PRODUCTIVITY OF BIRCH JUICE ACCORDING TO THE NUMBER OF CHANNELS ON THE TRUNK

Authors

  • Анатолий Васильевич Грязькин Saint-Petersburg State Forest Technical University named after S.M. Kirov
  • Александр Владимирович Любимов Saint-Petersburg State Forest Technical University named after S.M. Kirov
  • Ирина Дмитриевна Самсонова Saint-Petersburg State Forest Technical University named after S.M. Kirov
  • Хетаг Муратович Хетагуров Saint-Petersburg State Forest Technical University named after S.M. Kirov
  • Ву Ван Хунг Saint-Petersburg State Forest Technical University named after S.M. Kirov
  • Григорий Васильевич Ванджурак Saint-Petersburg State Forestry University named after S.M. Kirov

Keywords:

forest phytocenoses, forest stand, birch, intensity of macovigilance, juice productivity of birch

Abstract

Intensity of the outpouring and productivity of birch juice for the forest stand in terms of the myrt llus forest type was determined. It was established that the intensity of outpouring and juice-productivity birch trees significantly depends on the trunk diameter and the number of channels. A clear dependence of the intensity of outpouring and juice-productivity trees from the position of channels on the trunk sides is not determined. Results of investigation indicate that according to the trunk diameter and number of channels per tree, from 0.95 to 6.43 liters of juice may be obtained. The seasonal amount of birch juice may be collected in mixed birch stand of myrtillus type is varied from 12 to 16 tons per hectare.

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Author Biographies

Анатолий Васильевич Грязькин, Saint-Petersburg State Forest Technical University named after S.M. Kirov

Doctor of Biological Sciences, Professor of the chair “Forestry”, Saint-Petersburg State Forest Technical University named after S.M. Kirov. Russia.

Александр Владимирович Любимов, Saint-Petersburg State Forest Technical University named after S.M. Kirov

Doctor of Agricultural Sciences, Professor of the chair “Forest Inventory and Inventory Management”, Saint-Petersburg State Forest Technical University named after S.M. Kirov. Russia.

Ирина Дмитриевна Самсонова, Saint-Petersburg State Forest Technical University named after S.M. Kirov

Doctor of Biological Sciences, Professor of the chair “Forestry”, Saint-Petersburg State Forest Technical University named after S.M. Kirov. Russia.

Хетаг Муратович Хетагуров, Saint-Petersburg State Forest Technical University named after S.M. Kirov

Candidate of Biological Sciences, Professor of the chair “Forestry and Forest Protection”, Saint-Petersburg State Forest Technical University named after S.M. Kirov. Russia.

Ву Ван Хунг, Saint-Petersburg State Forest Technical University named after S.M. Kirov

Post-graduate Student of the chair “Forestry”, Saint-Petersburg State Forest Technical University named after S.M. Kirov. Russia.

Григорий Васильевич Ванджурак, Saint-Petersburg State Forestry University named after S.M. Kirov

Post-graduate Student of the chair “Forestry”, Saint-Petersburg State Forest Technical University named after S.M. Kirov. Russia.

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Published

2017-11-27

Issue

Section

Естественные науки

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