Root density of cherry trees grafted on prunus mahaleb in a semi-arid region
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Department of Soil Physics, National Research Institute for Soil Science, Agrochemistry and Environmental Protection - ICPA, Bucharest, Bd-ul Marasti, No. 61, sector 1, postal code 011464, Romania
Research Station for Fruit Growing Constanta, str. Pepinierei, No. 1, Valu lui Traian, judetul Constanta, Romania
Research Institute for Fruit Growing Pitesti-Maracineni, comuna Maracineni, judetul Arges, Romania
Publication date: 2016-07-21
Int. Agrophys. 2016, 30(3): 339-348
Root density was investigated using the trench method in a cherry (Prunus avium grafted on Prunus mahaleb) orchard with clean cultivation in inter-rows and in-row. Trenches of 1 m width and 1.2 m depth were dug up between neighbouring trees. The objectives of the paper were to clarify the spatial distribution of root density of cherry trees under the soil and climate conditions of the region to expand knowledge of optimum planting distance and orchard management for a broad area of chernozems. Some soil physical properties were significantly worsened in inter-rows versus in-row, mainly due to soil compaction, and there were higher root density values in in-row versus inter-rows. Root density decreased more intensely with soil depth than with distance from trees. The pattern of root density suggests that the cherry tree density and fruit yield could be increased. However, other factors concerning orchard management and fruit yield should also be considered. The results obtained have a potential impact to improve irrigation and fertilizer application by various methods, considering the soil depth and distance from trees to wet soil, in accordance with root development.
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