Tillage effects on soil quality indicators and nematode abundance in loessial soil under long-term no-till production

R. B. Mendoza, T. G. Franti, J. W. Doran, T. O. Powers, C. W. Zanner

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Soil quality indicators and nematode abundance were characterized in a loessial soil under long-term conservation tillage to evaluate the effects of no-till, double-disk, chisel, and moldboard plow treatments. Indicators included soil electrical conductivity (EC), soil texture, soil organic matter (SOM), and total particulate organic matter (tPOM). Nematode abundance was positively correlated with EC, silt content, and total POM and negatively correlated with clay content. Clay content was the main source of variation among soil quality indicators and was negatively correlated with nematode abundance and most indicators. The gain in SOM in the no-till system amounted to 10887 kg over the 24 years or 454 kg ha-1 year-1, about half of this difference (45%) resulting from soil erosion in plowed soils. The balance of gain in SOM with no till (249 kg ha-1 year-1) was due to SOM sequestration with no till. No-till management reduced soil erosion, increased SOM, and enhanced soil physical characteristics.

Original languageEnglish (US)
Pages (from-to)2169-2190
Number of pages22
JournalCommunications in Soil Science and Plant Analysis
Volume39
Issue number13-14
DOIs
StatePublished - Jul 1 2008

Fingerprint

soil quality
tillage
no-tillage
nematode
soil organic matter
soil erosion
Nematoda
Soils
soil
Biological materials
electrical conductivity
clay
moldboard plows
conservation tillage
particulate organic matter
soil texture
soil physical properties
silt
indicator
effect

Keywords

  • Loess
  • Nematode abundance
  • No-till
  • Soil quality
  • Tillage

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Soil Science

Cite this

Tillage effects on soil quality indicators and nematode abundance in loessial soil under long-term no-till production. / Mendoza, R. B.; Franti, T. G.; Doran, J. W.; Powers, T. O.; Zanner, C. W.

In: Communications in Soil Science and Plant Analysis, Vol. 39, No. 13-14, 01.07.2008, p. 2169-2190.

Research output: Contribution to journalArticle

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