Alternatives of storage of corn grains for the conditions of the brazilian cerrado

Coradi, Paulo Carteri; Camilo, Lucas Jandrey; Cunha, Fernando França da; Pereira, Taísa Lopes Lacerda; Alves, Charline Zaratin

doi:10.14393/bj-v32n1a2016-29119

Cited by 9 publications

(5 citation statements)

References 13 publications

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“…It is the final consequence of a deterioration process, as verified by a decrease in vigor, or by an increase in electrical conductivity values. Grain germination potential can be explained by the low water content in grains when stored (Alencar et al, 2009;Coradi et al, 2016a).…”

Section: Resultsmentioning

confidence: 99%

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Experimental silo-dryer-aerator for the storage of soybean grains

Coradi

Lemes

2018

Rev. bras. eng. agríc. ambient.

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A B S T R A C TThis study aimed to verify the capacity of silo-dryer-aerator prototype equipment operating as a silo-storage-aerator for soybean quality analysis. Soybeans with water content of 17% (wet basis -w.b.) were dried and stored in a silo-dryer-aerator system that was designed using a drying chamber, four independent storage cells, and a static capacity of 164 kg. Another batch of grains was stored in a silo-storage-aerator with a capacity of 1,200 kg. The experiment was set up in a completely randomized factorial 5 × 4 experimental design including five grain batches stored after being dried at 30, 40, and 50 °C (mixed grains were dried at three temperatures) in the silo-dryer-aerator cells and one mixed grain batch stored in the silo-storage-aerator system under ambient air conditions for four storage times (zero, one, two, and three months). There was no difference between the grains stored in the silo-dryer-aerator and silo-storage-aerator at the end of the three-month storage in terms of the physico-chemical quality. The storage time associated with drying at 50 °C caused a reduction in the physical-chemical quality of the grains. The silo-dryer-aerator system was presented as a possible alternative to store soybean (Glycine max L.) grains.Silo-secador-aerador experimental para armazenagem de grãos de soja R E S U M O Objetivou-se com este estudo verificar a capacidade de um equipamento protótipo silosecador-aerador, operando como silo-armazenador-aerador para análise da qualidade dos grãos de soja. Os grãos de soja com teores de água de 17% (b.u.) foram submetidos à secagem e armazenagem em um sistema de silo-secador-aerador, projetado com uma câmara de secagem e quatro células independentes de armazenagem, com capacidade estática de 164 kg. Outro lote de grãos foi armazenado em um silo-armazenador-aerador com capacidade de 1.200 kg. O experimento foi montado em um delineamento experimental inteiramente casualizado, fatorial 5 x 4, sendo cinco lotes de grãos armazenados após a secagem com temperaturas do ar de secagem (30, 40, 50 °C, grãos misturados na secagem com as três temperaturas), nas células 1, 2, 3 e 4, respectivamente, do sistema silo-secador-aerador e um lote de grãos misturados e armazenados no sistema silo-armazenador-aerador nas condições do ar ambiente, quatro tempos de armazenamento (zero, um, dois e três meses). Observou-se que não houve diferença entre os grãos armazenados no silo-secador-aerador e no silo-armazenador-aerador quanto à qualidade físico-química ao final dos três meses de armazenamento. O tempo de armazenamento associado à secagem a uma temperatura de 50 °C proporcionou uma redução na qualidade físico-química dos grãos. O sistema silo-secadoraerador apresentou-se como uma alternativa viável para o armazenamento de grãos de soja.

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Section: Resultsmentioning

confidence: 99%

“…However, improved performance of the crops did not reflect in the post-harvest operations, whereas caused more losses and reduced initial quality of the agricultural products (Quirino et al, 2013;Coradi et al, 2016a).…”

Section: Introductionmentioning

confidence: 99%

Experimental silo-dryer-aerator for the storage of soybean grains

Coradi

Lemes

2018

Rev. bras. eng. agríc. ambient.

