• 제목, 요약, 키워드: Sorghum ${\times}$ sudangrass hybrid

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수수$\times$수단그라스 잡종의 생육특성과 생산성 (Comparison of Agronomic Charateristics and Productivity of Sorghum$\times$Sudangrass Hybrids)

  • 이상무;전병태;구재윤
    • 한국초지조사료학회지
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    • v.14 no.1
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    • pp.34-41
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    • 1994
  • 본 시험은 사초용으로 생산성이 우수한 수수$\times$수단그라스 잡종을 선발할 목적으로 도입 9품종의 생육특성과 생산성을 비교 검토하였다. 시험은 3년간(1989-1991)건국대학교 자연과학대학 부속 사료포장에서 실시하였으며 그 결과를 용약하면 다음과 같다. 1. 3년간 평균초장은 $NC^+855$, Sordan79와 T.E. haygrazer가 다른 품종에 비해 길었으며, Super grazer는 173cm로 가장 짧게 나타났다(p<0.01). 1차예취시 생육단계에 있어서는 $NC^+855$와 Pioneer988이 빨랐으며, G83F, FP5, Super grazer는 늦은 품종으로 나타났다. 2. Super grazer와 Sordan79는 경이 굵은 품종인 반면, $NC^+855$, Garst757과 FP5는 타 품종에 비해 경이 가늘은 품종으로 나타났다. 3. 평균 벽자수는 3.1~4.0개이며, $NC^+855$와 PF5는 4.0개로서 가장 높게 나타났으나 고사솔은 Sordan79가 4.0%로 가장 낮은 반면, Super grazer가 9.8%로 가장 높았다(p<0.05). 4. GW9110G, G83F, T.E. gaygrazer는 도복성이 심하며(pM0.01), 붉은 반점 출현은 Grarst757, $NC^+855$, Sordan79에서 특히 심하였고(P<0.05), 서리피해도 전 품종에서 높게 나타났다. 5. 상대기호성은 GW9110G, Sordan79, Garst757이 높았으나 G83F와 Super grazer는 낮게 나타났다(P<0.05). 나머지 4품종은 이들 중간이였다(73-78%). 6. 건물수량에 있어서는 공시 품종간에 유의차는 없었으나 Pioneer988과 Sordan79가 높은 경향을 보였으며, 모든 품종이 연작에 의한 감수현상을 나타냈다. 이상 수수$\times$수단그라스의 9품종중 생육특성 및 건물수량면에서는 Pioneer988과 Sordan79가 가장 좋았으나 GW9110G와 Garst757은 기호성이 타 품종에 비하여 높은 반면 다소 수량이 떨어지는 것으로 나타났다.

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Teosinte (Zea mays ssp. mexicana) 신품종 극동 6호에 관한 생육특성, 수량성 및 사료가치 (Growth Characteristics, Yield and Nutritive Values of New Teosinte, 'Geukdong 6')

