Vermicompost application and growth patterns of lettuce (Lactuca sativa L.)
2012
Leon, A.P., University of Buenos Aires (Argentina). Faculty of Agronomy | Martin, J.P., University of Buenos Aires (Argentina). Faculty of Agronomy | Chiesa, A., University of Buenos Aires (Argentina). Faculty of Agronomy
The objective of this work was to evaluate the effect of the application of vermicompost on the growth parameters of lettuce in two commercial types: leaf lettuce (cv. Brisa) and butterhead (cv. Daguan). Seedlings were produced in plastic trays and were transplanted when two leaves were completely expanded 30 days after sowing. After that the crop management was similar to the commercial one. The experimental design was a randomized complete block with four replications. Fresh and dry weight, leaf number and area, nitrate and reducing sugar concentrations were measured during cultivation and at harvest. Yields were calculated. At harvest, vermicompost addition led to the increase in nitrate concentration in cv. Brisa. The yield was not affected by vermicompost application.
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