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제주도토양의 무기태인산(無機態燐酸) 조성(組成)과 유효인산의 정량법(定量法) 비교(比較)
신철우,류인수,윤정희,Shin, Cheol-Woo,Ryu, In-Soo,Yoon, Jung-Hui 한국토양비료학회 1981 한국토양비료학회지 Vol.13 No.3
4종(種)의 제주도 토양에 인산질비료(燐酸質肥料)를 시용(施用)한후 무기태인산(無機態燐酸)의 형태별(形態別) 함량변화와 수종 침출액(浸出液)에 의한 유효인산(有效燐酸) 침출량(浸出量)을 실내실험으로 조사(調査)하여 비교(比較) 검토한 결과(結果)는 다음과 같다. 1. 총인산에 대한 무기태인산(無機態燐酸)의 비율(比率)은 토양종류에 따라 달라 Al-P는 6.9-28.8%, Fe-P는 24.1~26.9%, Ca-P는 7.4~11.9% 범위이며 유효인산(有效燐酸)은 0.7-8.0%로 매우 낮았다. 2. 토양종류별로 인산(燐酸)을 시용(施用)한 후(後) 60일후(日後)에 조사(調査)한 토양인산의 형태별(形態別) 조성(組成)을 본 결과(結果) 흑색토(黑色土)에서는 Al-P>Fe-P> Ca-P, 농암갈색토(濃暗褐色土)에서는 Fe-P> Al-P> Ca-P, 암갈색토(暗褐色土)에서는 Fe-P> Ca-P> Al-P. 적황색토(赤黃色土)에서는 Fe-P> Al-P> Ca-P의 순(順)으로 나타나 토양별 차이(差異)가 있었다. 3. 5종(種)의 침출액(浸出液)으로 토양별 유효인산(有效燐酸)을 검정한 결과(結果) Bray No.2법(法)은 토양종류에 관계없이 어느 토양에서나 침출능(浸出能)이 컸으나 그 외의 방법(方法)들은 토양의 종류별(種類別)로 침출능(浸出能)이 상이(相異)하게 나타났다. 4. 유효인산(有效燐酸) 침출방법(浸出方法)과 무기태인산(無機態燐酸) 함량(含量)과의 관계에서 Bray No.2법(法)은 Ca-P와 5%수준에서, Olsen법(法)은 Al-P, Fe-P, Ca-P 및 Total-P와 각각 1%수준에서 유의(有意)한 관계를 보였다. Laboratory experiment was carried out to investigate the changes in the amount of inorganic phosphorus fractions of native and applied phosphorus and to compare the some analytical methods of soil phosphorus in volcanic ash. The rates of inorganic phosphorus to total-pP were varied with the kinds of soil in the ranges of 6.9 to 28.8% for Al-P, 24.1 to 26.9% for Fe-P, 7.4 to 11.9% for Ca-P and 0.7 to 8.0% for available phosphorus. The composition of inorganic phosphorus after incubation for 60 days was in the order of Al-P>Fe-P>Ca-P in Black soil, Fe-P>Al-P>Ca-P in Very dark brown soil, Fe-P>Ca-P>Al-P in Dark brown soil and Fe-P Al-P>Ca-P on Red yellow soil. The amounts of phosphorus extracted from soil varied with the methods for available phosphorus estimation. The magnitute of available P measured by Bray No. 2 method was the greatest. In relationship between inorganic phosphorus forms and available phophorus, Bray No. 2 method was closely related to Ca-P only and Olsen method correlated to Al-P, Fe-P, Ca-P and Total-P.
申澈雨 淸州大學校 1981 論文集 Vol.14 No.2
In the article named "Revolution of thoughts" in the collection of article of Cheongju University, Vol. 9, in 1976, I argued that we must admit the existence of the some operationability in an ultimate particle, and I named the particle, which has a self-cause, as a viscid particle. This particle is not the one which physicists and chemists have thought so far as an atomic particle, but the one which has a self motive-cause, and hence it should be described by the structure of the particle. Embryology and Oriental medical science would provide good data for the explanation of the problem, and if we put it as Oriental intellectuals have believed, it gives us the image of a particle which contains the various causes in physics in the present day. Furthermore, it is the image of an active particle; in another word, that of a viscid particle, and I am sure that the image of this new particle as a new principle will help to solve various difficulties that we encounter in every field of science nowadys.