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KMID : 0903620000410020169
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Journal of the Korean Society for Horticultural Science
2000 Volume.41 No. 2 p.169 ~ p.172
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Short - term Effect of Orchard Floor Management on Soil Chemical Properties , Growth and Fruit Quality in Fuji / M.26 Apple Trees
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노희명/Ro, Hee Myong
임열재/임명순/박진면/Yim, Youl Jae/Yiem, Myoung Soon/Park, Jin Myeon
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Abstract
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This study evaluated the short-term effect of four orchard management systems on soil chemical properties, growth and fruit quality in ´Fuji´/M.26 apple trees. Orchard floor was treated by different ways for three years from 1996: (1) heat insulating woven synthetic textile (HIWST) mulching, (2) black polyethylene film (BPEF) mulching, (3) grass covering, and (4) weed control by herbicide. Soil organic matter content was lowest in BPEF mulching plots, but highest in HIWST and grass cover plots. Available P was, however, lowest in herbicide controlled soil. Average shoot growth in HIWST plots was similar for three years, while that decreased with year in other plots. Annual weed productions in grass cover and herbicide control plots were greater than those in HIWST and BPEF plots. Root dry weight per unit bulk soil volume of topsoil (10∼20 ㎝) was greatest in HIWST plots in 1997, and in grass covering and herbicide-control plots in 1998, while that of subsoil (30∼40 ㎝) was greatest in BPEF plots in 1997 and 1998. Leaf-N concentration was highest in HIWST and BPEF plots, but leaf-P, -Ca, and -Mg concentration were highest in grass covered plots. In 1997, the fruit quality, except skin color, was not affected by the treatments. In 1998, however, fruit in grass covered and herbicide-control plots had higher soluble solid content and better skin color, while those in BPEF plots had the greatest fruit weight.
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