  • 최영;김은중;이상무
    • 한국초지조사료학회지
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    • v.36 no.2
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    • pp.150-158
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    • 2016
  • 본 연구는 최근 개발되어 국내에 보급하고 있는 Teosinte 품종인 극동 6호의 생육특성, 수량성 및 사료가치를 평가하여, Teosinte 신품종 재배 및 이용을 위한 기초자료로 활용하고자 실시하였다. 실험설계는 옥수수(T1)와 수수${\times}$수단그라스 교잡종(T2)을 대조구로 하고 Teosinte 신품종인 극동 6호(T3)를 처리구로 한, 3처리 3반복 난괴법으로 배치하여 실시하였다. 초장은 T2구가 가장 높게 나타났으며(p<0.05), 엽폭, 엽수, 경의 굵기, 경경도, 건물수량은 T1구가 가장 높게 나타났다(p<0.05), 그리고 엽장, 분얼수, 생초수량은 T3구가 높게 나타났다(p<0.05). 조단백질과 조회분은 T3구가 가장 높게 나타났으며(p<0.05), 조지방은 T1구가 가장 높았으며(p<0.05), ADF와 NDF에서는 T2구가 가장 높게 나타났다(p<0.05). Brix degree를 비롯하여 Fructose, Glucose, Dextran, Isomerose, Inverted sugar와 같은 당 종류별 함량에 있어서는 T2 > T3 > T1구 순으로 높게 나타났다(p<0.05). 총 무기물 함량은 T3 > T2 > T1구 순으로 높게 나타났다(p<0.05). 사일리지에 있어서 pH는 T1구가 3.82로 가장 높았으며 lactate 함량은 T3 > T2 > T1구 순으로 높게 나타났다(p<0.05). 청예작물에 대한 기호성은 한우에서는 T1 > T3 > T2구 순으로 나타났고, 꽃사슴에서는 T3 > T1 > T2구 순으로 나타났으며 재래염소에서는 T1 > T2 > T3구 순으로 높게 나타났다. 그러고 사일리지를 제조하여 급여시 기호성을 보게 되면 한우, 꽃사슴, 재래염소에서 T1 > T3 > T2구 순으로 높게 나타났다. 이상의 결과를 종합해 볼 때 Teosinte 신품종인 극동 6호는 대조 작물에 비하여 경이 부드럽고, 엽수가 많아 단백질 함량이 높았지만, 기호성은 사일리지용 옥수수 보다는 떨어지고, 수수${\times}$수단그라스 교잡종 보다는 높은 특징을 가지고 있다. 특히 높은 수분함량으로 인하여 건물수량은 적지만 생초 수량이 높아 청예용으로 유리한 작물로 생각 된다. 그러나 Teosinte 신품종인 극동 6호에 대한 파종시기, 재식밀도, 비료량 및 수확시기 등에 체계적인 재배 방법에 대한 규명이 이루어진 후 Teosinte 신품종인 극동 6호에 대한 정확한 평가가 이루어지는 것이 바람직할 것이다.

중부지역에서 유기조사료 생산을 위한 작부체계 확립 (Establishment of Cropping System for Organic Forage Production in Middle Region of Korea)

  • 박준혁;윤기용;박상수;노진환;이주삼
    • 한국유기농업학회지
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    • v.19 no.3
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    • pp.373-384
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    • 2011
  • 본 실험은 중부지역 작부체계 확립을 위한 유기조사료 생산하여 중부 지방에 적합한 초종을 선별하고 생산성 및 사료가치를 조사하여 가축사육능력을 추정하고자 수행되었고 그 결과를 요약하면 다음과 같다. 실험 결과 밭 토양에서는 밭 토양에서의 건물수량은 수수${\times}$수단그라스 교잡종이 10.9 $ton{\cdot}ha^{-1}$이었고 호밀+레드클로버와 호밀+헤어리베치에서 3.3 $ton{\cdot}ha^{-1}$로 가장 높았으며 호밀 단파구에 대한 상대수량이 높아 혼파효과가 입증되었다. 수수${\times}$수단그라스 교잡종이 조단백질(CP) 함량은 6.2%, 상대사료가치(RFV)는 옥수수가 가장 뛰어난 96.6이지만 수수${\times}$수단그라스 교잡종의 84.4와는 유의한 차이는 없었다. 호밀+레드클로버에서 TDN(total digestible nutrient) 함량 59.7%로 다른 처리 구보다 높았다. 상대사료가치는 호밀+레드클로버가 83.8로 가장 높았지만 처리 간 유의한 차이는 발생하지 않았다. 밭 토양에서 가축사육능력은 $K_{CP}$ 값과 $K_{TDN}$ 값의 평균이 수수${\times}$수단그라스교잡종이 4.27 head/ha/yr로 나타났다. 동계작물에서는 $K_{CP}$ 값과 $K_{TDN}$ 값의 평균이 호밀+레드클로버가 1.74 head/ha/yr로 가장 높았으나 유의한 차이는 없었다. 논토양에서 건물수량은 유기볏짚이 3.3 $ton{\cdot}ha^{-1}$이였고 호밀+레드클로버가 4.1 $ton{\cdot}ha^{-1}$로 유의하게 가장 높았다. 논토양에서 유기 볏짚의 조단백질함량은 3.1%였고, 유기볏짚의 TDN 함량은 55%이었다. 호밀+레드클로버에서 TDN 함량은 59.7%로 다른 처리 구보다 높았다. 상대사료가치는 호밀+레드클로버가 83.8로 가장 높았지만 처리 간 유의한 차이는 발생하지 않았다. 논토양에서 가축사육능력은 유기볏짚이 $K_{CP}$ 값과 $K_{TDN}$ 값의 평균 1.04 head/ha/yr. 호밀+레드클로버의 $K_{CP}$ 값과 $K_{TDN}$ 값의 평균이 1.84 head/ha/yr로 가장 높았으나 전 처리 구에서 유의한 차이는 없었다. 유기조사료 생산을 위한 중부지역의 최적 작부조합은 밭 토양에서 수수${\times}$수단그라스교잡종+(호밀+레드클로버)와 논토양에서는 유기볏짚+(호밀+레드클로버)을 최적의 작부체계라고 판단된다.

