School of Agriculture, Food and Ecosystem Sciences - Theses

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Type: Doctorate × Author: Barley, K. P. ×

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    Soil-plant relationships : with particular reference to soil physical properties and root growth
    Barley, K. P. (University of Melbourne, 1974)
    The candidate was admitted to the degrees of Bachelor of Agricultural Science (1948) and Master of Agricultural Science (1952) in the University of Melbourne. He was awarded the degree of Doctor of Philosophy (1958) by the University of Adelaide. The candidate is eligible, subject to approval of the Faculty of Agriculture, for candidature for the degree of Doctor of Agricultural Science. This thesis is submitted to the University of Melbourne towards the requirements for that degree. The experiments described in the thesis were conducted chiefly at the C.S.I.R.O Regional Pastoral Laboratory, Deniliquin, New South Wales (l950-54), and at the Waite Agricultural Research Institute, University of Adelaide (1955 onwards). During these periods, one year, 1952, was spent at Cornell University, Ithaca, New York, and another, 1961, at the Department of Soils and Plant Nutrition, University of California, Berkeley. Part of 1968 was spent at the Department of Botany, University of Edinburgh. The papers presented in the thesis deal with processes operating in soil-plant systems of agronomic interest. Although the work has not, for the most part, been immediately applied to agriculture by the candidate, it is hoped that it may lead to a better understanding of principles that affect soil management. The work is viewed as a contribution to the scientific study of the soil as a medium for the growth of crops. A short account of the general development of the work is followed by sections dealing with particular subjects. The following sequence is adopted for each subject: Firstly the relevant papers of the candidate are listed in chronological order. Secondly, the papers are discussed in relation to other published work. Finally, the candidate's papers are assembled, also in chronological order. References to papers mentioned in discussion are given at the end of the thesis.