Journal of The Korean Society of Grassland and Forage Science
/
v.42
no.4
/
pp.237-242
/
2022
'Jogreen' (Secale cereal L.) was developed for rye cultivars not fast heading but winter hardiness with high yields, which was open-pollinated by ten rye cultivars including 'Chochun' in 1995. Its average heading date was April 15, which was five days earlier on average compared with 'Gogu'. At harvest, the plant height of 'Jogreen' was 117 cm which was taller than 'Gogu' as much as 6 cm. The number of stems was 983 per m2, which was higher than that of Gogu (979). 'Jogreen' did not show both winter kill and powdery mildew, but showed lodging as 3 which is similar to 'Gogu'. The biomass in the dry weight base was 8.1 MT ha-1, and showing was 4% higher than 'Gogu'. The crude protein content of 'Jogreen' was 11.9%, 0.8% lower than that of 'Gogu', and the acid detergent fiber (ADF) and the neutral detergent fiber (NDF) contents were 36.9% and 64.5%, respectively, higher than that of 'Gogu'. The total digestible nutrients (TDN) content also was low, but the TDN content was 5.09 ton ha-1, which was higher than that of 'Gogu'. The seed productivity of 'Jogreen' was approximately 3.1 ton ha-1, which was similar to the check. 'Jogreen' was found to be resistant to winter kill and can be adapted to after-paddy-rice cultivation in all Korean provinces. 'Jogreen' is likely to lodge, therefore, farmers should follow the recommended seeding rate and fertilization rate.
These experiments were conducted for decrease of injury by continuous cropping in the peanut fields of Chonbuk Wangkungarea. The continuous cropping field for four years was used in this experiment. Italian ryegrass and rye were cultivated andlime materials were distributed for improvement of soil fertility. The results were as follows; 1. Forage crops were cultivatedand lime materials were distributed on the continuous cropping field of peanut. The organic matter content of the expermentalplot cultivating Italian ryegrass was only 1.25%. The organic matter content of soil cultivated Italian ryegrass after distributedmagnesium lime was 1.37% and that of soil cultivated Italian ryegrass after distributed gypsum was 1.30%. It was highcontent comparing to that of soil distributed lime materials only. The organic matter content of soil cultivated rye after distributed gypsum was 1.77%. 2. The phosphate content of soil cutivated Italian ryegrass was 332ppm. The phosphate content ofsoil cultivated Italian ryegrass after distributed magnesium lime was 34Oppm and that of soil cultivated Italian ryegrass afterdistributed gypsum was 31 2ppm. The phosphate content of soil cultivated rye only was 386ppm. The phosphate content ofsoil cultivated rye after distributed gypsum was 41 8ppm. This phosphate content was lower than that of soil distributed limematerials only. 3. The phytotoxin content of soil cultivated Italian ryegrass after distributed magnesium lime was decreased to17.7% and that of soil cultivated Italian ryegrass after distributed gypsum was decreased to 25.3%. The phytotoxin content ofsoil cultivated rye after distributed magnesium lime was decreased to 12.0% and that of soil cultivated rye after distributedgypsum was decreased to 12.8% comparing to the phytotoxin content of soil distributed lime materials only. Italian ryegrasswas effective to decrease phytotoxin among the forage crops and gypsum was effective among the lime materials. 4. Abacterial wilt and a late spot of peanut which were known as, main reason of continuous cropping failure were surveyed.lnccidence of a bacterial wilt was 3.4% in the plot cultivated Italian ryegrass only and that was 2.9% in the plot cultivated ryeonly. lnccidence of a bacterial wilt was 2.5% in the plot cultivated Italian ryegrass after distributed magnesium lime and thatwas 2.3% in the plot cultivated rye after distributed gypsum. Inccidence plot cultivated forage crops was lower than that of plotdistributed lime materials. 5. Inccidence of a late spot was high in the plot cultivated forage crops ony, but it was low in the plotcultivated forage crops after distributed lime materials comparing to that of the control plot. 6. The growth and yield of peanutwere bad in the plot cultivated forage crops only comparing to the control plot distributed lime materials only. These resultswere same in the plot cultivated rye after distributed lime materials, but the growth and yield were grown up in the plotcultured Italian ryegrass after distributed lime materials.
