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Creator:: Sanchez, Enrique E.
Abstract:: The dynamics of N was studied in field grown Comice/Provence quince BA29 pears in Medford, Oregon. Total tree biomass, N content, and ¹⁵N evaluations suggest that young pears require little N (48 kg N ha⁻¹ yr⁻¹). About 45% of total tree N present in dormant trees was remobilized into new...
Resource Type:: Dissertation
Full Text:: 12 Sites of Nitrogen Storage 13 Mobilization of Nitrogen in the Sprin ... 15 Effect of Nitrogen

Creator:: Brenner, Loretta K.
Resource Type:: Masters Thesis
Full Text:: , ground cover management had no significant effect on Christmas tree growth. In 1986, canopy volume and

Creator:: Alkoshab, Othman
Abstract:: This study evaluates Beufil's Diagnosis and Recommendation Integrated System (DRIS) on hazelnuts. Although sufficiency ranges are currently the main approach for fertilizer recommendations in Oregon, DRIS enhanced nutritional interpretations, and might alter recommendations. Reference values (DRIS norms) were developed using 15 years of published and unpublished field data. DRIS indices...
Resource Type:: Masters Thesis
Full Text:: . Effect of corn leaf sampled on N, P, K, Ca and Mg content and calculated DRIS indices. Commun. in Soil

Creator:: Shrestha, Gyan Kumar
Abstract:: Boron sprays produced fruit set increases in 'Barcelona' hazelnut orchards in 1984 and in 1985. The absolute fruit set was correlated with leaf B content but not with nut B. With relative fruit set (RFS), B content of nuts in May (r = 0.63**) was more strongly related to set...
Resource Type:: Dissertation
Full Text:: disorders. Although low B content in pith tissues was negatively correlated with BS low B may be an effect

Creator:: Alkoshab, Othman
Abstract:: A portion of this study was initiated to provide the basis for implementing a chill unit accumulation procedure in Yemen. Most continuous or daily minimum, maximum temperature models severely underestimated chilling units, and slight modifications offered little improvement for the complex models. Only the Crossa Raynaud formula approximated generally accepted...
Resource Type:: Dissertation
Full Text:: ethylene in promoting bud break has been debated, but effects are generally considered minimal (90

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