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Comparison of Productivity of Various Silage Corn Varieties II. Chemical composition and nutrient yield of different part of silage corns
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Silage용 옥수수의 품종별 생산성 비교 Il. 옥수수 부위별 조성분 함량 및 영양소 생산성

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Type
Academic journal
Author
김병호 (경상대학교 농과대학) 문여황 (경상대학교 농과대학) 신정남 (계명전문대학)
Journal
THE KOREAN SOCIETY OF GRASSLSND SCIENCE 한국초지조사료학회지 한국초지조사료학회지 제12권 제3호 KCI Accredited Journals
Published
1992.1
Pages
185 - 192 (8page)

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Comparison of Productivity of Various Silage Corn Varieties II. Chemical composition and nutrient yield of different part of silage corns
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This experiment was conducted to compare the productivity of five silage corn varieties. Corn varieties were Pioneer 3144(P 3144), 3160(P 3160), 3282(P 3282), 3352(P 3352) and Suweon 19(S 19) and were seeded on May 2 and harvested on August 15. Ratios of stalk, leaf and ear, chemical composition and yields of nutrients were investigated in respective corn part. Experimental design was accepted by Latin square arrangement with five replicates and each plot had twenty two plants. The results obtained were as follows: 1. Crude portein, crude ash and nitrogen free extract(NFE) contents of whole plant ranged from 6.32 to 7.18%, 5.16 to 7.43% and 52.62 to 57.90%, respectively, and there were no significant(P>.Ol) differences between varieties. Crude protein and NFE content were the highest in ear between corn parts. 2. Crude fiber conent of whole plant ranged from 18.98 % to 24.01 %, and was the highest in suweon 19 and the lowest in P 3352(P<.01). Crude fiber content was the highest in stem and the lowest in ear, However, crude fat content(2.03-3.66 %) vice versa. 3. Yields of organic matter, crude protein, crude fat, NFE and TDN per 10a were the greatest(P< .01) in P 3282, however crude fiber yield was the highest(P<.Ol) in P 3352. 4. Ratios of different part to total dry matter yield ranged from 12.7 %(P 3352) to 17.8 %(P 3160) for leaf, 44.5(P 3352) to 66.9 %(P 3160) for stem and husks, and 16.9 %(P 3282) to 42.8 %(P 3352) for ear, and there were significant differences between corn varieties(P<.Ol). Consequently, P 3352 has the greatest nutrient yields, particularly by ear, and P 3282 has a great nutrient yield by stem. This result suggested that could be appear a better character of silage corn by hybridization of this two corn varieties.

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