Kim, Jong Geun;Park, Hyung Soo;Lee, Sang Hoon;Jung, Jeong Sung;Lee, Ki Won;Ko, Han Jong
Journal of The Korean Society of Grassland and Forage Science
/
v.35
no.2
/
pp.145-151
/
2015
This experiment was conducted to evaluate the productivity and silage quality of domestically developed forage crops in Korea. A variety of rye ("Gogu"), oat ("Samhan"), three Italian ryegrass ("Kogreen", "Kospeed" and "Kowinearly") and two barley ("Yuyeon" and "Youngyang") were evaluated at an experimental field of Grassland and Forage Division, National Institute of Animal Science, RDA in Korea. Gogu showed the highest dry matter yield among the forage crop but the lowest was Samhan. Crude protein (CP) was higher in the oat and Italian ryegrass varieties. The total digestible nutrient (TDN) content levels were similar with the except for the rye. The acidity (pH) of the oat silage was the lowest among forage crop species. Higher lactic acid content levels were found in the Kogreen and Samhan compared to the other varieties (p<0.05). According to Flieg's score, all of the silages were assigned a $1^{st}$ quality grade with the exception of the Gogu. These results suggest that domestically developed forage crop varieties show high performance in terms of productivity and silage quality, and are therefore recommendable forage crop varieties for Korea.
Journal of The Korean Society of Grassland and Forage Science
/
v.27
no.3
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pp.167-172
/
2007
Manure recycle is an emerging issue in agriculture in Korea these days. Farmers are keeping eye on legume mixture with grasses for nitrogen fixation and transfer to companion crops by legumes. We had a trial to investigate the effect of different legume mixtures on nitrogen fixation and transfer in spring soil. The treatment was arranged in a randomized complete block design with three replications. Three different mixtures were used(rye+hairy vetch, Italian ryegrass+crimson clover, oat+pea) and sowed in pots with paddy soil from western part of Korea(Seo Chon County). Pots with rye+vetch were transplanted from field of RDA(rural development administration) in Suwon on 2 February 2007 and other mixture treatments were sowed on early March with different sowing rate(7:3=Italian:crimson, 6:4=oat:pea). $(^{15}NH_4)_2SO_4$ solution at. $99.8\;atom%^{15}N$ was applied to the each pot at the rate of $2kg\;N\;ha^{-1}$. Application was done on 6 April at rye+vetch pots and remainder were applied on April 16. Forage were harvested from each pot at ground level in heading stage and separated into legume and grass. Total N content and $^{15}N$ value were determined using a continuous flow stable isotope ratio mass spectrometry. DM yield of rye+vetch, Italian+crimson and oat+pea were 6,607, 3,213 and 4,312 kg/ha, respectively. Proportion of N from fixation was 0.73(rye+vetch), 0.42(Italian+crimson) and 0.93(oat+pea). The percentages of N transfer from legume to grass were from 61% to 24% in different method by treatment and -35% to 21% in isotope dilution method.
This experiment was conducted to investigate the effects of nitrogen fertilizer level on forage yield and feed value, and to clarify the optimum nitrogen fertilizer level of rye in middle west area when cultured in paddy field. The field experiment treated 5 levels of nitrogen fertilization was carried out at Yesan from Oct. 1990 to June 1991. The fresh and dry weight increased with increased nitrogen fertilizer level by 30kg /10a, but dry matter ratio decreased. The ratio of leaf blade and leaf sheath in rye plant increased with increased nitrogen fertilizer level, but the ratio of stem and inflorescence decreased. The content and yield per unit area for protein, total digestible nutrient(TDN). Minerals, and energy increased with increased nitrogen fertilizer level, while acid detergent fiber(ADF) and neutral detergent fiber(NDF) decreased. The ratio of available protein among crude protein became higher with increased nitrogen fertilizer level. The optimum clipping time for net energy gain(NEG) and net energy maintenance(NEM) were 10 days earlier than milk stage for conventional items including TDN and proteins.
