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Kitsopanidis, G.; Mygdakos, E.; Gemtos, T.. |
In this paper an attempt has been made to determine the optimum replacement time for cotton pickers under the technical and economic conditions in Greece. For this purpose, five relevant methods have been applied to analyze real data taken by 62 cotton pickers working in Central Greece. Three of the methods consider that the optimum replacement time for cotton pickers is the year when the accumulated annual depreciation is equal to the corresponding repair and maintenance costs or the year when the aforementioned annual expenses of the machine per working hour are minimum. The fourth method considers the year in which the accumulated average total costs per working hour or per hectare harvested is minimum, while the fifth method refers to the year in which... |
Tipo: Journal Article |
Palavras-chave: Cotton pickers; Optimum replacement time; Costs; Net income; Farm Management; Crop Production/Industries. |
Ano: 2005 |
URL: http://purl.umn.edu/44092 |
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Barros Júnior,Aurélio Paes; Souza,Ênio Gomes Flôr; Ribeiro,Rayanne Maria Paula; Martins,Bruno Novaes Menezes; Silveira,Lindomar Maria da. |
ABSTRACT The present study was carried out to determine the amount of biomass of Calotropis procera and itsincorporation time into the soil that provide maximum productivity and profitability in the organic cultivation of coriander during the spring and autumn-winter, under the conditions of Serra Talhada, in the state of Pernambuco, Brazil. The experiment was conducted in a randomised complete block design, in a 4 x 4 factorial scheme with three replications. The first factor corresponded to the amount of biomass (5.4, 8.8, 12.2 and 15.6 t ha-1 on a dry basis), and the second to the incorporation time (0, 10, 20 and 30 days prior toplanting the coriander). In addition to the green-matter yield and production costs, the following economic indicators were... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Coriandrum sativum L; Green manure; Period of cultivation; Calotropis procera; Net income. |
Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902019000400669 |
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