출수 및 비출수형 Sorghum X Sudangrass 교잡종의 품종별 생육특성, 생산성 및 사료가치에 관한 연구 (Studies on the Growth Characteristics, Forage Yields and Nutritive Values of Heading and Headless Types of Sorghum X Sudangrass Hybrids)

  • 임영철;성병렬;최기준;임용우;김기용;임근발;박근제
    • 한국초지조사료학회지
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    • v.22 no.3
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    • pp.213-220
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    • 2002
  • 본 연구는 수수$\times$수단그라스 교잡종 품종들의 생육특성과 수량성 및 사료가치를 조사하여 국내 적응성이 높은 새로운 품종을 선발할 목적으로 출수형 11품종, 비출수형 4품종을 공시하여 2000년 부터 2001년까지 2년간 수원 및 천안에서 15처리 난괴법 3반복으로 시험을 수행하였다. 출수형 품종의 건물수량은 AG 2501, GW 9161F, GW 9110G, DMD 순으로 많았다. 비출수형은 지역별 순위는 PAC F8350이 수위를 차지하였으나 평균 건물수량은 Jumbo가 다소 많았다. 종합적으로는 비출수형 보다 출수형이 다소 많았으나 유의성은 없었다. 생육특성 중 출수형 품종들의 초기생육은 AG 2501이 가장 좋았고 재생력은 GW 9110G가 매우 우수하였다. 출수기는 GW 9110G, DMD는 조생 AG 2501과 GW 9161F는 중생이었다. 초장은 AC 2501이 가장 컷으며 GW 9161F는 가장 작았다. 엽장이 긴 품종은 엽폭도 넘고 줄기도 굵었다. 당도는 DMD 품종이 9.7%로 매우 높았으며 내병성, 내충성과 내도복성은 품종간 차이가 없었다. 비출수형은 Jumbo에 비하여 PAC F8350이 초기생육은 다소 떨어지나 재생력이 강하고 초장은 작지만 엽장이 길고 엽폭이 넓으며 줄기가 굵고 도복에 강하였다. 출수유형에 따른 생육특성 비교는 매우 난해하나 그중 당도만은 가장 두드러진 차이를 보여 출수형 6.7~7.9%, 비출수형 3.6~3.9%로 출수형이 매우 높았다. 사료가치는 조단백질, ADF, NDF, 소화율이 모두 비출수형이 높았다. 우수 품종으로는 출수형은 GW 91 lOG(대조), AG 2501, DMD, GW 9161F와 비출수형은 Jumbo(대조), PAC F8350 등이 건물수량이 많고 생육특성에서도 결함이 없어 우리나라의 적응성이 높아 유망한 품종으로 사료된다.

