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한국초지조사료학회 학술대회논문집
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한국초지조사료학회 2009년도 제3회 한중일 국제 심포지움 (2009년 8월) 122건
1.
2009.08
구독 인증기관·개인회원 무료
The situation, problems and models of forage production and industrialization in Beijing were analyzed, and the strategies were pointed out including: (1) The suitable planting areas for alfalfa, silage com and rye etc should be defined systemically, and the rational harvest time and dry skills should be set up in Beijing plain areas. (2) The perennial forage crops with higher drought resistance should be planted in the waste slope land and barren land. (3) The interplant forage crops in the woodland and orchard should be generalized.
2.
2009.08
구독 인증기관·개인회원 무료
3.
2009.08
구독 인증기관·개인회원 무료
Forage production and water use efficiency (WUE) of Lucerne were investigated in three varieties at different water availabilities. Forage production decreased with the severity of soil water availability. At 50% field water capacity (FWC), forage production dropped but in two varieties, Algonquin and Longdong, was still high and from 75%FWC to 50%FWC, forage production in Longdong decreased at the least rate. The greatest leaf WUE was observed in Longdong at all soil water availabilities. From 75%FWC to 50%FWC, it increased in Longdong and Xinjiangdaye, but decreased in Algonquin. With the severity of water deficit, δ¹³C value increased in all three varieties. At the same water availability, the greatest value was observed in Longdong. It suggested that moderate water stress can improve WUE in Lucerne. Longdong is to some extent more efficient in water use and may be more drought-tolerant with more steady production at moderate water deficit.
4.
2009.08
구독 인증기관·개인회원 무료
5.
2009.08
구독 인증기관·개인회원 무료
The paper mainly deals with the strategic position and vital function of prataculturae in agricultural area of the central plains of China, and analysis the current situation and principle problems of prataculturae in agricultural area, such as unsound ideological recognition, deficiency relevant policies, and unset infrastructure facilities for prataculturae. And poses the corollary commitment measure to develop prataculturae in agricultural area, for example, to develop biology feeds and return it to soil as animal excrements, implement the "grain crops, cash crops and forage crops" strategy into practice, strengthen infrastructure construction, enhanced pratacultural development, enlarge raising scale, promote grass industrialization, strengthen project management to promote grass industry level, reinforce science and technology innovation, enhance transformation and expansion of scientific research achievement, and realize the leaping development of prataculturae.
6.
2009.08
구독 인증기관·개인회원 무료
Dynamics of aboveground and underground biomass of Qinghai flat-stem bluegrass (Poa pratensis vayr. anceps Gaud. Cv in "＞" shape, and vertical distributions of biomass of roots, rhizomes and underground were all in "T" shape and fit equation of Y= l-βD. There was direct correlation between biomass of above ground and biomass of underground. Ration of underground to aboveground was 0.4l.
7.
2009.08
구독 인증기관·개인회원 무료
Effects of Different Clipping Time and Height on the Yield and Quality of Forage in Meadow Grassland
The effects of the different clipping time and height on the yield and quality of forage in the meadow grassland were investigated in this experiment. The results showed that the total yield of forage clipped on August 1st and kept the clipped height 5㎝ was high. The contents of crude protein and the phosphorus of forage were the highest on August 1st, with 9.66% and 0.13% respectively. The content of crude protein and the crude fat of forage kept the stubble height of 7㎝ were high, with 8.21% and 4.23% respectively. The crude fiber content of forage (24.85%) kept the clipping height of 3㎝ was high.
8.
