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유기농 자재 『그린원』이 느타리버섯(Pleurotus ostreatus)의 균사생장 및 자실체 생육에 미치는 영향
장현유,김석진,김진경,김지현,Chang, H.Y.,Kim, S.J.,Kim, J.K.,Kim, J.H. 국립한국농수산대학교 교육개발센터 2010 현장농업연구지 = Journal of practical agricultural resear Vol.12 No.1
The objective of this study was to determine the effects of "Green-one" organic nutrient on mycelial growth and fruiting of P. ostreatus. The dilution concentrations of "Green-one" was treated as follows. There was control, 100, 200, 400 concentrations. That treatments were treated with step of each mycelial growth step. The best of growth steps was mycelial scratching step. At that time, DPI(Day required for primordial formation after inoculation) was shortened for 1 day. Valid germination stipe are 15 pieces, 3 pieces more than control. Stipe length and stipe diameter was long each 4mm, 3mm more than control. Pileus size is shortened than control. Yields per one bottle(g/850cc) was 146g increased 6.5% than control 137g/850cc.
바이오차와 피트모스의 혼합비율이 해국 묘 생육에 미치는 영향
김수진,김석진,한상균,권윤구,권영휴,Kim, S.J.,Kim, S.J.,Han, S.K.,Kwon, Y.K.,Kwon, Y.H. 국립한국농수산대학교 교육개발센터 2018 현장농업연구지 = Journal of practical agricultural resear Vol.20 No.2
This study was conducted to investigate the possibility of biochar as an alternative medium to peatmoss using for Aster spathulifolius. We cultivated A. spathulifolius in four potting media with different mixing rates (v/v) of peatmoss (P) and biochar (B) as follows: B0+P3, B1+P2, B2+P1, and B3+P0 with vermiculite 3 + perlite 3. Also, we analyzed the chemical properties of media and the plant growth characteristics. The results were as follows: In case of media's chemical condition, B0+P3 and B1+P2 treatments showed higher tendency (p < 0.05). Plant height on B0+P3 and B1+P2 treatments was much higher than that on other treatments (p < 0.05). Root length on B1+P2 treatment was higher than on B0+P3 treatment (p < 0.05). B0+P3 and B1+P2 treatments showed higher number of leaves and dry biomass than other treatments. Therefore, our results support that Biochar : Peatmoss : Vermiculite : Perlite (1/3 : 2/3 : 1 : 1, v/v) could be a more economical potting medium for A. spathulifolius than peatmoss : vermiculite : perlite (1 : 1 : 1, v/v).
유기농 자재 『그린원』이 해송(Pinus thunbergii) 묘목의 생육에 미치는 영향
권영휴,장현유,김석진,김진경,김지현,Y.H., Kwon,Chang, H.Y.,Kim, S.J.,Kim, J.K.,Kim, J.H. 국립한국농수산대학교 교육개발센터 2010 현장농업연구지 = Journal of practical agricultural resear Vol.12 No.1
In order to promote the growth of the trees, it is the most important to fertilize efficiently. The organic nutrient "Green-one" which list public notification number 08-organic-3-112" was registered in Rural Development Administration. The "Green-one" is the environment friendly organic nutrient with new concept which is used in planting and maintenance of the trees. The "Green-one" makes the tree grow actively. Also it has a function of the anti germ and sustainable fertilizer effect. In conclusion, "Green-one" promoted the growth of P. thunbergii excellently. Expecially the growth of the root increased. The concentration of "Green-one" dilution was more better 100 times than 300 times in trees grow. This research can apply with the test of fertilizer efficiency in landscape trees.
권영휴,김석진,박채란,한상균,Kwon, Y.H.,Kim, S.J.,Park, C.R.,Han, S.K. 국립한국농수산대학교 교육개발센터 2015 현장농업연구지 = Journal of practical agricultural resear Vol.17 No.1
Comparison of the standard and instruction for grade and quality of landscape plants between Korea and foreign countries indicates that the individual country characteristically develops and uses their own standards for landscape plants. Ultimate aim of these regulations is to develop the standard of landscape plants classified by kinds, types and purposes to improve the quality of landscape plants. This study analyzed the differences of standards and instructions for landscape plants between Korea and other countries such as Germany, Switzerland, America, Canada and Japan. Our results indicated that Korea and Japan used the diameter at 1.2m above from ground surface for the diameter at breast height(DBH) whereas Germany and Switzerland at 1.0m above from ground surface. In case of America and Canada, the standard of landscape plants included crown width, height and DBH of plants. In Germany, the standard for creeping plants and herbaceous flowers was determined by the type and the root size of plants with the standard of containers(seven to eleven types). This research would be helpful for developing the practical and environmentally suitable guideline for the grade and quality of landscape plants and also for developing the standardized distribution structures and cultivation techniques for landscape plants in Korea.