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“…In view of this, even the product being harvested with relatively lower water content, such as 19% its ability to undergo deteriorating processes is still present when temporarily stored in an unsuitable environment, since the variations of temperature and relative humidity dictate the deteriorating intensity, the water content allows the respiratory process to occur, and the period has the ability to accentuate such deleterious activity (Coradi et al, 2016).…”

Section: Resultsmentioning

confidence: 99%

Physic-Chemical Quality of Second Crop Corn as a Function of Time Between Harvest and Drying

et al. 2017

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ABSTRACT:The gap in the storage industry has brought a series of problems for the agro industrial market today, as its ability to directly infer the quality of newly collected material. The present study was carried out with the objective of evaluating the quality of second crop corn harvested with different water contents depending on the period until drying. The corn grains were harvested with moisture contents of approximately 28.5; 22.4; 21 and 19%, and subjected to temporary storage for ten days, simulating the time between harvest and drying. In the period, every two days the quality was evaluated by determining the specific mass, electrical conductivity, color, crude protein content, ethereal extract, ashes and carbohydrates. Based on the obtained results it is concluded that: the increase in the harvest water content negatively influenced the quality of the produced corn in the second harvest, being this effect worsened with time. The harvest moisture content of 19% is the least that affected the quality of the grains during 10 days of temporary storage.

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“…It was possible to observe that, despite harvesting the product with relatively lower moisture content (19%), its aptitude to undergo deterioration processes is still present when stored in an inadequate environment, since the variations of temperature and relative humidity drive deterioration intensity, moisture content allows the occurrence of the respiratory process, and time can accentuate such deleterious activity (Bento et al, 2012;Coradi et al, 2016).…”

Section: Resultsmentioning

confidence: 99%

“…One example of this refers to increasing qualiquantitative losses observed every year, because the harvested material temporarily remains stored in the trucks, vulnerable to the attack of pathogens and intensification of deterioration processes. Since the uncontrolled environmental conditions and oscillations of temperature and relative humidity directly interfere with the metabolic activity of the product and of the microflora associated with it, the increase in the consumption of dry matter as well as the increment in the values of rotten, moldy and germinated grains are commonly observed (Del Campo et al, 2014;Coradi et al, 2015Coradi et al, , 2016.…”

Section: Introductionmentioning

confidence: 99%

Quality of second-crop corn according to the period between harvest and drying

Andrade

Goneli

Filho

et al. 2017

Rev. bras. eng. agríc. ambient.

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A B S T R A C TThe objective of this study was to evaluate the quality of second-crop corn harvested with different moisture contents as a function of time before drying. The corn grains were harvested with moisture content of 28.5, 22.4, 21 and 19%, and submitted to a temporary storage for ten days, simulating the time between harvesting and drying. Quality was subsequently evaluated every two days, based on the commercial classification of the grains, sanity test and dry bulk density. The results showed that: the increase in moisture content at harvest affects the physical and sanitary quality of second-crop corn, and this effect is aggravated over time; the moisture content of 19% is the one that least affects grain quality during the ten days of temporary storage.Qualidade do milho segunda safra em função do tempo entre a colheita e a secagem R E S U M O O presente trabalho foi realizado com o objetivo de avaliar a qualidade do milho segunda safra colhido com diferentes teores de água em função do tempo até a secagem. Os grãos de milho foram colhidos com teores de água de aproximadamente 28,5; 22,4; 21 e 19%, e submetidos a um armazenamento temporário durante dez dias, simulando o tempo entre a colheita e a secagem. A qualidade foi avaliada por meio da classificação comercial dos grãos, do teste de sanidade e da massa específica aparente de matéria seca a cada dois dias subsequentes. Com base nos resultados obtidos, conclui-se que: o aumento do teor de água de colheita influencia negativamente a qualidade física e sanitária do milho produzido na segunda safra, sendo este efeito agravado com o tempo; o teor de água de colheita de 19% é o que menos afeta a qualidade dos grãos durante os dez dias de armazenamento temporário.

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Alternatives of storage of corn grains for the conditions of the brazilian cerrado

Cited by 9 publications

References 13 publications

Experimental silo-dryer-aerator for the storage of soybean grains

Experimental silo-dryer-aerator for the storage of soybean grains

Physic-Chemical Quality of Second Crop Corn as a Function of Time Between Harvest and Drying

Quality of second-crop corn according to the period between harvest and drying

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