파종량과 재식양식이 수수-수단그라스계 잡종의 생육특성 , 건물수량 및 사료가치에 미치는 영향 (Effect of Plant Density and Planting Pattern on the Growth Chracteristics , Dry matter Yield and Feeding Value of Sorghum -Sudangrass Hybrid)

  • 전병태;이상무;신동은;문상호;김운식
    • 한국초지조사료학회지
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    • v.12 no.1
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    • pp.49-58
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    • 1992
  • 본 실험은 재식밀도와 재식양식이 Sorghum-Sudangrass hybrid(sordan 79)의 생육특성, 건물수량, 조단백질수량, 기호성 등에 미치는 영향을 알아보고자 실시하였으며 그 결과를 요약하면 다음과 같다.1. 재식밀도가 높아짐에 따라 초장, 엽장, 엽폭(P<0.05), 엽수는 대체적으로 감소하였고, 같은 재식밀도에 있어서는 직사각형구에서 증가하였다.2. 1차 예취시 엽비솔은 밀식구중 직사각형구(30kg/ha, 25cm$\times$4cm)에서 가장 높게 나타났으나 2차 예취시에는 중식구중 정사각형구(15kg/ha, 14cm $\times$14cm)에서 높게 나타났다.3. 고사솔은 재식밀도가 증가될수록 높아졌으며 또한 같은 재식밀도라도 정사각형구가 높았다. 4. 분벽수는 재식밀도가 높아질수록 감소 되었고 같은 재식밀도에서는 직사각형구에서 증가되는 경향이었다. 5. 생초수량과 건물수량은 공히 중식구중 직사각형구(1.5kg/ha, 33cm$\times$6cm)가 가장 높았으며 소식구에서 가장 낮았다. 6. 조단백질 량은 재식밀도가 높아짐에 따라 높은경향을 나타냈으며(P<0.05) 조단백질수량도 재식밀도가 높아질수록 수되었다.7. 경의 굵기는 재식밀도가 높아짐에 따라 가늘어졌고 NDF, ADF함량은 뚜렷한 경향이 없었다. 1차 예취시에 있어서 기호성은 밀식구>중식구>소식구순이었으나 2차 예취시에는 밀식구>소식구>중식구순이었다.식구순이었다.

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수수 $\times$ 단그라스 교잡종과 대두와의 간작재배시 파종시기가 생육특성 및 수량성에 미치는 영향 (Effect of Seeding Dates on Growth Characteristics and Dry Matter Yield at Intercropping Cultivation of Sorghum $\times$ Sudangrass Hybrid and Soybean)

  • 이상무;류영우;전병태
    • 한국초지조사료학회지
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    • v.17 no.2
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    • pp.177-186
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    • 1997
  • A field experiment was conducted to evaluate growth characteristics, dry matter yield and crude protein yield according to different planting dates at sorghum $\times$ sudangrass hybrid(SSH) and soybean intercropping. Planting dates were five treatment of may 6(Tl), may 13(T2), may 20(T3), may 27(T4) and june 3(T5), and cutting frequency was two times a year. 1. Plant length of SSH was the highest at T2 as 253cm, but T5 was the shortest as 203cm. In the soybean, T3 and T4 were the highest as 113cm, respectively. Leaf length of SSH was high at T5. In the soybean, T2 was the highest as 17cm. Average leaf width of T2, T3 and T4 was higher than TI and T5. 2. Leaf number of T3(SSH and soybean) was higher than other treatments, Stem diameter of SSH and soybean showed the highest as 12.3mm and 8.6mrn at T5 and T3, respectively. In the SSY mean stem hardness of TI was the highest as 2.5kg/$cm^2$, but soybean was the highest at T1(8.0kg/$cm^2$) 3. Deed stubble according to move seeding date of SSH were 11.4 percentage at TI, and 3.9 percentage at T5 treatment. 4. Total dry matter yield according to move seeding date was the highest at T3 as 20,937kghq but T5 of late seeding was the lowest as 16,04Okgha(P < 0.05). 5. In the first cutting time, protein content of SSH was the highest at T3 as 9.9 percentage, but T1 was the lowest as 8.4 percentage. In the 2nd cutting, T5 was the highest as 8.7% but T1 was the lowest as 6.2%. In the soybean, T5 was the highest as 19.4% but TI of early seeding was the lowest as 16.2 percentage. Crude protein yield was the highest at T3 as 2,233.5kghq but TI of early seeding was the lowest as 1,579.7kgha (P < 0.05). As mentioned above the results, T2(may 13), T3(may 20) and T4(may 27) treatment could be recommended as the best suitable seeding date when drymatter and protein yield were considered.

