'Beni Balad' 포도 비가림 재배에서 부숙유기질비료 및 Urea 토양 시용에 의한 암모니아 배출량 및 과실 품질
Effects of Composted Organic Fertilizer and Urea Application to Soil on the Ammonia Emissions and Fruit Quality of 'Beni Balad' Grapevine in Rain Proof Cultivation
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BACKGROUND: Ammonia is a causative substance for the fine particulate matters (PM2.5) and generates dust through atmospheric reactions. Agricultural sector ac-counts for 79.3% of ammonia emissions in Korea. Urea and composted organic fertilizer (COF) are used in the soil for the purpose of supplying nutrients in grapevine orchards. This study was conducted to investigate estimates of ammo-nia emission and examine fruit quality from the rain proof cultivation of the ‘Beni Balad’, applied by urea and COF to the soil. METHODS AND RESULTS: Urea, COF1, and COF2 were applied at the rates of 119, 135, and 271 kg ha-1 res-pectively. Ammonia emissionwas measured using a dy-namic flow-through method. CONCLUSION(S): Ammonia emissions by urea and COF treatments to ‘Beni Balad’ soils under rain proof cultiva-tion were calculated to be 2.63, 12.95, 2.05, and 3.97 kg NH3-N ha-1 day-1, respectively for the control, urea, COF1, and COF2. Urea soil application increased soluble solids, firmness, and anthocyanin content in fruits at harvest, and COF1 application increased the soluble solids and anthocyanin content. For all the treatments, acidity increased in the harvested fruits
Abstract
BACKGROUND: Ammonia is a causative substance for the fine particulate matters (PM2.5) and generates dust through atmospheric reactions. Agricultural sector ac-counts for 79.3% of ammonia emissions in Korea. Urea and composted organic fertilizer (COF) are used in the soil for the purpose of supplying nutrients in grapevine orchards. This study was conducted to investigate estimates of ammo-nia emission and examine fruit quality from the rain proof cultivation of the ‘Beni Balad’, applied by urea and COF to the soil. METHODS AND RESULTS: Urea, COF1, and COF2 were applied at the rates of 119, 135, and 271 kg ha-1 res-pectively. Ammonia emissionwas measured using a dy-namic flow-through method. CONCLUSION(S): Ammonia emissions by urea and COF treatments to ‘Beni Balad’ soils under rain proof cultiva-tion were calculated to be 2.63, 12.95, 2.05, and 3.97 kg NH3-N ha-1 day-1, respectively for the control, urea, COF1, and COF2. Urea soil application increased soluble solids, firmness, and anthocyanin content in fruits at harvest, and COF1 application increased the soluble solids and anthocyanin content. For all the treatments, acidity increased in the harvested fruits
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