STUDY OF COMPACTION AND CROP YIELDS IN LOAMY SAND SOIL AFTER SEVEN YEARS OF REDUCED TILLAGE.

Jonathan Chaplin, Mike Lueders, David Rugg

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

A tillage study was conducted on a Hubbard loamy sand soil in central Minnesota. Tillage regimens included moldboard plowing followed by a furrow press type packer, chisel plowing, no-till or direct planting and ridge planting. All operations were conducted in the spring for corn and soybeans grown in rotation on irrigated 47 m by 15 m plots. A compacted layer, mean cone index 2200 kPa, exists at a depth of 24 cm for the moldboard plow, no-till and ridge regimens, possibly as a result of the previous years' moldboard plowing. Yield differences were not attributed to the compacted layer measured in the wheel track spaces between rows.

Original languageEnglish (US)
Pages (from-to)389-392
Number of pages4
JournalTransactions of the American Society of Agricultural Engineers
Volume29
Issue number2
StatePublished - Mar 1 1986

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