2009.08
구독 인증기관·개인회원 무료
Shin-ichiro Ogura, Shusuke Sato, Shigefumi Tanaka, Shin Matsumoto, Kunihiro Abe, Toshio Shimizu, Yoshihiro Takahashi, Hiroshi Yoshida
Mulberry (Morus sp.) plantations have been deteriorating in Japan due to decline of silk industry. In mountainous areas, large part of the mulberry plantations has been wasted. Cattle grazing in the wasted mulberry plantations is a practical system to reuse the wasted areas for food production, because mulberry leaves are highly nutritive (Ezenwa and Kitahara, 2001), productive (Kitahara et al., 2002) and palatable to cattle (Ogura et al., 2008). In this study, the productivity and quality of mulberry leaves were investigated for 3 years in a wasted mulberry plantation grazed with beef cows, in Minamisanriku town, Miyagi, Japan. Cattle grazing started in September 2005 (paddock A, 44 a) and June 2006 (paddock B, 96 a). For each paddock, two pregnant cows were grazed from June to August-October in 2006-2008. In the paddocks A and B, four mulberry trees were chosen and the leaf mass and chemical composition were measured in mid-June and late August (pre-grazing leaf mass) during 2006-2008. A non-grazed paddock was also measured in 2007-2008. Leaf productivity of mulberry trees significantly decreased with cattle grazing; pre-grazing leaf mass changed from 246.8 g to 10.4 g DM/tree and 286.2 g to 17.6 g DM/tree in the paddock A and B, respectively (Fig 1). In contrast, 149.2-365.1 g DM/tree of leaves was produced in the non-grazed paddock. Chemical composition was stable during the three years in all paddocks. It is concluded that cattle grazing gives severe damage to leaf production of mulberry trees in three years.
9.
2009.08
구독 인증기관·개인회원 무료
This experiment was carried out to find out the optimum variety of com hybrids and to find out alternative crops in the rice black-streaked dwarf virus(RBSDV) prevalent area. Productivity of 4 Korean improved and 6 introduced com hybrids and RBSDV infection rate were tested for 3 years in both Cheonan(middle part of Korea) and Gochang(southern part of Korea). Percentage of RBSDV diseased plants differed depending on the hybrid and region.
10.
2009.08
구독 인증기관·개인회원 무료
To know adaptability and production of silage corn, we studied on paddy field experiment. Heading date of 'Kwangpyongok' and 'P32P75' Hybrids was on 15th July, 14th July respectively. The dry matter yield of 'P32P75' hybrid (20.4ton/㏊) was the highest among 10 hybrids and that of 'Kwangpyongok' hybrid (19.1ton/㏊) showed high in domestic corn hybrids and other characters as like feed vales is almost same in 10 hybrids.
11.
2009.08
구독 인증기관·개인회원 무료
Jong Geun Kim, Eui Soo Chung, Sei Hyung Yoon, Min Woong Jeong, Byoung Soo Jeon, Nam Chul Cho, Young Chul Lim
This experiment was conducted to evaluate the effect of seeding rate on the quality and yield of whole crop rice variety, "Namil". Whole crop rice variety, "Namil", was direct seeded at 25 April. The seeding rate were four level(30, 60, 90, and 120㎏/㏊). There was not found significantly difference plant height and dry matter(DM) content among seeding rate. Acid detergent fiber(ADF) and neutral detergent fiber(NDF) content was increased until 90㎏/㏊ of seeding rate. The content of TDN(total digestible nutrient) decreased also with increased seeding rate until 90㎏/㏊ seeding rate. The highest fresh and DM yield showed at 120㎏/㏊ seeding rate. But there was not found significantly difference among 60, 90 and 120㎏/㏊ seeding rate. Although high seeding rate increase the DM yield, 60㎏/㏊ seeding rate will be recommendable as proper seeding rate for whole crop rice.
12.
