Economic feasibility of applying microbial inoculants to dark tobacco crop

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Published: Apr 22, 2016
Keywords:
Azotobacter, Bacillus megatherium, production costs

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Yarilis León González
Estación Experimental del Tabaco, Finca Vivero

Abstract

During 2010/2011 and 2011/2012 in tobacco crop seasons, a research was carried out at the Tobacco Experimental Station of San Juan y Martínez, Pinar del Río, Cuba, with the objective of determining the economic feasibility of two microbial inoculant methods applied to dark tobacco crop in the sun. A random block was designed with 19 treatments and four repetitions. Different mineral fertilizer rates were studied combined with two microbial inoculants (Azotobacter chroococcum and Bacillus megatherium var. phosphaticum). Two variants were employed: an inoculation at sowing time of the seedbeds and another which included the initial inoculation plus a reinoculation at transplanting time. Better results were achieved by reinoculation and mineral fertilizer reduction than by inoculation method. The economic feasibility of A. chroococcum + B. megatherium var. phosphaticum reinoculation plus 75 % of total nitrogen and phosphorus rates was proved in dark tobacco cultivated at the sun.

Article Details

How to Cite
León González, Y. (2016). Economic feasibility of applying microbial inoculants to dark tobacco crop. Cultivos Tropicales, 37(1), 28–33. Retrieved from https://ediciones.inca.edu.cu/index.php/ediciones/article/view/1147
Issue
Vol. 37 No. 1 (2016)
Section
Original Article

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