Výsledky vyhledávání

Influence of seed placement on Russet Burbank potato yield and grade

Autor: J. C. Ojala, J. L. Halderson, Gale W. Harding, E. V. Musselman

Publikováno v: American Potato Journal. 69:31-38

Potato seed pieces were hand planted with different spacings in the row and percentages of doubles to determine the effects on total yield and tuber size distribution. The objective was to determine acceptable performance levels for commercial potato

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf0e4242c8dedc8a96b6925e9d6b44db
https://doi.org/10.1007/bf02853408

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Frontier Russet: A new potato variety for early fresh and processing use with resistance to Fusarium dry rot

Autor: S. R. James, Stephen L. Love, David G. Holm, D. C. Hane, W. M. Iritani, C. E. Stanger, J. C. Ojala, M. W. Martin, R. E. Thornton, Dennis L. Corsini, Joseph J. Pavek, A. R. Mosley

Publikováno v: American Potato Journal. 68:525-532

Frontier Russet, a new, medium-early potato variety, was jointly released to growers by the U.S. Department of Agriculture and the Agricultural Experiment Stations of Idaho, Oregon, Washington, and Colorado on April 9, 1990. It was tested in irrigate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf4fb52a6d71ef0a8a092d555dff3a13
https://doi.org/10.1007/bf02853769

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Influence of irrigation and nitrogen management on potato yield and quality

Autor: J. C. Ojala, G. E. Kleinkopf, Jeffrey C. Stark

Publikováno v: American Potato Journal. 67:29-43

The effects of irrigation, water and nitrogen management on yield and quality of the Russet Burbank cultivar are discussed relevant to developmental stages of growth. Recent research on the interactions of irrigation and nitrogen management on total

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c4be1017f8960598f198951b30b2fd03
https://doi.org/10.1007/bf02986910

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Predicting Mycorrhizal Dependency of Troyer Citrange on Glomus fasciculatus in California Citrus Soils and Nursery Mixes

Autor: J. C. Ojala, W. M. Jarrell, E. L. V. Johnson, C. K. Labanauskas, D. Sibert, C. Huszar, John A. Menge

Publikováno v: Soil Science Society of America Journal. 46:762-768

In a greenhouse experiment the mycorrhizal fungus, Glomus fasciculatus, significantly increased growth of Troyer citrange (Poncirus trifoliata L.) (TC) seedlings in 20 of 26 methylbromide-fumigated citrus soils from southern California. Of the six so

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::95c6064f41559077e98b3d37bc9722b0
https://doi.org/10.2136/sssaj1982.03615995004600040019x

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Comparison of Soil Phosphorus Extractants as Predictors of Mycorrhizal Dependency

Autor: W. M. Jarrell, John A. Menge, J. C. Ojala, E. L. V. Johnson

Publikováno v: Soil Science Society of America Journal. 47:958-962

Etude de 5 techniques et de leur valeur a prevoir la reponse en croissance des agrumes aux champignons mycorhiziens (Poncirus trifoliata × Citrus sinensis)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::64e88a4f12e95425cdcd769dcec11ae2
https://doi.org/10.2136/sssaj1983.03615995004700050023x

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Hydroponic sand culture systems for mycorrhizal research

Autor: W. M. Jarrell, J. C. Ojala

Publikováno v: Plant and Soil. 57:297-303

Tomato plants were inoculated withGlomus fasciculatus mycorrhizal fungi while growing in sand through which recycled nutrient solution was automatically passed several times daily. Concentration of P and N in the solution were maintained at relativel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::22615bc1de81d33a98a1bba444f0abb2
https://doi.org/10.1007/bf02211688

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Influence of Mycorrhizal Fungi on the Mineral Nutrition and Yield of Onion in Saline Soil 1

Autor: J. C. Ojala, W. M. Jarrell, J. A. Menge, E. L. V. Johnson

Publikováno v: Agronomy Journal. 75:255-259

Sweet violet (Viola odorata L.) blooms in early spring in the continental climate conditions. It is often collected from its natural habitat which is thus devastated. In decorative horticulture it is used for cutting and planting in gardens.The surve

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::74087c62a13f6ca9028818f2dd7aaf0c
https://doi.org/10.2134/agronj1983.00021962007500020023x

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Nutrient Diagnosis of ‘Valencia’ Oranges by DRIS

Autor: R. B. Beverly, J. C. Stark, J. C. Ojala, T. W. Embleton

Publikováno v: Journal of the American Society for Horticultural Science. 109:649-654

Reference values were derived from field data for use in evaluating the N, P, K, Ca, and Mg status of ‘Valencia’ orange (Citrus sinensis [L.] Osbeck) trees by the Diagnosis and Recommendation Integrated System (DRIS). DRIS diagnoses generally agr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5accd72b8da459ac6dc553d354c73537
https://doi.org/10.21273/jashs.109.5.649

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Comparison of Banded Ammonium Polyphosphate and Acid Urea Phosphate as P Sources for Potatoes

Autor: J. C. Stark, J. C. Ojala

Publikováno v: HortScience. 24:282-284

Field studies were conducted in 1985 and 1986 to compare the effects of banded ammonium polyphosphate (APP) and acid urea phosphate (AUP) on P nutrition and yield of potatoes (Solanum tuberosum L. cv. Russet Burbank). The studies were conducted on a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::77130189c48ee4420dd12c8b23d02258
https://doi.org/10.21273/hortsci.24.2.282

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