2009.08
구독 인증기관·개인회원 무료
Jong Geun Kim, Joung Kyong Lee, Sung Seo, Eui Soo Chung, Hyung Soo Park, Won Ho Kim, Nam Chul Cho, Young Chul Lim
This experiment was conducted to evaluate the effect of seeding rate on the quality and yield of whole crop rice variety, "Nokyang". Whole crop rice variety, "Nokyong", was direct seeded at 25 April. The seeding rate were four level(30, 60, 90, and 120㎏/㏊). There was not found significantly difference plant height and dry matter(DM) content among seeding rate. The average DM content was 44.1%. Dry matter yield of 30㎏/㏊ seeding rate plot was decreased compared to others treatment. The CP yield of 60㎏/㏊ seeding rate plot was the highest among treatments. Acid detergent fiber(ADF) and neutral detergent fiber(NDF) content have not been affected in relation to seeding rate. The content of TDN(total digestible nutrient) increased with increased seeding rate until 90㎏/㏊ seeding rate. The highest fresh and DM yield showed at 120㎏/㏊ seeding rate. But there was not found significantly difference among 60, 90 and 120㎏/㏊ seeding rate. Although high seeding rate increase the DM yield, 60㎏/㏊ seeding rate will be recommendable as proper seeding rate for whole crop rice.
13.
2009.08
구독 인증기관·개인회원 무료
Won Ho Kim, Joung Kyong Lee, Hyung Soo Park, Hee Chung Ji, Young Chul Lim, Meing Joog Kim, Gi Jun Choi, Jae Soon Shine, Sung Seo
14.
2009.08
구독 인증기관·개인회원 무료
Joung Kyong Lee, Jong Duk Kim, Hyun Jin Lee, Kyeong Hup Jeon, Jong Guen Kim, Sung Seo, Min Woong Jung, Jin Hyuk Choi, Nam Chul Jo, Hyung Soo Park, Won Ho Kim, Young Chul Lim
Although whole crop barley are now widely grown as a silage crop in Korea, but silage quality of the whole crop barley produced from farmer's fields have not been published. Therefore, this experiment was conducted to evaluate forage quality of whole crop barley which was participated in Korean quality contest in 2008. These data were classified by region, forage production, added inoculants, planting date and harvest date. Difference on lactic acid of barley silage was detected in the region (p＜0.05), however, there no significant differences in other chemical composition. The moisture and lactic acid were significant differences in dry matter yield of barley silage. There is all the difference between silage added inoculants and control. Differences between planting dates in ash and crude protein (CP) were detected in barley silage (p＜0.05). From comparison within harvest date, lactic acid ㏊d significant differences among barley silage. Differences in forage quality were observed among whole crop barley for silage. Therefore, nutritional quality as well as lactic acid is important in silage quality contest of whole crop barley.
15.
2009.08
구독 인증기관·개인회원 무료
Hyung Soo Park, Kyung Jun Hwang, Joung Kyong Lee, Won Ho Kim, Jong Geun Kim, Ki Won Lee, Young Chul Lim
This experiment was conducted to evaluate forage yield and feed value of warm season grass in subtropical area. The species having the fastest heading date was bermudagrass 'ecotype' (24th April) while the heading date of bahia grass 'Argentine' was the latest as 13th August. Plant height and dry matter of switch grass was the highest. Dry matter yield of switch grass was usually greater t㏊n the other entries in Jeju and Wando. Bermudagrass cultivars had higher CP concentration t㏊n the other entries. NDF and ADF concentration in switchgrass was higher t㏊n in bermudgarss and bahiagrass cultivars.
16.
2009.08
구독 인증기관·개인회원 무료
Sung Seo, Seong-Il Kim, Won-Ho Kim, Ki-Yong Kim, Sang-Hoon Lee, Jong-Geun Kim, Joung-Kyong Lee, Ji-Eon Park, Byung-Chul Lee, Hea-Shin Je, Chang-Ho Ko, Hong-Woog Kim
Nowadays, importance of regional specific on-farm research is largely increased in order to reduce the feeding cost of cattle. For this project, three regional districts (Yeongam, Yeonggwang and Jangheung) were selected wherein the cultivation area of forage production were largely increased from 1,200 ('08) to 2,600 ㏊ ('09) in Yeongam, 1,001('08) to 1,925 ㏊ ('09) in Yeonggwang, and 1,300 ('08) to 2,820 ㏊ ('09) in Jangheung district. Among the forage species, Italian ryegrass (IRG) and forage barley were predominantly cultivated in these regions. On the other hand, rye, grassland and summer annual forages were cultivated very little in a manner of land area. The productivity of forage barley was slightly increased 21.5('06), 26.2('07), and 27.3 MT/㏊ ('08) as silage. The number of farm and cultivation area was also increased remarkably. The present research project will be conducted from 2009 to 2010. Forage production and utilization for reduction of feeding cost, and high quality of Hanwoo beef production will investigated, in a manner of cultivation of forage crops mainly IRG, forage barley, IRG+barley mixture and corn.
