Korean Journal of Soil Science and Fertilizer (한국토양비료학회지)
- Volume 19 Issue 3
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- Pages.217-221
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- 1986
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- 0367-6315(pISSN)
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- 2288-2162(eISSN)
Studies on Uptake by Crops of Lead and Reduction of it's Damage -II. Effect of application of calcium and phosphate materials on Pb Solubility in Soil
농작물(農作物)에 대(對)한 납(pb)의 흡수(吸收) 및 피해경감(被害輕減)에 관(關)한 연구(硏究) -II. 석회(石灰)와 인산물질시용(燐酸物質施用)이 토양중(土壤中) 납(pb) 용출량(溶出量)에 미치는 영향(影響)
- Kim, Kyu Sik (Agricultural Sciences Institute) ;
- Kim, Bok Young (Agricultural Sciences Institute) ;
- Han, Ki Hak (Agricultural Sciences Institute)
- Published : 1986.09.30
Abstract
A column test was conducted to find out the effect of application of slaked lime, calcium sulfate, calcium superphosphate, and phosphoric acid on the solubility of lead in soil. The soil was adjusted to 310.8 ppm concentration of Pb and applied with amounts of calcium equivalent to 600, 1000, 2000 ppm as slaked lime; sulfate 144, 288, 432 ppm as calcium sulfate; phosphate 95, 190, 285 ppm as calcium superphosphate and phosphoric acid, respectively. The results obtained are as follows: 1. The increasing application of improvement agents reduced the amounts of water soluble Pb in soil. Phosphoric acid was the most effect among to the treatments. 2. The slaked lime treatment has the highest pH of soil and the lowest at the phosphoric acid one. The soil Eh has a reverse tendency the soil pH. 3. Water soluble Ca,
토양중(土壤中)에서 납(Pb)의 용출경감효과(溶出輕減效果)를 구명(究明)하기 위(爲)하여 토양(土壤)에 납을
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