Browsing Extension Service -- Fertilizer Guides by Author "Righetti, T."

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Pears

Oregon State University. Extension Service; Hart, John M. (John Mervyn), 1947-; Righetti, T.; Stevens, B.; Stebbins, B.; Lombard, P.; Burkhart, D.; Van Buskirk, P. (199?)

Fruit tree fertilization is a standard grower practice intended to supplement soil-supplied nutrients. Both soil-applied fertilizers and nutrients stored within the tree are important. Tree reserves are the major source ...
Strawberries: western Oregon, west of Cascades

Oregon State University. Extension Service; Hart, John M. (John Mervyn), 1947-; Righetti, T.; Sheets, W. A. (Willis Arden); Martin, L. W. (Corvallis : Oregon State University, Extension Service, 1988-01)

Fertilizer recommendations in this guide are based on the use of well-adapted varieties and disease free plants, selection of suitable soils, disease and insect control, weed control, and proper irrigation. Application ...