Effects of nitrogen fertilization on carbon flows in soils with contrasting texture

K. Rajkai, Krisztina R. Végh, Tibor Szili-Kovács, Imre Cserni

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The effects of mineral nitrogen fertilization on the total organic carbon (TOC), total nitrogen (TN), soil microbial biomass C and N (MBC, MBN), root length density and carbon input and the rate of cellulose decomposition were studied in soils with different physical properties and fertility in intensive, high productive tomato culture. Plant C and N accumulation as well as fruit yield were depended on soil type and N rate. N fertilization significantly affected on the carbon input by the root biomass of the crop. Significant effects of N fertilization rates neither on soil MBC nor on MBN were shown at harvest; by that time the inorganic N content of the soils became depleted by crops and only the effects of the soil type could be detected. Stimulating effect of N fertilization on the rate of cellulose decomposition during crop growth indicates the inorganic N demand of MB competing with crop roots for the nutrients.

Original languageEnglish
Pages (from-to)1871-1874
Number of pages4
JournalCereal Research Communications
Volume36
Issue numberSUPPL. 5
DOIs
Publication statusPublished - 2008

Fingerprint

Fertilization
Nitrogen
Soil
Carbon
texture
carbon
nitrogen
soil types
soil
cellulose
crops
Cellulose
Biomass
degradation
energy crops
fruit yield
microbial biomass
soil fertility
physical properties
tomatoes

Keywords

  • Decomposition rate
  • Nitrogen supply
  • Organic carbon
  • Root length density
  • Soil microbial biomass C and N
  • Three soil textures
  • Tomato

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Genetics
  • Physiology

Cite this

Effects of nitrogen fertilization on carbon flows in soils with contrasting texture. / Rajkai, K.; Végh, Krisztina R.; Szili-Kovács, Tibor; Cserni, Imre.

In: Cereal Research Communications, Vol. 36, No. SUPPL. 5, 2008, p. 1871-1874.

Research output: Contribution to journalArticle

Rajkai, K. ; Végh, Krisztina R. ; Szili-Kovács, Tibor ; Cserni, Imre. / Effects of nitrogen fertilization on carbon flows in soils with contrasting texture. In: Cereal Research Communications. 2008 ; Vol. 36, No. SUPPL. 5. pp. 1871-1874.
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