Onion response to phosphorus application strategies and in-season nutrient supplementation.
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.
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Main Authors: | PINTO, J. M., SHOCK, C. C., FEIBERT, E. B. G., SAUNDERS, L. D. |
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Other Authors: | JOSE MARIA PINTO, CPATSA; CLINTON C. SHOCK, Malheur Experiment Station, Oregon State University; ERIK B. G. FEIBERT, Malheur Experiment Station, Oregon State University; LAMONT D. SAUNDERS, Malheur Experiment Station, Oregon State University. |
Format: | Parte de livro biblioteca |
Language: | English eng |
Published: |
2014
|
Subjects: | Onion, Cebola, Irrigação, Adubação, Allium Cepa, Fósforo, Germinação, Irrigação por Gotejamento, Semente, |
Online Access: | http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/992810 |
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