2017•Journal of New Zealand GrasslandsOpen access

Effect of autumn regrowth interval and nitrogen fertiliser on dry matter yield and plant characteristics of six forage species

K.E. Martin, R.H. Bryant, Simon Hodge, Grant Raymond Edwards

Abstract

Abstract Cold temperatures and drainage increase nitrogen (N) losses from livestock production systems, so autumn management and forage type were investigated as strategies to mitigate N loss whilst meeting animal requirements. The effect of regrowth interval and fertiliser rate on plant dry matter (DM) yield, plant N and digestible organic matter in the DM (DOMD) was measured in six forage species over 4 weeks regrowth, in Canterbury in autumn 2015. As regrowth interval increased, herbage DM yield increased (from 180 kg DM/ha to 922 kg DM/ha, P

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Key concepts: Dry matter, Forage, Agronomy, Nitrogen, Yield (engineering), Organic matter, Livestock, Fodder