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재배방식과 예취시기가 수수 X 수단그라스 교잡종의 생육특성, 건물수량 및 사일리지 채식성에 미치는 영향 (Effect of the Cultivation Method and Cutting Time on the Growth Characteristics, Dry Matter Yield and Voluntary Intake in Sorghum X Sudangrass Hybrid)

  • 이상무
    • 한국초지조사료학회지
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    • v.25 no.1
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    • pp.7-16
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    • 2005
  • This experiments were carried out to determine growth characteristics, dry matter yield and voluntary intake of silage according to growth stage of Sorghum$\times$sudangrass(SSH) hybrid in mono-cropping and inter-cropping(C; com, T1; cutting of SSH at milk stage. T2; cutting of SSH at dough stage, T3; cutting of SSH at yellow ripe stage, T4; cutting of SSH and soybean at milk stage, T5; cutting of SSH and soybean at dough stage, T6: cutting of SSH and soybean at yellow ripe stage). Results obtained from these experiments are as follows; Plant length and leaf length of SSH(T2, T3, T4. T5 and T6)) were higher than C. T1 treatment was lower than it. C showed $2.3\~2.9$ times higher stem diameter as 29.5mm compare to SSH(T1, T2, T3, T4, T5 and T6). soybean(T4, T5 and T6) was lower in $4.3\~5.4$ times. But SSH of inter-cropping treatment(T4, T5 and T6) showed highly comparing with mono-cropping(T1, T2 and T3) at the same maturity. Leaf rate and stem hardness of SSH(T1, T2, T3, T4, T5 and T6) were lower than C. The fresh yield was high line with T2(72,320kg/ha), T1(69,103kg/ha), T3(68,333kg/ha) and C(57,988kg/ha), dry matter yield was high in line with T3(22.413kg/ha), T2(21,479kg/ha), C(19,252kg/ha) and T6(18,175kg/ha), (P<0.05). Protein dry matter yield was higher in T3(1,434kg/ha), C(1,386kg/ha)T5 and T6(1,345kg/ha) it was lower in T1(872kg/ha), (P<0.05). Crude protein of silage of T4 and T5 was higher than C, T2 and T3 were lower than it(P<0.05), while NDF content was not different. ADF content of T6 was higher than those of the other treatment. The highest hemi-cellulose among treatments was shown in T1 whereas T6 showed the lowest. Fresh intake of silge was 160.4, 155.8, 168.7, 172.9, 132.9, 158.7 and 185.2 g/BW for C, T1, T2, T3, T4, T5 and T6, respectively. Dry matter intake was high in line with T6(60.3g), C(153.8g), T3(53.6g), T5(47.8g), T2(46.8g), T4(35.2g) and T1(34.48g/BW), (P<0.05). Crude protein intake was high in line with T6(3.9g), T5(3.4g), C(3.4g), T2(2.9g), T3(2.9g), T4(2.6g) and T1(2.3g/BW), (P<0.05). As mentioned above the results, mono-cropping(T3) and inter-cropping(T5 and T6) could be recommended as increasing method of sorghum $\times$ sudangrass hybrid silage utilization when silage intake of dry matter and crude protein were considered.

