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The Yield and Economical Efficiency by Application Methods of Liquid Pig Manure on Forage Crops

  • Ahn, Chang-Hyun (Korea Plant Environmental Research Station Ltd.) ;
  • Kim, Woo-Sik (Korea Plant Environmental Research Station Ltd.) ;
  • Park, Jee-Sung (Korea Plant Environmental Research Station Ltd.) ;
  • Ahn, In (Korea Eco-Friendly Agro-Materials Association)
  • Received : 2013.10.29
  • Accepted : 2013.11.28
  • Published : 2013.12.31

Abstract

This experiment was carried out to investigate the effect of liquid-pig-manure application method (Tr.1: surface appl. LPM 150%, Tr.2: surface appl. LPM 50% + LPM 50%, Tr.3: chemical fertilizer, Tr.4: soil injection LPM 150%, Tr.5: soil injection LPM 50% + surface appl. 50%, Tr.6: no fertilizer) and the economic efficiency of yield on forage crops cultivaion. In barley cultivation experiment, Tr.5 was found to be best, showing the yield of 1,462 kg $10a^{-1}$, and followed by Tr.2(1,226 kg $10a^{-1}$), Tr.3(1,226 kg $10a^{-1}$), Tr.4(1,225 kg $10a^{-1}$) and Tr.1(1,209 kg $10a^{-1}$) in order. In maize cultivation experiment, Tr.4 was found to be best, showing the yield of 2,142 kg/10a, and followed by Tr.1(2,125 kg $10a^{-1}$), Tr.3(2,024 kg $10a^{-1}$), Tr.5(2,011 kg $10a^{-1}$) and Tr.2(1,925 kg 1$10a^{-1}$) in order. The income was showing 1,274,000 ~ 1,591,000 Won $10a^{-1}$ in barley, whereas 766,000-794,000 Won 1$10a^{-1}$ in maize. There was more economical efficiency in barley cultivation than maize cultivation. Rather than the LPM surface application, LPM soil injection was more effective.

Keywords

Liquid pig manure;Yield;Barley;Maize;Economical efficiency

Acknowledgement

Grant : Cooperative Research Program for Agriculture Science & Technology Development

Supported by : Rural Development Administration

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