Onion response to phosphorus application strategies and in-season nutrient supplementation.
Onion response to phosphorus application strategies and in-season nutrient supplementation.
Author(s): PINTO, J. M.; SHOCK, C. C.; FEIBERT, E. B. G.; SAUNDERS, L. D.
Summary: Germinating onion seed and new onion seedlings have difficulty obtaining adequate phosphorus (P) for ideal early growth. Low soil temperatures in Oregon and Idaho reduce soil P availability early in the growing season. In addition, soil fumigation to improve onion health can have negative effects, reducing mycorrhizal fungi which enhance nutrient absorption by onion roots. At-planting P fertilization could enhance early season growth. Nutrient supplementation through the drip irrigation system during the season could also result in yield enhancements. This trial tested P application at planting and nutrient supplementation during the season with two varieties and two plant populations.
Publication year: 2014
Types of publication: Book sections
Unit: Embrapa Semi-arid Region
Keywords: Adubação, Allium Cepa, Cebola, Fósforo, Germinação, Irrigação, Irrigação por Gotejamento, Onion, Semente
Observation
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