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논문 기본 정보

자료유형
학술저널
저자정보
Hyo-Jung Choi (JBARES) Byung-Koo Ahn (JBARES) Do-Young Ko (JBARES) Hyo-Jin Kim (JBARES) Hyong-Gwon Chon (JBARES) Ye-Jin Lee (Rural Development Administration) Seok-In Yun (Wonkwang University)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제53권 제3호
발행연도
2020.8
수록면
323 - 334 (12page)

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초록· 키워드

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An experiment was conducted to study the effect of top dressing application of Phosphorus (P) fertilizer on the growth and P absorption rate of red pepper in different cropping systems of the upland. P fertilizer was applied with no treatment as control (CON), basal dressing application (BDA), 2 times-split of top dressing applications (2-TDA) and 3 times-split of top dressing applications (3-TDA). Red peppers were grown for 110 days and soil characteristics and crop growth were investigated every 20 days. Dry matter yield of red pepper significantly increased at the 2-TDA and 3-TDA but decreased at the CON and BDA due probably to the decrease or increase in available P. In particular, at 3-TDA there was an increase in growth and P absorption rate of red pepper. The fruit dry matter weight of red pepper receiving 3-TDA was 961.7 ㎏ 10a<SUP>-1</SUP>, which was significantly higher than those receiving CON and BDA in Rainproof cultivation. In case of the Rainproof cultivation, we found out both P fertilization use effect and top dressing applications effect because there was low available P content of soil used in the experiment in comparison other cultivation type. Therefore, considering the dual goal of optimum crop growth and maximum P distribution instead of immobilization with soil, this study suggests that a testing of a site-specific proper application method of P including top dressing applications is prerequisite to achieving optimum agricultural productivity while minimizing nutrition quality misuse.

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ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2020-523-001160194