Korean Journal of Soil Science and Fertilizer (한국토양비료학회지)
- Volume 24 Issue 1
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- Pages.35-40
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- 1991
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- 0367-6315(pISSN)
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- 2288-2162(eISSN)
Desalinization of marine soil by the application of straw and lime
개흙의 제염에 미치는 볏짚, 석회의 병용효과
Abstract
A laboratory column experiment was conducted to learn the desalinization effect of rice straw, fresh or predecayed in limed marine soil, compared with gypsum. One third of Ca equivalent to indigenous Na plus Mg of the soil was applied to the top 10g out of 80g of total column soil, mixing one half of it to the top soil and the rest spreading on the surface. 1. Pre-decaying of rice straw in limed marine soil promoted the permeability of column soil. but showed a less effectiveness in desalinization of sodium than lime alone or lime plus fresh rice straw treatemenents. 2. Gypsum and calcium carbonate treatments without rice straw fixed Mg in the limed top soil and washed it down disolving more from the layer immediatly be low the treated top soil But the treatment of calcium carbonate and rice straw both together washed out Mg more from lower layers than the upper's, showing only physical desalinization. 3. The desalinization of Na was also severe in the layer immediately below the
유기물(볏짚)의 병용과 부숙이 탄산석회에 의한 갯흙의 제염에주는 영향을 밝히기 위하여 컬럼시험을 한 결과는 아래와 같다. 1. 볏짚과 탄산석회를 미리 시용하여 부숙시켰을 경우는 투수속도가 빨라졌으나 석고처리에는 미치지 못했으며, 제염(Na) 효과는
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