Mycorrhizal colonization and nutrition of wheat and sweet corn grown in manure‐treated and untreated topsoil and subsoil

Autor:	Von D. Jolley, David D. Tarkalson, Richard E. Terry, C. W. Robbins
Rok vydání:	1998
Předmět:	Topsoil Physiology Soil organic matter Calciorthid Crop rotation Biology engineering.material Manure Agronomy Loam engineering Fertilizer Agronomy and Crop Science Subsoil
Zdroj:	Journal of Plant Nutrition. 21:1985-1999
ISSN:	1532-4087 0190-4167
DOI:	10.1080/01904169809365538
Popis:	Dry bean yields (Phaseolus vulgaris L.) were raised to similar levels as the topsoil by manure application to eroded or leveled Portneuf silt loam soil (coarse-silty mixed mesic Durixerollic Calciorthid). Only soil organic matter and zinc (Zn) content of leaf tissue were correlated with improved yields. Manure application increased mycorrhizal colonization and Zn uptake in pot experiments with dry bean which would explain the increased yields in the field. A field study was conducted to see if similar effects of manure and mycorrhizal colonization could be observed in field grown spring wheat (Triticum aestivum L.) and sweet corn (Zea mays L.). This study was conducted on existing experiments established in the spring of 1991 at the USDA-ARS farm in Kimberly, Idaho, to study crop rotation/organic matter amendment treatments on exposed subsoils and focused on mycorrhizal colonization as related to topsoils and subsoils treated with conventional fertilizer (untreated) or dairy
Databáze:	OpenAIRE
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