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Folia Microbiologica

, Volume 8, Issue 6, pp 356–361 | Cite as

Effect of glucose on the decomposition of organic materials added to soil

  • J. Szolnoki
  • F. Kunc
  • J. Macura
  • V. Vančura
Article

Abstract

The effect of glucose on the decomposition of plant material in soil was studied. Soil samples were enriched with different fractions of labelled alfalfa: the soluble dialyzable fraction, the soluble nondialyzable fraction, cellulose-lignin, lucerne meal. The added substances were decomposed for 42 days. One soil sample in every experimental variant was then percolated with water and another with 200 ml. 0.5% glucose for another 21 days. It was found that the effect of glucose on decomposition of the plant material depended on the latter’s composition and degree of decomposition. It was small in soils pre-enriched with soluble alfalfa fractions, decomposition of which was largely completed within the given time. Glucose markedly inhibited the release of radioactive carbon from the celluloselignin fraction and stimulated the formation of radioactive carbon dioxide from alfalfa meal.

Keywords

Soil Organic Matter Percolate Glucose Solution Barium Carbonate Alfalfa Meal 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Действие глюкозы на разложение органических веществ, приБавленных к почве

Abstract

Исследовалось действие глюкозы на разложение растительного материала в почве. Образцы почвы обогащали различными фракциями мененой люцерны: растворимая диализующаяся фракция, растворимая недиализующаяся фракция, целлюлоза-лигнин, мука из люцерны. Прибавленные материалы разлагались в течение 42 дней, после чего по 1 образцу почвы каждого варианта проливали водой, а второй образец— 200 мл 0,5% глюкозы в течение еще 21 дня. Оказалось, что действие глюкозы на разложение растительного материала зависит от его состава и от степени разложения: это действие было незначительным в почве, предварительно обогащенной растворимыми фракциями люцерны, разложение которых в указанные сроки уже было в значительной степени закончено. Действие глюкозы заметно понижало освобождение радиоактивного углерода из фракции целлюлоза-лигнин и, наоборот, стимулировало образование из люцерны двуокиси углерода.

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Copyright information

© Nakladatelství Československé akademie věd 1963

Authors and Affiliations

  • J. Szolnoki
    • 1
  • F. Kunc
    • 1
  • J. Macura
    • 1
  • V. Vančura
    • 1
  1. 1.Department of Soil Microbiology, Institute of MicrobiologyCzechoslovak Academy of SciencesPrague 6

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