Published June 1946. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Published July 1970. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Reprinted January 1995. Revised from two publications from two publications prepared by several OSU Extension specialists and agents. This publication replaces FG 61, Using Wood Ashes in the Home Garden, and FG 66, Fertilizing Home Gardens.
Fertilizer studies at the Oregon State University Vegetable
Research Farm were conducted for two years to evaluate the effect
of different nutrient sources on yield and selected quality components.
Sources of nutrients included sewage sludge, fresh and dried poultry
manure, a soybean residue from oil extraction, and several mineral
fertilizers....
Published October 1970. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Three greenhouse experiments were designed to measure the
effects of N, K and Cl on the nutrient uptake by Russet Burbank potatoes
(Solanum tuberosum). A Deschutes sandy loam soil from Powell
Butte area in Central Oregon, low in potassium, was used to study
these effects.
Nitrogen applications produced significant increases...
Published April 1968. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog