Abstract

밭에서 호밀에 경운방법과 비료종류를 달리하였을 때 사초의 생산성, 품질 및 생산비를 비교하기 위하여 수행하였다. 본 시험은 2×2=4요인 시험으로 경운방법은 경운과 무경운을 두었으며, 비료종류는 화학비료와 퇴비를 두었다. 호밀의 건물률, TDN 수량 및 CP 수량은 처리간에 유의적인 차이가 없었으나, 경운의 건물수량은 무경운보다 많았다(P<0.01). 한편 비료종류에서는 화학비료의 건물수량, TDN 수량 및 CP 수량이 퇴비보다 많았다. 호밀의 조단백질 함량은 무경운이 경운보다 높았으나((P<0.05), 비료의 종류에서는 처리간에 유의적인 차이가 없었다. 호밀의 NDF, ADF 및 TDN 함량은 처리간에 유의적인 차이가 없었다. 호밀의 면적당 생산비는 경운이 무경운보다 많았으나, 원물, 건물 및 TDN 1kg당 생산비는 무경운이 많았다. 한편 비료의 종류에서는 화학비료의 면적당 생산비가 퇴비보다 많았으나 원물, 건물 및 TDN 1kg당 생산비는 화학비료가 적었다. 이는 경운과 화학비료가 무경운과 퇴비보다 사초수량이 많았기 때문이다. 이상의 시험결과를 볼 때 경운방법과 비료종류는 호밀의 품질보다 사초수량에 많은 영향을 미쳤다. 경운과 화학비료가 무경운과 퇴비보다 호밀의 1kg당 생산비가 적었는데 이는 경운과 화학비료의 사초수량이 다른 처리구보다 많았기 때문이다. This experiment was conducted to evaluate the effect of tillage system and fertilizer type on the forage yield, quality, and production cost of winter rye. This experiment was a 2×2 factorial arrangement for two tillage system (Tillage and No-tillage) and two fertilizer type (Chemical and Manure compost). There was no difference in dry matter (DM) content, TDN (total digestible nutrients) yield, and CP (crude protein) yield of rye, but the DM yield was significantly higher for rye in tillage compared to the no-tillage system. The use of chemical fertilizer type also showed significant increase in DM, TDN and CP yields compared to the use of manure compost as fertilizer. The CP content for rye was significantly higher in no-tillage compared to tillage system, but the type of fertilizer used has no significant effect. No significant effects were observed for NDF (neutral detergent fiber), ADF (acid detergent fiber), and TDN in tillage system and fertilizer type of rye. The total cost to prepare 1 ha is lower in no-tillage compared to tillage, but production cost in rye per kg of fresh, DM and TDN were almost the same as tillage system because of lower forage production. The total cost to prepare 1 ha with the use of chemical fertilizer was higher than using manure compost as fertilizer, however, the cost to produce 1 kg of fresh, DM and TDN were lower when using chemical as fertilizer because of higher yield. Based on the results of this study, tillage system and fertilizer type affected forage yield more than forage quality. Production cost per 1 kg of tillage was lower compared to no-tillage, and that of chemical was lower than manure because of higher forage yield.

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