Growth Characteristics of Dracocephalum moldavica L. in Relation to Density for Sustainable Cropping Technology Development

Cristina Moldovan, Sorina Nițu (Năstase), Manuela Hermeziu, Roxana Vidican, Mignon Sandor, Ștefania Gâdea, Adriana David, Valentina Ancuța Stoian, Sorin Daniel Vâtcă and Vlad Stoian
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Cristina Moldovan: Department of Plant Culture, Faculty of Agriculture, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Calea Mănăstur 3-5, 400372 Cluj-Napoca, Romania
Sorina Nițu (Năstase): National Institute of Research and Development for Potato and Sugar Beet Brașov, 2 Fundăturii St., 500470 Brașov, Romania
Manuela Hermeziu: National Institute of Research and Development for Potato and Sugar Beet Brașov, 2 Fundăturii St., 500470 Brașov, Romania
Roxana Vidican: Department of Plant Culture, Faculty of Agriculture, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Calea Mănăstur 3-5, 400372 Cluj-Napoca, Romania
Mignon Sandor: Department of Engineering and Environmental Protection, Faculty of Agriculture, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
Ștefania Gâdea: Department of Plant Culture, Faculty of Agriculture, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Calea Mănăstur 3-5, 400372 Cluj-Napoca, Romania
Adriana David: Department of Technical Sciences and Soil Sciences, Faculty of Agriculture, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
Valentina Ancuța Stoian: Department of Plant Culture, Faculty of Agriculture, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Calea Mănăstur 3-5, 400372 Cluj-Napoca, Romania
Sorin Daniel Vâtcă: Department of Plant Culture, Faculty of Agriculture, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Calea Mănăstur 3-5, 400372 Cluj-Napoca, Romania
Vlad Stoian: Department of Plant Culture, Faculty of Agriculture, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Calea Mănăstur 3-5, 400372 Cluj-Napoca, Romania

Agriculture, 2022, vol. 12, issue 6, 1-16

Abstract: Medicinal and aromatic plants hold a high share of interest in Romania. To offset the harvesting of spontaneous flora and ensure the sustainable conservation of natural resources, the cropping of highly valuable plants of interest represents a priority for the current agricultural system. This study was conducted due to the need for more balance in species exploitation. Therefore, it assessed the emergence dynamics, leaf appearance, growth and development of the plants depending on row spacing and plant distance. The research was conducted at the INCDCSZ Brașov, within the Technology Department, Laboratory of Medicinal and Aromatic Plants. The density of planting is the most important factor. Plants sown in continuous rows showed the highest yields of fresh and dry herbs, especially when the distance between the rows was set to 25 cm. Row-by-row distances of 50 cm ensure average values for all growth and development parameters. An increase in the row-by-row distance up to 70 cm drastically reduced the dry biomass up to 7.89 t ha −1 in continuous rows, followed by a 2 and 2.5 t ha −1 decrease for 15 cm and 25 cm plant-by-plant distances, respectively. Continuous row planting and a 25 cm row-by-row distance negligibly reduce the climate impact on growth and development. Greater spaces between plants leads to an average increase in individual development, but with a decrease in the total potential yield.

Keywords: dragonhead technology; dry biomass; height; planting distance (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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