose mineral proporcionou maior produtividade e melhor qualidade de tubérculos nas safras avaliadas. Em relação ao teor de sólidos solúveis, a safra de inverno apresentou resultados mais satisfatórios.
Show more [+] Less [-]EFEITO DE DIFERENTES CONCENTRAÇÕES DE CORANTE NATURAL DE AÇAFRÃO-DA-TERRA NA COMPOSIÇÃO DA FARINHA DE MANDIOCA ARTESANAL Full text
2015
VIRGÍNIA DE SOUZA ÁLVARES | RAIMUNDO SANTOS DA SILVA | CLARISSA RESCHKE DA CUNHA | FRANCISCO ÁLVARO VIANA FELISBERTO | MANOEL DELSON CAMPOS FILHO
Much of the cassava flour produced in northern Brazil is handmade and contains a small amount of turmeric powder, a natural colorant produced by the family producers, the colorant is added to the flour because local consumers prefer a product of intense yellow color, being therefore of interest to evaluate the effect of adding different concentrations of natural turmeric colorant in centesimal composition of tradition-al cassava flour. The flours were manufactured with different concentrations of saffron powder (without tur-meric; 0.003% turmeric; 0.03% turmeric and 1% turmeric), collected immediately after production in transpar-ent plastic bags, transported by plane and analyzed for moisture, ash, protein, lipids, fiber and total carbohy-drates content, as well as for acidity, pH, water activity and instrumental color. The increase in concentration of turmeric affected the ash content of handmade cassava flour starting from 0.03%, and at the concentration used by producers (0.003%), this level was similar to the flour without turmeric. In addition, concentrations starting from 0.03% caused a significant increase in the intensity of the yellow color.
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