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Effect of Pre-plant pH Change and Leaching on Crop Growth, Nutrient Uptake and Yield of Strawberry(Fragaria ${\times}$ ananassa Duchesne) 'Nyoho'  

Choi Jong Myung (Division of Hort. and Landscape Architecture, Paichai University)
Jung Suck Kee (Chungnam Agricultural Research and Experimental Services)
Lee Young Bok (Department of Horticulture, Chungnam Notional University)
Publication Information
Journal of Bio-Environment Control / v.13, no.4, 2004 , pp. 233-239 More about this Journal
Abstract
This research was conducted to determine the effect of soil pH change followed by leaching with ground water on crop growth, yield and nutrient uptake of strawberry. Treatments were leaching with ground water (A), hydrated lime application of dissolved portion in $500g{\cdot}L^{-1}$ solution followed by leaching (B), application of $Al_2SO_4$ solution with the concentration of $0.75g{\cdot}L^{-1}$ followed by leaching (C), pH elevation by (B) followed by pH lowering by (C), then leaching (D). Soil samples taken before experiment had 6.0 in soil pH. But the pH of all treatments taken after pH changes and leaching were in the range from 5.8 to 6.2 without statistical differences among treatments. Electrical conductivity of soils taken before experiment was $1.82dS{\cdot}m^{-1}$ and those of (A), (B), (C), and (D) were 1.65, 1.72, 1.71 and $1.83dS{\cdot}m^{-1}$, respectively. The plant height in treatment (C) was 20.4 cm at 80 days after transplanting which was the highest among treatments tested. The other growth characteristics did not show statistical differences among treatments. Tissue contents of Fe, Mn, Zn, Cu and B in treatment (C) were higher than those of other treatments at 80 days after transplanting. The treatment (C) had the highest number of special sizes and fruit weight per 50 plants such as 137 and 3.784 g, respectively. The treatment also had 3.123 kg in total fruit weight and 2,489 kg in marketable fruit weight per 10 are. The treatment (B) also had good results such as 2,820 kg in marketable fruit weight per 10 are.
Keywords
hydrated lime; pH lowering; pH elevation;
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