논과 밭에서 감자-옥수수 작부체계의 수량 및 소득 비교
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서지정보
ㆍ발행기관 : 한국국제농업개발학회
ㆍ수록지정보 : 한국국제농업개발학회지 / 28권 / 4호
ㆍ저자명 : 배환희, 이진석, 손범영, 김정태, 김상곤, 백성범
ㆍ저자명 : 배환희, 이진석, 손범영, 김정태, 김상곤, 백성범
영어 초록
To identify the limited and adaptable sowing date and select the double cropping system, two different cropping systems such as potato (Sumi, Chubaek) - maize (Ilmichal, Yanganok) and maize (Ilmichal, Yanganok) - potato (Chubaek) were conducted in paddy and upland field condition. We observed and compared plant growth characteristics, yield potential, and income at two different cropping systems. Average yield of potato (first crop, Sumi) in paddy field was higher than upland field when planted at March 20. The plant height and stem length of the second cropping potato sown at August 20 were 30 cm higher than first cropping potato sown at March 20, which is reduced about 1,500 ~ 2000 kg/ 10a of the second cropping potato yield. Stem length and the first ear height of the first cropping corn Ilmichal sown at April 15 in paddy field were 5~10 cm higher than upland field and ear property was similar. Silking date of the second cropping corn Ilmichal sown at July 3 were about 19 day earlier than the first cropping corn Ilmichal sown at April 15, However, both stem length and the first ear height of the second cropping corn Ilmichal sown at July 3 were small compared to those of sown at April 15. Ear property of Yanganok sown at June 19 and July 3 were similar in both paddy and upland field. Fresh weight yield (aerial part, kg/10a) of Yanganok sown at June 19 were 500 ~ 700 kg/10a higher than those of sown at July 3. In view of income comparison between two different cropping systems, Chubaek-Ilmichal and Chubaek-Yanganok cropping systems were best combination, Ilmichal-Chubaek and sumi- Yanganok cropping systems were worst combination in upland field. Chubaek-Ilmichal and Chubaek- Yanganok cropping systems were best combination, Ilmichal-Chubaek cropping systems was worst combination in paddy field.참고 자료
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