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各種 土壤 管理가 柑橘品質에 미치는 影響 : Influence of Artificial Mulch during Fruit Development Season 夏秋季의 土壤被覆 效果
韓允三,韓海龍,文斗吉 제주대학교 1974 논문집 Vol.6 No.-
With polyethylene film and straw, artificial mulch from early Aug. to harvest time was experimented in a Citrus orchard on volcanic soil growing nine years old Satsuma mandarin(Citrus unshiu Marcovitch) on trifoliate orange stock. No matter what material is used, mulch delayed loss of soil water. Low soil moisture level desirable for delicious fruit quality was not attained by preventing rain flow to soil with polyethylene film, except only when mulched on already dried soil. While polyethylene film mulch increased soil temperature by 3'C at 10cm depth, straw mulch lowered soil temp. in summer. Change in soil temp. showed no apparent effect on fruit maturity and quality. Dry soil condition accelerated fruit coloring a little, and increased Brix, but decreased fruit weight, and didn't increased Brix-acid ratio. It was concluded that polyethylene film mulch could hardly be practiced to improve Citrus fruit quality in Seogwipo area orchards on volcanic soil.