Sorghum $\times$ Sudangrass 교잡종과 간작에 의한 청예 두과작물 선발 (Selection of Legume Crop by Intercropping with Sorghum $\times$ Sudangrass Hybrid)

  • 이상무;전병태
    • 한국초지조사료학회지
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    • v.16 no.2
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    • pp.93-104
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    • 1996
  • A field experiment was conducted in Chungju and Jungwon to evaluate growth characteristics, dry matter yield, protein yield and palatability of intercropping comparing with monocropping forage crops by the use of sorghum $\times$ sudangrass hybrid(S.S.H.), five forage soybeans and two forage cowpeas of superior to selected experiment of varieties. All eight treatment plots were replicated three times and cutting date were cut July 6 and September 9. 1. The mean leaf number of S.S.H. in intercropping T2 treatment showed high compared to T1 treatment in all treatment except for Hwangkeum treatment, but T3 treatment was lower than the other treatments. In the leaf number of soybean, Jangbaek treatment was the highest as 47 leaves per plant, cowpea treatments showed high above 50 leaves. The stem diameter of S.S.H. in Jangyeob treatment of T2 treatment was 9.6mm. In legume, cowpea of T3 treatment was high as ranged from 7.9mm to 8.2mm. In stem hardiness of S.S.H., TI treatment was the lower than the other treatments, while Jangbaek treatment of T2 treatment was the highest as $2.0kg/cm^2$. In legume crops, Jangbaek and Baekun treatment were the highest as $1.6kg/cm^2$, but T3 treatment was very low as $0.3~0.6kg/cm^2$. 2. In the mean leaf ratio of S.S.H., T1 treatment was higher than T2 and T3 treatment as 34.9%. In the legume crops, Togyu treatment was the highest as 40.9%. In the mean tiller number of S.S.H., T2 treatment showed high compared to TI treatment, but T3 treatment of was rather decrease than The tiller number of S.S.H. in Jangyeob treatment of T2 treatment was the highest as 4.6 per plant. The dead stubble of S.S.H. was high in order to T3>T1>T2 treatment>, T3 treatment was highly about 2 times compared to T2 treatment. 3. S.S.H. as T3 treatment was resistant to lodging, but T3 and T1 treatment showed highly lodging. In the legums, T3 treatment was resistant to lodging, but T2 treatment showed highly lodging. In the S.S.H. of T2 treatment, the leaf of summer depression was not occurrence, but T3 treatment was higher than the other treatments. 4. The palatability of domestic animals was high in order of T2>Tl>T3, especially Togyu treatment of T2 treatment was the highest at the holstein and deer, and Jangyeob treatment of T2 treatment was the highest in the Korean native cattle. But T3 treatment was lower than other treatments in the holstein and Korean native cattle. 5. Fresh yield of monocropping(T1) was the highest as 94, 650kg/ha, while dry matter yield in Jangyeob treatment of T2 treatment was the highest as 15, 575/ha But fresh yield and dry matter yield of T3 treatment were the lowest(P<0.05). 6. Protein yield in T2 treatment was high, especially Jangyeob treatment of T2 treatment was the highest as 1, 605.5 kg/ha T3 treatment was low in spite of high protein content, because dry matter yield was lower than the other treatments. In conclusion, among T1, T2 and T3 treatment, Jangyeob, Togyu and Baekun treatments of T2 treatment showed optimum varieties for intercropping with S.S.H., because they showed high Dry matter yield, protein yield and palatability.

