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RISS 인기검색어
- 검색키워드
- 저자 : 김동암 ( Moon chul Kim (검색결과 4 건)
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Italian ryegrass , Orchardgrass 및 Ladino clover 의 파종비율이 초년도에 있어서 목초의 생장 , 수량 및 식생비율에 미치는 영향
김문철,김동암 ( Moon Chul Kim,Dong Am Kim ) 한국축산학회 1976 한국축산학회지 Vol.18 No.2
This experiment was carried out to determine the effects of different seeding rats of Italian ryegrass (Lolium multiflorum), orchardgrass(Dactylis glomerata) and ladino clover (Trifolium repens) on the establishment of pasture species, and yield and botanical composition of pasture mixtures in the seeding year over a period of 7 months from March to September, 1975. Five different seeding rates of Italian ryegrass (subplot treatments) 0, 0.5, 1.0, 1.5 and 2.0㎏ per 10a mixed with two different seeding rates of orchardgrass-ladino clover (mainplot treatments), such as 1.0㎏ of orchard grass with 0.1㎏ ladino clover (M₁) and 2.0㎏ orchardgrass with 0.2㎏ of ladino clover (M₂) were arranged as a split-plot design with three replications. The results obtained are as follows: 1. At the early stage of the experiment, the total dry matter yield of pasture species was significantly increased with increase in the seeding rates of Italian ryegrass, whereas no increasing effect was found when the seeding rates of Italian ryegrass(subspecies) increased at the final stage. 2. At the early stage, the different seeding rates of orchardgrass-ladino clover (keyspecies) had no effect on the total yield of pasture species, while at the final stage the total yield of pasture species was significantly increased in high seeding rates of orchardgrass-ladino clover. 3. Over the experimental period, the increase in the total dry matter yield of pasture species was proportional to the increase of Italian ryegrass seeding rates, but no difference was found between two seeding rates of orchardgrass-ladino clover. However, there was a significant interaction between the seeding rate of orchardgrass-ladino clover and that of Italian ryegrass for the dry matter yield of pasture species. 4. It was found that the dry matter yield of weeds decreased with increase in the rate of each pasture species over the experimental period. 5. In the seedling establishment of pasture species, no significant difference way found among different see3ing rates of Italian ryegrass, orchardgrass and ladino clover. 6. The total tiller number of orchardgrass and the node number of ladino clover per 600 em2 were proportionally decreased as the seeding rates of Italian ryegrass increased, however, the node number of ladino clover was increased when the seeding rates of Italian ryegrass increased. 7. At the early stage of the experiment, the botanical compositions of orchardgrass and ladino clover were decreased in proportion to the increasing seeding rates of Italian ryegrass. Nevertheless, there was a trend towards depression with slow curve on botanical compositions of orchardgrass and ladino clover in the high seeding rate of the key species. The different seeding rates of Italian ryegrass at the final stage gave no clear effects on the botanical compositions of each pasture species.
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제주화산회토양에 있어서 목초의 인산이용에 관한 연구 1 . 농암갈색 화산회토양에 있어서 목초류의 인산비료이용
김문철,정창조,김동암 ( Moon chul Kim,Chang cho Choung,Dong am Kim ) 한국축산학회 1985 한국축산학회지 Vol.27 No.2
This study was carried out to determine the effect of phosphorus fertilizer in very dark brown volcanic ash soil. These trials were made to evaluate the dry matter yield and mineral concentration response of orchardgrass, perennial ryegrass, tall fescue, reed canarygrass and ladino clover. 1. On very dark brown soil, the best adapted pasture species were orchardgrass and ladino clover. Their dry matter yield increased with increasing levels of phosphorus fetilizer. 2. In proportion to the phosphorus application level, the phosphorus content of passture species increased. This increase was greater in legume species than in grass species. 3. Phosphorus application levels had little effect on Cai Mg and K content, but when no phosphorus was applied, the Ca, K and Mg content was higher. 4. With increased phosphorus application levels, the percentage N of grass species investigated decreased, while in legume species the N percentage increased.
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제주화산회토양에 있어서 목초의 인산이용에 관한 연구 2 . 흑색화산회토에서 orchardgrass 와 Iadino clover 의 용인과 인광석 이용
김문철,정창조,김동암 ( Moon chul Kim,Chang cho Choung,Dong am Kim ) 한국축산학회 1985 한국축산학회지 Vol.27 No.1
The growth responses of Dactylis glomerata and Trifolium repens to fused-phosphate and rock-phosphate were compared on the very dark brown and black volcanic grassland soil in the outdoor pot experiment. The results obtained were as follows. 1. Dry matter yield of orchardgrass and ladino clover on black soil increased as affected by fertilizer levels applied. There was a rapid increase in dry matter yield of orchardgrass, but a slow increase in ladino clover, only about half the dry matter yield compared to orchardgrass. 2. There was a similar effect on the DM of orchardgrass when fused phosphate was applied compared to rock-phosphate. However, in the case of ladino clover, there were greater dry matter yields with the application by fused phosphate than with rock phosphate. 3. The phosphorus content of orchardgrass grown in black soil increased according to the level of fertilizer applied. The orchardgrass to which fused phosphate was applied contained more p-concentration than that to which rock phosphate was applied. But that of ladino clover was not affected according to fertilizer levels applied. 4. In these two species investigated, there was no marked difference in Ca, Mg, and K content according to papplication level, method of mono-culture or mixture, and kind of phosphate fertilizers.
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