Growth Response and Uptake of Nitrogen and Phosphorus of Pinus thunbergii by Treatment of a Dried Swine Excrement

고형돈분 처리 시 해송 묘목의 생장반응 및 질소·인 흡수 효과

  • Lee, Chang-Heon (Faculty of Forest Science, Chonbuk National University) ;
  • Cho, Jae-Young (Division of Biotechnology, College of Agriculture and Life Science, Chonbuk National University)
  • 이창헌 (전북대학교 산림과학부) ;
  • 조재영 (전북대학교 응용생물공학부)
  • Received : 2006.02.27
  • Accepted : 2006.04.14
  • Published : 2006.04.29

Abstract

This study was conducted to evaluate the influence of dried swine excrement on the germination of Pinus thunbergii seeds, the growth response of seedlings of Pinus thunbergii and the uptaken of nitrogen and phosphorous by seedlings of Pinus thunbergii. The germination rate of seeds of Pinus thunbergii tends to decrease according to the increasing of application amount of dried swine excrement and the application amounts of dried swine excrement which is more than 3%(w/w %) makes the rate of germination to much more decreased. Contents of nitrogen and phosphorus are much higher in a way that the dried swine excrement was treated in nursery soil. 179 days after seeds of Pinus thunbergii were sowed, nitrogen contents in soil was decreased more than 70% and phosphorus was decreased 20 to 45%. Growth response of Pinus thunbergii was much higher in treatment of dried swine excrement than in control. But growth response was not affected by increasing of application amounts of dried swine excrement. Growth response of Pinus thunbergii was the highest in 2%(w/w %) application but its growth response was decreased in treatment more than 3% (w/w %) of dried swine excrement.

Acknowledgement

Supported by : 전북대학교