Journal of The Korean Society of Grassland and Forage Science
/
v.15
no.1
/
pp.73-79
/
1995
A simple conservation technique baled silage making of selected froage materials was discussed in Suwon and in Muan county during 1991 - 1992. Eleven species of forage crops and pasture grasses(maize. sorghum, pearl millet, barnyardgrass, rye, barley, spring oat, Italian ryegrass, orchardgrass, alfalfa and grass-legume pasture mixtures) were harvested at different growth stage from young plant to maturity and baled in a self constructed square baling chamber, and wrapped in a 0.05mm thick polyethylene plastic film. Each bales measured by 90cm long, 60cm wide and 50cm height and weighted between 15~20kg in dry matter basis. physio-molphologcal characteristics of the plants, leaf weight ratio(LWR), leaf area ratio(LAR), stalk ratio (SR), stalk hardness(SH) and other growth parameters, were analysed and were used as a parameter to evaluate the suitability of materials for baling. Italian ryegrass including orchardgrass, alfalfa and pasture mixtures produced high quality baled silage. Silage quality point(F1ieg-point) of Italian ryegrass was improved from 63 point in crushed custom silage to 75 piont in baled silage. Meterial of grass-legume pasture mixtures showed 55 point in crushed silage and 67 point in baled silage. Fodder rye, barley, spring oat and barnyardgrass were also evaluated as a good materials for baled silage making. On the other hand, meize including sorghum and peral millet were evaluated as a not suitable materals for baling due to its high value of SR and SH. Quality of maize was excellent with 88 point in clushed silage and medium with 47 point in baled silage making.
Choi, Ki Choon;Soundarrajan, Ilavenil;Srisesharam, Srigopalram;Park, Hyung Soo;Kim, Ji Hye;Jung, Jeong Sung;Kim, Hyun Seup
Journal of The Korean Society of Grassland and Forage Science
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v.36
no.1
/
pp.23-28
/
2016
The present study was carried out to explore the potential effects of novel lactic acid bacteria Pediococcus penticeous KCC-23 (KCC-23) and Lactobacillus plantarum KCC-24 (KCC-24) on rye haylage fermentation at National Institute of Animal Science, Cheonan province in Korea. The experiment contains three different groups such as control without lactic acid bacteria, rye haylage with KCC-23 and rye haylage KCC-24. After experimental periods, the content of crude protein, acid detergent fiber (ADF), neutral detergent fiber (NDF), the activity of total digestible nutrient (TDN) and In-vitro digestibility (IVD) was similar in control and LAB treated haylage (p<0.05). The pH was reduced in KCC-23 and KCC-24 treated rye haylage as compared to control (p<0.05). The lactic acid concentration in haylages was increased by L. plantarum KCC-23, and KCC-24 supplement. Whereas, the less amount of acetic acid and butyric acid was noted in KCC-23 and KCC-24 treated haylage as compared with control (p<0.05). The KCC-23 and KCC-24 were dominantly grown in experimental haylage as compared with control. It indicates, the addition of KCC-23, and KCC-24 enhances fermentation quality of haylages as compared control. The present study suggests that KCC-23 and KCC-24 are potent strains that were improving the fermentation process in rye haylage
Journal of The Korean Society of Grassland and Forage Science
/
v.29
no.3
/
pp.187-196
/
2009
