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Filtering by: Academic Affiliation Horticulture Remove constraint Academic Affiliation: Horticulture Decade 1990-1999 Remove constraint Decade: 1990-1999 Language English [eng] Remove constraint Language: English [eng] Subject Plants, Effect of nitrogen on Remove constraint Subject: Plants, Effect of nitrogen on

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Diagnostic approaches to evaluate nutrient status, partitioning, mineral dynamics, and relationships with yield and fruit quality of 'Valencia' orange trees

Creator:

Tami, Mohamed

Abstract:

Five nutritional aspects of 'Valencia' orange production in Agadir, Morocco during 1989-1991 were evaluated: 1) the effect of N and K on yield and fruit quality, 2) leaf sampling time and diagnostic approaches to optimize mineral nutrition, 3) mass and mineral partitioning within individual trees, 4) K-Rb relationships, and 5)...

Resource Type:

Dissertation
Effects of irrigation and nitrogen on cauliflower development, yield and quality

Creator:

Bratsch, Anthony D.

Abstract:

Field experiments were conducted with cauliflower (Brassica oleracea var. botrytis cv. Snowball Y ) to determine crop development, yield, quality and maturity response to various seasonal water levels, and to specific water stress timing in relation to curd initiation. The effects of nitrogen rate, timing, and source and the application...

Resource Type:

Dissertation
Nitrogen and environmental factors influence bark storage protein gene expression in poplar

Creator:

Banados, Maria Pilar

Abstract:

In poplar (Populus spp.) a 32-kilodalton bark storage protein (BSP) accumulates during the fall and winter, and is thought to be a major storage form of overwintering nitrogen. BSP is induced by short-day (SD) photoperiod, and under natural conditions BSP accumulation coincides with the induction of dormancy. Because BSP accumulates...

Resource Type:

Masters Thesis
Nitrogen dynamics in field grown comice pears

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
Effects of nitrogen source, rate and a nitrification inhibitor on soil nitrogen status and mineral composition of strawberry

Creator:

Marion, Carol I.

Abstract:

Three rates of urea, urea-DCD, and NH₄N0₃ were soil applied in April and August 1986 to strawberry selection OR-US 4930 and cultivar 'Sumas' to determine effects of the nitrification inhibitor dicyandiamide (DCD) and nitrogen source and rate on soil NH₄ and N0₃ levels, fruit yield and quality, and mineral composition...

Resource Type:

Masters Thesis
Influence of nitrogen form ratio and calcium on greenhouse and field performance of watermelon

Creator:

Lamb, Michael J.

Abstract:

Watermelon (Citrullus lanatus (Thunb.) Matsum. & Nakai var. Crimson Sweet) was seeded in a commercial peat mix in multicell containers (72 cells-tray⁻¹, 40 cm³-cell⁻¹) in July 1989 and April 1990. In 1989, the medium was amended with CaC0₃ at 10% w:v. In 1990, no CaC0₃ amendment was made. Watermelon seedling...

Resource Type:

Masters Thesis
Photosynthesis in relation to nitrogen in apple (Malus domestica Borkh.) leaves

Creator:

Cheng, Lailiang

Resource Type:

Dissertation

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Academic Affiliation

Horticulture[remove]7

Advisor

Righetti, Timothy L.2
Chen, Tony H. H.1
Clough, George H.1
Fuchigami, Leslie H.1
Hemphill, Delbert D.1
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Commencement Year

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Current results range from 1991 to 2000

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Committee Member

Powelson, Mary3
Bond, Barbara1
Breen, Pat1
Burget, D. M.1
Candolfi, Carmo1
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Creator

Banados, Maria Pilar1
Bratsch, Anthony D.1
Cheng, Lailiang1
Lamb, Michael J.1
Marion, Carol I.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1990 to 1999

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Decade

1990-1999[remove]7

Degree Field

Horticulture7

Degree Level

Doctoral4
Master's3

Degree Name

Doctor of Philosophy (Ph.D.)4
Master of Science (M.S.)3

Language

English [eng][remove]7

Non-Academic Affiliation

Oregon State University. Graduate School7

Peer Reviewed

No7

Resource Type

Dissertation4
Masters Thesis3

Rights Statement

Copyright Not Evaluated7

Subject

Plants, Effect of nitrogen on[remove]7
Apples -- Physiology1
Calcium fertilizers1
Cauliflower -- Effect of stress on1
Nitrification inhibitors1
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