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유기질 비료의 시용이 배 과원의 토양과 엽과 눈 특성에 미치는 영향

Effects of Compost Application on Soil Properties and Leaf and Bud Characteristics of Pear Trees in Orchard Farms

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초록

Organic pear (Pyrus pyriforia) fruits have remarkably increased in Korea since year 2000 due to increase consumer’s demand for the fruit, and the farmers are keep trying to change their cultivation system that is replaced from conventional farming to organic-base farming for the fruit. However, there is little information for the soil properties, tree nutrition, and tree growth at organic orchards in Korea. Therefore, this study was established to investigate for the chemical properties of soils and leaf and bud characteristics of a conventional and organic pear trees in experimental orchards for two years. Commercial (Sanwool, YoungHwa Co., Korea) compost was applied to the orchard soils with conventional farming systems for two years for pear trees (10 to 15 year old trees) in KyungSan, Korea. The compost application increased pH, organic matter content, cation exchange capacity (CEC), and ,microbial biomass in the soil. The compost treatment also increased specific leaf weight and foliar P2O5 concentration as well as leaf and floral bud sizes.

Abstract

Organic pear (Pyrus pyriforia) fruits have remarkably increased in Korea since year 2000 due to increase consumer’s demand for the fruit, and the farmers are keep trying to change their cultivation system that is replaced from conventional farming to organic-base farming for the fruit. However, there is little information for the soil properties, tree nutrition, and tree growth at organic orchards in Korea. Therefore, this study was established to investigate for the chemical properties of soils and leaf and bud characteristics of a conventional and organic pear trees in experimental orchards for two years. Commercial (Sanwool, YoungHwa Co., Korea) compost was applied to the orchard soils with conventional farming systems for two years for pear trees (10 to 15 year old trees) in KyungSan, Korea. The compost application increased pH, organic matter content, cation exchange capacity (CEC), and ,microbial biomass in the soil. The compost treatment also increased specific leaf weight and foliar P2O5 concentration as well as leaf and floral bud sizes.

참고문헌 (10)

  1. 일본 토양미생물 연구회, "토양미생물 실험법", ~ (2002)
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  3. Choi, H. S, "Effects of different organic apple production systems on seasonal variation of soil and foliar nutrient concentration", 박사, pp.2009
  4. Faust, M., "Nutrition of fruit trees. pp. 53-132. In: Physiology of Temperate Zone Fruit Trees", pp.53~132 (1989), A Wiley-InterScience Publication
  5. Merwin, I. A., "Orchard groundcover management impacts on apple tree growth and yield, and nutrient availability and uptake", J. Amer. Soc. Hort. Sci, 119, pp.209~215 (1994)
  6. Moing, A., "Carbon and nitrogen reserves influence tree shoot", Scientia Horticulture, 57, pp.99~110 (1994)
  7. Neilsen, D., "Management of water and nitrogen in high density apple orchards", Compact Fruit Tree, 35, pp.92~96 (2002)
  8. Rosen,C.J.and D.L.Allan, "Exploring the benefits of organic nutrient sources for crop production and soil quality.Hort Tech.17:422-430", Hort Tech, 17, pp.422~430 (2007)
  9. Stevenson, F. J., "Humus chemistry: Genesis. Composition, Reactions(2ed Edition.)" (1994), Jhon Wiley and Sons. Inc.
  10. Stiles, W. C., "Orchard nutrition management", pp.1~23 (1991), Cornell cooperative extension

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