Effect of seeding dates on ecological response, yield potential and feed value in Jeju Italian millet

Cho NamKi; Ko DongHwan

Journal of the Korean Society of Grassland Science 23(4): 265-270

2003


Accession: 004126744

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Abstract
A study was conducted in Jeju, Korea Republic to determine the influence of sowing date (20 April, 1 May, 20 May and 30 May 2003) on growth, yield and chemical composition of Italian millet (Setaria italica). The plant height was highest (131 cm) when sown on 1 May. Stem diameter, number of leaves, leaf length and leaf width showed similar trend with plant height. SPDA reading values were greater at earlier sowing dates. Fresh forage yield was maximum (43.28 MT/ha) at 1 May sowing and decreased gradually before or after that sowing date. Dry matter yield, crude protein yield and total digestible nutrient (TDN) yield showed the same tendency with fresh forage yield. Crude protein, crude fat NFE and TDN contents were maximum at 30 May sowing date. Crude ash and crude fibre content decreased as sowing date was delayed. The optimum sowing date for forage production of Italian millet was in early May.