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Cropping system is very important for environment conservation and improvement of nutrient recovery rates in agricultural land. This case study was conducted to identify the nutrient balance of major upland cropping types with different districts. Typical cropping systems at MuAn and HaeNam located in the south coast district were cultivated with soybean-chinese cabbage or garlic and garlic-soybean-chinese cabbage-hot pepper. Alpine district, PyeongChang was cultivated with double cropping of chinese cabbage and potato-radish or chinese cabbage for one year. Typical cropping type of AnDong, YeongYang where are well known for hot pepper cultivation was hot pepper's mono cropping and hot pepper-soybean or hot pepper-sesame for one year. But SeoSan and HongSeong, where are located in mid-west coast had variety cropping system compareed to other districts. Double cropping of chinese cabbage, a heavy fertilizing crop, caused higher nutrient balance in the field when it was cultivated consistently. Experiment showed that heavy fertilizing crops, such as chinese cabbage, garlic and onion, need to be rotated with soybean and sesame cultivation which need smaller fertilizer level. Alpine arable land has shown higher nutrient balance than other areas, and the introduction of rotation crops are needed to reduce nutrient balance and environmental protection.

Case studies for estimation nitrogen and phosphorous balance with different cropping systems in upland