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논문 기본 정보

자료유형
학술저널
저자정보
박근제 (축산기술연구소) 김정갑 (축산기술연구소) 김맹중 (축산기술연구소) 서성 (축산기술연구소)
저널정보
한국초지조사료학회 한국초지조사료학회지 한국초지조사료학회지 제16권 제4호
발행연도
1996.1
수록면
260 - 266 (7page)

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To find out the residual effect of phosphate fertilization level on the dry matter yield and nutrient plloductivity of pasture plants, this experiment was arranged as a randomized complete block design with six treatments(0-0, 50-50, 100-65, 150-65, 200-65 and 250-65kg $P_2O_5$), those were composed of three $P_2O_5$ fertilization level(0,50 and 65kg $P_2O_5$ after phosphate fertilization trial with six treatments(0, 50, 100, 150, 200 and 250kg $P_2O_5$/ha) from 1989 to 1992, and conducted at hilly land in Kwangju, Kyonggi Province from 1993 to 1994. The results obtained are summarized as follows : As the available phosphate of soil increase, the early growth and cover degree of pasture plants wintered were more favorable. With 150-65kg $P_2O_5$ application for two years, the average dry matter yield of grasses, 9,862kglha was similared to that of 200-65kg $P_2O_5$/ha. The crude protein and energy productivity of pasture plants tended to increase as available phosphate of soil was increased, but those were not different between 150-65 and 250-65kg P 2 0 4 a Efficiency of $P_2O_5$ was highest at $P_2O_5$ 150-65kg/ha fertilization, wHich produced dry matter 11 1.8kg. net energy lactation(NEL) 67 1.2M.f per I kg P205. Therefore, phosphate fertilization is recommended strongly application with 150kg/ha for three years after pasture establishment, and then 65kg/ha for two years a reasonabl management in hilly grassland.

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