Index Catalog // ScholarsArchive@OSU

Creator:: Halsey, Mark Evan
Resource Type:: Dissertation
Full Text:: fertilizers and untreated or suppressive soils Table 5. Effect of previous crop, fumigation, and fertilizer

Creator:: Mestas, Angie
Abstract:: Phytophthora root rot decreases availability and quality of rhododendrons produced in the USA. Symptoms of Phytophthora root rot include root necrosis, leaf chlorosis, stunting, and permanent wilt. The purpose of this thesis was to better understand the impact of root damage, soil moisture, nitrogen fertilizer application, and pathogen species on...
Resource Type:: Masters Thesis
Full Text:: + had lower foliar concentrations of N, potassium (K), calcium (Ca), sulfur (S), boron (B), and

Creator:: Berlanger, Ingrid E.
Abstract:: Green manures, soil solarization, and long rotations with crops not susceptible to Verticillium wilt are among the disease management tactics currently under investigation as alternatives to chemical fumigation of soil. The effect of a broccoli green manure on soil microsclerotial populations of three isolates of Verticillium dahliae and on Verticillium...
Resource Type:: Masters Thesis
Full Text:: ofsmokebush and amur maple. TABLE OF CONTENTS INTRODUCTION

Creator:: Peek, Chester Allen
Resource Type:: Dissertation
Full Text:: , and inspiration as well, during the course of this study. TABLE OF CONTENTS INTRODUCTION REVIEW

Creator:: Nigh, Edward L.
Resource Type:: Dissertation
Full Text:: students, grateful and humble appreciation is hereby expressed. TABLE OF CONTENTS Page INTRODUCTION

Creator:: Silvernail, Ian S.
Abstract:: The role of unusual geologies in plant distribution and form is well-known. Serpentine (ultramafic) soils exert a particularly strong influence on plants, as evidenced by a high level of endemism and the morphological and physiological traits displayed in adaptation to the extraordinary chemistry of these substrates. Adaptation may lead to...
Resource Type:: Masters Thesis
Full Text:: , potassium, magnesium, calcium, sodium, nitrogen, sulfur, zinc, manganese, iron, copper, and boron

Creator:: Apple, Jeanne Debons
Abstract:: A potato plant growth and production model is developed with the objectives of analyzing management alternatives and exploring the nature of the early dying syndrome. The geographic area of focus was the centerpivot irrigated circles of Oregon's Columbia Basin. A problem analysis of the potato production system of this area,...
Resource Type:: Dissertation
Full Text:: and Harvest Date 22 Fertilizer Schedule and Range of Application 23 Cultivation 26 Fumigation and

ScholarsArchive@OSU