Comparison of Forage Production and Feed Value of Winter Forage Crops in Jeju
2008
Park, H.S. (National Institute of Subtropical Agriculture, RDA, Jeju, Republic of Korea), E-mail: [email protected] | Hwang, K.J. (National Institute of Subtropical Agriculture, RDA, Jeju, Republic of Korea) | Park, N.G. (National Institute of Subtropical Agriculture, RDA, Jeju, Republic of Korea) | Choi, G.J. (National Institute of Animal Science, RDA, Cheonan, Republic of Korea) | Lee, J.K. (National Institute of Animal Science, RDA, Cheonan, Republic of Korea) | Cheon, D.W. (National Institute of Animal Science, RDA, Cheonan, Republic of Korea) | Ko, M.S. (National Institute of Subtropical Agriculture, RDA, Jeju, Republic of Korea)
This experiment was conducted to compare forage production and feed value of winter forage crops at the experimental field of Livestock Division, National Institute of Subtropical Agriculture from 2007 to 2008. The experiment was arranged in a randomized block design with three replications. The five winter forage crops used in this experiment were barely ('Youngyang' and 'Yuyeon'), oats ('Samhan' and 'Swan'), wheat ('Kumkang' and 'Woori'), triticale ('Shinyoung') and italian ryegrass ('Hwasan 101' and 'Florida-80'). The species having the fastest heading date was wheat (5th April) while the heading date of oats ('Samhan') was the latest as 28th April. The dry matter (DM) content of wheat was the highest among the five winter forage crops. Italian ryegrass ('Hwasan 101') showed the highest CP content by 11.2% and oats (Swan) showed the lowest content by 9.8%. Average acid detergent fiber (ADF) and neutral detergent fiber (NDF) content were 28.6 and 50.8% respectively. The five winter forage crops have narrow range of total nutrient digestibility (TDN) from 64.0% to 69.1%. Italian ryegrass ('Hwasan 101') showed the highest DM yield by 25,951 kg/ha, but the DM yield of barely and wheat low by 13,892 kg/ha ('Yuyeon') and 14,815 kg/ha ('Woori'), respectively. Italian ryegrass and oats have higher forage yield and feed value in Jeju. Also, oats has high grain and forage yield. The results demonstrated oats can cultivate as alternative winter forage crop for whole crop silage barely in Jeju.
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