Subsurface Compaction Effects on Tillering and Nitrogen Accumulation in Wheat

Autor:	M. Oussible, R. K. Crookston, R. R. Allmaras, R. D. Wynch
Rok vydání:	1993
Předmět:	Soil structure Agronomy chemistry Loam Field experiment Compaction Environmental science chemistry.chemical_element Poaceae Seeding Mollisol Agronomy and Crop Science Nitrogen
Zdroj:	Agronomy Journal. 85:619-625
ISSN:	1435-0645 0002-1962
DOI:	10.2134/agronj1993.00021962008500030019x
Popis:	Compaction in the 0.05- to 0.30-m depth may limit tillering and N accumulation in wheat (Triticum aestivum L.); these effects may be yield reducing. Before imposing compaction treatments in a field study in Minnesota, perforated small-diameter tubing was buried in a Waukegan silt loam (sandy skeletal, mixed, mesic Typic Hapludoll) at a depth of 0.2 m in all plots. Compacted plots each received four passes with a heavy vibrating roller, while control plots were disk plowed and then disk harrowed. All plots were then surface roto-tilled and seeded to wheat. At early tillering a K 15 NO 3 solution was applied to the subsurface via the tubing [...]
Databáze:	OpenAIRE
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