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Information on Movement of the Phosphorus(P) Fertilizers in the Turfgrass Soils of Golf Course

골프장의 잔디 토양에서 인산 비료의 이동성 평가를 위한 정보 구축

  • 정근욱 (충북대학교 농업생명환경대학 농화학과) ;
  • 백기태 (식물자원학과) ;
  • 고성환 (금오공과대학교 토목환경공학부 환경공학과) ;
  • 노재관 (주식회사 에코필) ;
  • 이경호 (충청북도 농업기술원) ;
  • 우선희 (경주대학교 환경계획학과)
  • Published : 2008.08.28

Abstract

This study was initiated to evaluate the Phosphorus(P) leaching potential in the putting green soils and P uptake by the turfgrass in the golf course using the P fertilizers. The turfgrass, Floradwarf bermudagrass(Cynodon dactylon L. PERS,) was planted and grown in the mixture of sand and peat moss in this lysimeter study. Five representative P fertilizers, such as, ammonium polyphosphate (APP), monopotassium phosphate (MKP), MAP(monoammonium phosphate), 0-20-20(liquid), and concentrated superphosphate(CSP, solid) were used in this study. Based on the total P quantity of leachate collected during the whole 12 weeks, MKP and APP are the first group of P fertilizers contributing to the leaching of P, then MAP and 0-20-20 are the second group of P fertilizers causing the P leaching. Finally, CSP is the third group of P fertilizer resulting in the P leaching. However, most of P applied and collected in the lysimeter were leached during the first period of two and four weeks, compared to that of P leached during the second period of six, eight, ten, and twelve weeks. Applications of MAP, APP and CSP, MKP and 0-20-20 in order produced the largest amount of total dry matter. However, APP, MKP and MAP, CSP and 0-20-20 in order showed the largest amount of P uptake. Therefore, based on the data of P leaching, dry matter production, and plant P uptake, it appears that CSP, 0-20-20, and MAP are the environmentally sound fertilizers recommended in the turfgrass putting green soil of golf course.

Keywords

Golf Course;Urfgrass Soils;P Fertilizer;Leaching;Plant Uptake;Dry Matter;Lysimeter

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