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연초경작지 토양의 인산 축적에 관한 연구
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  • 연초경작지 토양의 인산 축적에 관한 연구
  • Studies on the Phosphate Accumulation in Tobacco Production Area
저자명
김용현,정훈채,박수준,윤병익,김웅주
간행물명
한국연초학회지
권/호정보
1991년|13권 2호|pp.71-79 (9 pages)
발행정보
한국연초학회
파일정보
정기간행물|
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

The experiment was conducted to investigate accumulation o( phosphate in tobacco production area. The results are as follows: 1) The content of available P in burley production area was about 200ppm higher than that in flue-cured tobacco production area, the available P content of 20% tobacco fields surveyed was above 1000ppm P. 2) Tobacco fields having 200ppm of available P which were grouped as medium category for phosphate recommendation were more than 90% out of tobacco fields surveyed. 3) Total phosphate content was above 4000ppm in 42.5% burley tobacco fields before transplanting, and 2000~3000ppm in about 40% flue-cured tobacco fields. 4) Phosphate fractions in soil increased in order of Al-P > Fe-P > Ca-p, and their content was about 50% of total phosphate in tobacco fields surveyed. 5) pH value in most of tobacco fields surveyed ranged from 4.5 to 5.0 and, field soils with pH value below 5.5 were 64 %.