Abstract
In an experiment conducted in 2012 at the USAMV Cluj-Napoca, the economic efficiency of eggplantscultivated in plastic tunnels, under the influence of culture method, fertilization and plant directingmethod, was pursued. The highest production and profit can be obtained when using the PE bags filledwith peat as a growing medium. The variants that were grown in PE bags and organically fertilizedobtain the highest profits. The most economically efficient experimental variant is the one grown in PEbags, on organic substrate, organically fertilized and directed with 3 branches. Here we can obtain aprofit of 76972.1 lei/ha and a profit rate of 73.1%, because of a high early yield, high retail prices at thebeginning of harvesting and lower production costs, in spite of a lower yield.The variant that was grown in PE bags, chemically fertilized and directed with 2 branches obtains alow profit, and as a consequence the lowest profit rate (of 32.56%) amongst the experimental variants,because of the high production costs.
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