The objectives of this study were to evaluate the different cutting dates on the changes of feed quality among five cereals (barley, wheat, rye, triticale and oat) for whole crop silage. Field trials were conducted at paddy field in Yesan, Chungnam Province and the aerial parts were clipped 10 days from 15 March to 15 June. Changes of acid detergent fiber (ADF) content in relation to different cutting dates was described by a quadratic curve for 5 winter cereals crops. ADF content reached a maximum at 5 days after heading in barley cultivar 'Youngyang', 7 days in wheat 'Keumkang', 18 days in rye 'Gogu', 1 days in triticale 'Shinyoung' and 10 days in oat 'Samhan'. Neutral detergent fiber (NDF) content were linearly increased as growing after overwintering and stagnated or slightly decreased after heading. The crude protein were linearly decreased throughout the growth period of 5 whole crop cereals. Digestible dry matter (DDM) content were decreased from early stages to heading and subsequently increased as grain filling. Relative feed value (RFV) for 5 crops were decreased as growing and subsequently increased as grain filling after heading. Barley cultivar for only forage use 'Youngyang' were lower at ADF and NDF content and higher at DDM and RFV after heading than those of other cereals for forage use. So, barley for whole crop silage was a good crop with high feed quality and high proportion of spikes compared with other winter cereal crops. Wheat cultivar for grain 'Keumkang' were higher at crude protein than those of other four cereals from overwintering to maturing and were higher at DDM and RFV after heading than those of rye, triticale and oat. Rye cultivar with cold tolerant and high fresh yielding 'Gogu' were highest at ADF and NDF content and lowest at DDM content and RFV. So, rye was a crop with low quality for forage use compared to other winter cereal crops. Triticale cultivar with flourishing and high yielding 'Shinyoung' was intermediated between barley and rye, and were linearly increased at DDM yield by different cutting dates. Oat cultivar with cold tolerant and high tillering 'Samhan' were lower at ADF and NDF content and higher at crude protein before heading, but after heading, there are not especially advantages compared to barley, wheat or triticale.
Jo, Ik-Hwan;Yun, Young-Bum;Park, Wung-Ryeol;HwangBo, Soon;Lee, Sung-Hoon;Lee, Ju-Sam
Journal of The Korean Society of Grassland and Forage Science
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v.28
no.4
/
pp.323-330
/
2008
This study was carried out to evaluate the effect of application of cattle manure and chemical fertilizer on dry matter productivity and nutritive values of rye and hairy vetch according to two different sowing methods such as single or mixed-sowed cultivation. Dry matter and TDN yields for rye single culture, and rye and hairy vetch mixed culture were 7.2 and 4.0 ton/ha, and 8.0 and 4.4 ton/ha, respectively. They were significantly (p<0.05) higher than that (4.5 and 2.7 ton/ha) of hairy vetch single culture. Moreover, plots produced by mixed-sowing cultivation had a higher crude protein (CP) as 7.7% than that of only rye plot, and higher TDN and RFV as 55.8 and 79.4%, respectively. Within rye alone plots, completely cattle slurry application produced significantly higher annual DM and TDN yields (7.4 and 4.1 ton/ha) than those of P+K fertilization (7.2 and 3.9 ton/ha) as a chemical fertilizer and non-fertilizer (5.5 and 3.1 ton/ha). Cattle slurry application plot revealed 75.52 and 78.97% of N+P+K fertilization plot for annual DM and TDN, respectively. Within mixed-sowing cultivation with rye and hairy vetch, completely cattle slurry application produced 7.6 ton/ha DM and 4.5 ton/ha TDN, showing 79.50 and 86.77% of N+P+K fertilization plot, respectively. Furthermore, the CP content for cattle slurry plots was 8.5%, which was significantly (p<0.05) higher than those of other plots, and it was also highest in TDN (58.3%) and RFV (86). Overall, rye mixed-sowing with hairy vetch rather than rye alone sowing reduced DM yields, but leaded to enhancement of feed value and nutritive yields. And also, it would be expected that cattle slurry application in comparison with chemical fertilizers might result in reutilization of resources, improved forage quality and, extended harvest period by preventing feed value from rapidly deteriorating.
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