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Energy demand in soybean seeding on maize straw intercropped with forage AGRIAMBI
Chioderoli,Carlos A.; Silva,Vicente F. A.; Furlani,Carlos E. A.; Bertonha,Rafael S.; Cavichioli,Fabio A..
The sustainability of no-tillage system is fully linked to the soil use and management, in order to use technologies that promote the accumulation of dry vegetation in the soil, but it may affect the performance of agricultural machinery. Therefore, the objective of this study was to evaluate in soybean seeding the operational performance of tractor-seeder on maize straws intercropped with Urochloas in different treatments. The study was conducted in a randomized block design in factorial scheme 2 x 4 + 1, with four replications, formed by two intercropped forage species and five cropping systems. The dry maize straw, Urochloas dry mass and total straw dry mass were determined in treatments to verify the operational performance of the machines. The results...
Tipo: Info:eu-repo/semantics/article Palavras-chave: No tillage system; Slippage of wheels; Crop-livestock integration.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662014000800015
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Peanut mechanized digging regarding to plant population and soil water level AGRIAMBI
Zerbato,Cristiano; Silva,Vicente F. A.; Torres,Luma S.; Silva,Rouverson P. da; Furlani,Carlos E. A..
The largest losses in mechanical harvesting of peanuts occur during the stage of digging, and its assessment is still incipient in Brazil. Therefore, the aim of this study was to evaluate the quantitative losses and the performance of the tractor-digger-inverter, according to soil water content and plant populations. The experiment was conducted in a completely randomized block design with a factorial scheme 2 x 3, in which the treatments consisted of two soil, water content (19.3 and 24.8%) and three populations of plants (86,111, 127,603 and 141,144 plants ha-1), with four replications. The quantitative digging losses and the set mechanized performance were evaluated. The largest amount of visible and total losses was found in the population of 141.144...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Arachis hypogaea L.; Crop losses; Digger-inverter; Operating performance.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662014000400015
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Quality of peanut mechanical sowing in function of seeding density and size of the seeds REA
Zerbato,Cristiano; Furlani,Carlos E. A.; Almeida,Rodrigo F; Voltarelli,Murilo A.; Silva,Vicente F. A..
ABSTRACT Peanut crop (Arachis hypogaea L.) mechanization has been improved over the years; however there are drawbacks that affect the quality of operations. Thus, this article’s objectives were to evaluate the operational performance of the mechanized sowing of peanut crop according to seeding densities (10, 14, and 18 seeds m-1) and seed sizes (21 and 23 mm). It was observed that the seeds of 23 mm had shorter average number of days to emergence and a higher percentage of emergences, occurring the opposite to the seeding density of 18 seeds m-1. The higher the seeding density, the largest was the plant stand, whereas the 23 mm seed obtained the best results and the same with the seeding density of 14 seeds m-1 that had a higher percentage of normal...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Arachis hypogaea L.; Agricultural mechanization; Seeder-fertilizer.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162015000400711
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