水稻의 營養狀態와 Ozone가스 被害와의 關係를 究明하기 爲하여 眞珠벼를 供試하여 窒素, 燐酸, 加里, 標準肥에 各各 50%增肥 및 50%減肥하여 Ozone가스 0.3ppm을 3時間接觸後에 葉被害率, malondialdehyde, peroxidase의 電氣泳動 및 無機成分含量變化을 調査한 結果는 다음과 같다. 1. 窒素增施 및 加里減肥로 Ozone가스의 被害가 增加된다. 2. Ozone가스 被害率에서 malondialdehyde의 含量이 增加된다. 3. K₂O/N比가 낮을수록 葉被害가 增加한다. 4. Ozone가스 被害로 葉中 窒素, 燐酸, 加里含量이 減少하는 傾向이다. 5. Peroxidase를 電氣泳動한 結果 施肥量에 따른 band의 差異는 發見하지 못하였으나 Ozone가스 接觸으로 2, 3, 4번째 band에서 變化가 있었다.

This study was carried out to investigate the effect of ozone gas on paddy rice at the different nutrition levels. Jinjubyeo variety of rice plant was exposed to 0.3 ppm ozone gas for 3 hours. It was cultivated at three different application levels, optimum, -50%, and +50% of optimum of nitrogen, phosphorus, and potassium, respectively. After ozone gas fumigation, percentage of damaged leaf, malondialdehyde contents, activity of peroxidase, and nutrient contents of rice plant were observed. The results obtained are as follows. 1) Percentage of damaged leaf was increased at the both additional 50% application of nitrogen and 50% reduction of potassium. 2) Malondialdehyde contents of leaves were increased with the ozone gas exposure. 3) Percentage of damaged leaf was increased at the lower level of K₂O/N ratio in leaves. 4) Nitrogen, phosphorus, and potassium contents in rice leaves were decreased with the ozone gas exposure. 5) The peroxidase bands on gel in electrophoresis were changed by the ozone gas exposure.