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Growth of Creeping Bentgrass by Application of Compound Fertilizer Containing Microbes

미생물 함유 복합비료 시비에 따른 크리핑 벤트그래스의 생육

  • Received : 2015.11.30
  • Accepted : 2016.02.06
  • Published : 2016.03.31

Abstract

Superintendents have been used microbial fertilizers to improve turfgrass growth and quality and to decrease turfgrass diseases in golf course. This study was conducted to investigate the effects of compound fertilizer containing microbe (MF) on the growth and quality of creeping bentgrass with turf color index (TCI), chlorophyll index (ChI), root length, turfgrass density, clipping yield and nutrient content. Treatments were designed as follows; non-fertilizer (NF), compound fertilizer (21-17-17; CF) as control, compound fertilizer (14-6-17) containing microbe. In pot experiment, TCI and ChI of creeping bentgrass in MF plot were similar to those in CF. But clipping dry weight of MF plot increased by 39.1% compared to that of CF plot. At field experiment applied with MF treatment, TCI, ChI, root length, and nutrient content and uptake of creeping bentgrass were similar to those with CF treatment, but turfgrass density with MF higher about 7.9-15.8% than with CF. These results indicated that the application of MF improved growth and quality of creeping bentgrass by enhancing clipping yield and shoot number.

골프장의 잔디 관리자들은 잔디의 생육을 향상시키고, 코스의 병발생을 억제하기 위해 미생물 비료를 사용해 왔다. 본 연구는 미생물 함유 복합비료를 크리핑 벤트그래스에 시비할 때, 크리핑 벤트그래스의 생육과 품질에 대한 효과를 평가하기 위해 수행되었다. 비료의 종류에 따라 무처리구(non-fertilizer; NF), 대조구(control ferilizer; 21-17-17, CF) 및 미생물 함유 복합비료 처리구(microbial compound fertilizer; 14-6-17, MF)로 설정하여 처리한 후 엽색 지수(TCI), 엽록소 지수(ChI), 잔디 뿌리 길이, 잔디 예지물(건물중), 잔디 중 양분 함량 및 흡수량을 기준으로 잔디 생육과 품질을 평가하였다. 포트시험 결과, MF 처리구의 엽색 및 엽록소 지수는 대조구(CF)와 비슷하였고, 잔디 예지물은 CF처리구보다 39.1% 증가하였다. 포장시험 결과, 토양 pH와 전기전도도 및 치환성 칼슘 함량은 MF 처리가 CF처리구보다 감소하였다. 포장시험 후 잔디 생육 및 품질 조사에서 MF 처리구의 엽색 지수, 엽록소 지수, 잔디 뿌리 길이, 잔디 중양분 함량 및 양분 흡수량은 CF처리구와 비슷하였고, 잔디밀도는 CF처리구보다 8.0~15.8% 증가하였다. 이 결과들을 종합해 볼 때, 크리핑 벤트그래스에서 미생물 함유 복합비료의 시비는 무처리구나 대조구에 비해 잔디의 밀도와 생육을 증가시키는 효과가 있음을 확인 할 수 있었다.

Keywords

References

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  1. Growth and Quality Changes of Creeping Bentgrass by Application of Liquid Fertilizer Containing Silicate vol.5, pp.3, 2016, https://doi.org/10.5660/WTS.2016.5.3.170