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Date of Award
Open Access Dissertation
Doctor of Philosophy (PhD)
The purpose of this investigation is to study the availability of the nitrogen in oak and maple leaves and in certain vegetable manures. Biological, chemical and cultural methods were used to measure the possible amount of nitrogen capable of utilization by the higher plants.
Serex, Paul, "Availability of nitrogen in some organic vegetable substances" (1923). Doctoral Dissertations 1896 - February 2014. 891.