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Browsing Theses,Dissertations and Student Research Papers (Horticulture) by Author

Browsing Theses,Dissertations and Student Research Papers (Horticulture) by Author "Geddeda, Yosef Ibrahim"

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Apple mycorrhizae and their effects on growth and nutrient concentration in apple seedlings grown in two soils with varied levels of P

Geddeda, Yosef Ibrahim (1982-06-07)

A study was conducted to characterize the vesicular-arbuscular (VA) fungi of apples grown in Oregon. Using roots and soil from apple orchards as inoculae, six different fungal species were found in pot cultures: Gigas ...
The effects of lime and potassium on mineral uptake in filberts (Corylus avellana L. cv Barcelona) grown in pot culture

Geddeda, Yosef Ibrahim (1975-03-20)

The effects of soil incorporated lime and K on the concentrations of N, P, K, Ca, Mg, Mn, Fe, Cu, B and Zn in the leaves of filbert trees (Corylus aveliana L. cv Barcelona) were investigated. One year old filbert tree ...