Comparison of Fertilizer Use and Recommended Amount of Fertilizer for Facility Cultivation Field of Cherry Tomato in Chungnam

다국어 초록 (Multilingual Abstract)

The study was conducted to compare the fertilizer use of actual farmers and the recommended amount of soil and the nutrient input of growing farms in the cherry tomato facility cultivation area in the Chungnam area. After selecting as a sample 47 farms growing cherry tomatoes, a specialized crop in the Chungnam were collected and soil chemical properties were analyzed. As a result, the recommended amount of fertilizer use was calculated, and through a survey, the amount of organic fertilizer use(such as livestock manure and oil meal) and chemical fertilizer use and fertilizer traits·usage method·component content were investigated. As a result of soil Chemical properties investigation, 52.1% of pH was higher than the appropriate level, EC was within the appropriate range of 72.9%, and 79.2% of organic matter was insufficient and Avail.P²O<SUP>5</SUP>, Exch. K, Ca, Mg were 75.0, 54.2, 68.8, 85.4%, excessive compared to appropriate range. As a result of the survey on the use of fertilizer, the amount of compost used was 1,348kg/10a, which was about three times more than the recommended amount of 487kg/10a. On average, 317kg/10a organic fertilizer were used, and among them, oilseed was the most used. The total fertilizer usage(including compost) of cherry tomato growers was nitrogen 30.3, phosphoric acid 19.4, and potash 24.8 kg/10a and fertilizer use(including inorganic+organic fertilizer but excluding compost) was investigated as nitrogen 26.9, phosphoric acid 17.7, and potash 21.4kg/10a. The recommended amount of fertilizer according to the soil test is nitrogen 18.3, phosphoric acid 8.0, and potassium 16.5kg/10a, which is about twice the recommended use of ferilizer by the soil test compared to the farm use excluding compost.