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Root distribution pattern of sour cherry trees in an alluvial soil

Chao Xuan Yang*, Andrzej Sadowski**

**Zheng Zhou Institute of Pomology
**Chinese Academy of Agricultural Science
**Zheng Zhou, Henan, 450004 China
**Department of Pomology
**Warsaw Agricultural University
**Nowoursynowska 166, 02-787 Warszawa, Poland

The root distribution of 8-year-old, self-rooted Schattenmorelle' sour cherry trees and of trees on Prunus avium seedlings, either fertilized with annual doses of 60 kg N/ha or non-fertilized, was determined using the excavation block method. The root system of self-rooted trees was smaller than that of the trees on seedlings, on the basis of the weight of total roots. The fertilized trees had a larger root system than the non-fertilized ones. The latter trees had a higher percentage of roots of all categories distributed under the herbicide strip than the fertilized trees. The maximum rooting depth reached 110 or 150 cm and was restricted by the ground water level. On the whole, between 84 and 90% of total root weight of all types of trees were found at a depth of 0 to 60 cm. The percentage of fine and thin roots of self-rooted trees showed a slower decrease with depth; this suggested that the root distribution of self-rooted trees was no shallower than that of the trees on seedlings.

Yang Ch.X., Sadowski A., 1998. Root distribution pattern of sour cherry tress in an alluvial soil. Folia Horticulturae 10/2: 85-95.