Tillage Effects on Availability of Nitrogen to Corn Following a Winter Green Manure Crop

Autor:	T. W. Scott, M. Sarrantonio
Rok vydání:	1988
Předmět:	Conventional tillage Soil test biology Soil Science chemistry.chemical_element biology.organism_classification Nitrogen Zea mays Crop Tillage Vicia villosa Green manure Agronomy chemistry Environmental science
Zdroj:	Soil Science Society of America Journal. 52:1661-1668
ISSN:	0361-5995
DOI:	10.2136/sssaj1988.03615995005200060029x
Popis:	Fields studies were conducted in 1984 through 1986 to investigate the release of inorganic N to corn (Zea mays L.) following a winter annual green manure crop of hairy vetch (Vicia villosa Roth) that had either been plowed down to 22 cm (conventional tillage, CT), or killed and left on the surface (no-till, NT). Soil samples were taken regularly throughout the season at three depths (0-7.5 cm, 7.5-22 cm and 22-45 cm) and analyzed for organic N. Crop growth and N uptake, as well as various other plant, soil and environmental parameters were also monitored (...)
Databáze:	OpenAIRE
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