17.
2009.08
구독 인증기관·개인회원 무료
Barley is an important substrate for forage production in winter season of Korea. In this study, field trials were carried out to investigate the effects of harvest time and cultivar on the yield and quality of forage barleys developed in Korea. Four whole crop barley cultivars (Youngyang, Wooho, Yuyeon and Dami) were selected and harvested on five separate growth stages (heading, and intervals of 1, 2, 3, and 4 weeks after heading) in split plot design with three replications. Forage yield and nutritive value were determined. Results from this experiment indicated significant differences due to harvest time and cultivar in dry matter yield and total digestible nutrients (TDN) yield for forage. The interaction between harvest time and cultivar was not significant. The TDN yield trends were increasing with later harvest time due to higher dry matter yield and TDN content. This experiment provides some interesting results with respects to optimum harvest time, feed value and ultimately yield for the different whole crop barley cultivars.
18.
2009.08
구독 인증기관·개인회원 무료
Gi Jun Choi, Young Chul Lim, Byung Ryul Sung, Ki Yong Kim, Sang Hoon Lee, Hyung Soo Park, Sung Seo, Hee Chung Ji
19.
2009.08
구독 인증기관·개인회원 무료
We measured cobalt content in sorghum (Sorghum bicolor (L.) Moench.) by atomic absorption spectrophotometry: their absorbance and back ground values. These analyses were with AA-680 of Shimadzu. The mode was BGC; wave length, 240.8 ㎚, 240.7 ㎚, 240.6 ㎚, respectively. The recommended wave length is 240.7 ㎚ for Co analysis. It was done through several ratios among 4 factors; mean of absorbance(AM), standard deviation of absorbance (AS), mean of background(BM), standard deviation of background.(BS). The result was t㏊t 240.6 ㎚ was the favourable. And t㏊t of 240.8 ㎚ was better t㏊n t㏊t of 240.7 ㎚ for the Co analysis.
20.
2009.08
구독 인증기관·개인회원 무료
Jong Duk Kim, Joung Kyong Lee, Chan Ho Kwon, Hyun Jin Lee, Hyun Jin Lim, Kyeong Hup Jeon, Ka-Young Yang, Jong Geun Kim, Hyo Won Lee
Although winter rye is now widely grown as a silage crop in Korea, but silage quality of the winter rye produced from farmer's fields have not been published. Therefore, this experiment was conducted to evaluate forage quality of winter rye which was participated in Forage Quality Contest in 2008. These data were classified by resign, forage production, added inoculants, planting date, and harvest date. Difference on lactic acid of rye silage was detected in forage production (p＜0.01), however, there were no significant differences among the rye silage tested. The moisture and lactic acid were significant differences in dry matter yield of rye silage. There is all the difference between silage added inoculants and control. The pH, ash, CP, NDF and ADF of rye added with inoculants were higher t㏊n those of control silage, however, the TDN and lactic acid were increased in silage added with inoculants. The ash and CP were significant differences in planting date, but lactic acid was significant differences in harvest date. This experiment indicates t㏊t lactic acid of silage was good indicator for evaluation of rye silage. Differences in forage quality were also observed among winter rye silage. Therefore, nutritional quality as well as lactic acid is important in silage quality contest of winter rye silage.