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석문 간척지에서 돈분액비 및 석고처리가 여름철 사료작물 수량 및 토양이화학성에 미치는 영향 (Effects of Soil Amendment Application on Soil Physico-chemical Properties and Yields of Summer Forage Crops in the Sukmoon Reclaimed Tidal Land in Korea)

  • 최기춘;윤세형;신재순;김동관;한효심;수판자니;이경동
    • 한국환경농학회지
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    • v.29 no.4
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    • pp.354-361
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    • 2010
  • Soil physico-chemical properties and microbial densities are affected by organic sources and soil amendment applied to improve soil environments or quality. Generally organic fertilizer effects on forage crops yield and soil properties are partly due to changes of soil composition. We investigated the effects of swine slurry (SS), swine slurry composting-biofilteration(SCB) and chemical fertilizer(F) with gypsum(G) combinations on soil physico-chemical properties and yields of summer forage crop in the Sukmoon reclaimed tidal land in Korea. The forage crops used in this experiment were corn and sorghum$\times$sudangrass hybrid(hereafter sorghum). Our results showed that the soil physico-chemical properties in the combined (F+G, SS+G, SCB+G) treatments increased contents of organic matter and exchangeable $Ca^{2+}$, but exchangeable $Na^+$, $K^+$ and $Mg^{2+}$ reduced to 1-10% for two forage crops, compared to non-combined (F, SS, SCB) treatment. The density of soil microorganism such as bacteria, actinomycetes and fungi, increased significantly by SS+G and SCB+G treatments. This means that treatment of combined organic fertilizer with G lowered salinity levels and improved with microbial growth. The combined treatments also increased the total yields 2.3-6.2% for corn and 2.0-8.7% for sorghum, compared with non-combined treatment. This experiment suggests the combined treatments could increase the total yields of summer forage crops and change of soil physico-chemical properties in the Sukmoon reclaimed tidal land in Korea.

생육단계별 예취 시기가 수수 X 수단그라스 교잡종의 이용회수, 생육특성, 수량 및 조단백질수량에 미치는 영향 (Effect of Cutting Times according to Growth Stage in Sorghum X Sudangrass Hybrid on Frequence of Use, Growth Characteristics, Forage Production and Crude Protein Yield)

  • 전병태;이상무
    • 한국초지조사료학회지
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    • v.25 no.1
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    • pp.33-42
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    • 2005
  • A field experiment was conducted to evaluate growth characteristics, forage production and crude protein yield according to cutting time of Soghum ${\times}$ Sudangrass Hybrid, and decide ideal harvesting time for use of soiling and silage. Experiment design was arranged with 7 different treatment T1(150 m), T2(200 cm), T3(boot), T4(heading), T5(milk), T6(dough) and T7(yellow stage), as a randomized block design. The results were as fellows : Cutting times of utilization during the course of a year was 4 times at T1 and T2, 3 times at T3 and T4, and 2 times at T5, T6 and T7. Accumulative plant length was the highest at T2(666cm), but T3 was the lowest as 402 cm. Mean Leaf length was the highest at T5(82.1 m) and lowest at T7(T1.8 m). Mean leaf width was the highest at T2 and lowest at T6. Stem diameter was orderly ranked as T3(10.7 mm)>T1(9.5)>T2, T5(9.3>T6(8.9)>T7(8.6)>T4(8.5). Stem hardness was orderly ranked as $T7(3.2 kg/cm^2$>T5, T6(2.3)>T3, T4(1.5)> T2(0.6)>T7(8.6)>T1(0.5). Mean of leaf number and leaf ratio was the highest at $T3(8.1\%)$ and $T2(45.3\%)$, respectively. The highest yield of fresh and dry matter was obtained at T4 and T6 as 113,246 and 24,249 kg/ha, respectively(P<0.05), and e lowest at T7 and T1 as 82,675 and 13,006 kg/ha, respectively(P<0.05). Crude protein yield was highest at T6(1.456 kg/ha) and lowest at T3 as 1,189 kg/ha. As mentioned above the result T1, T2 and T3 could be recommended as use of soiling, and T5, T6 and T7 as silage.