Study on Forage Cropping System Adapted to Soil Characteristics in Reclaimed Tidal Land

Yang, Chang-Hyu; Lee, Janghee; Kim, Sun; Jeong, Jae-Hyeok; Baek, Nam-Hyun; Choi, Weon-Young; Lee, Sang-Bok; Kim, Young-Doo; Kim, Si-Ju; Lee, Gyeong-Bo

doi:10.7745/kjssf.2012.45.3.385

Cited by 13 publications

(7 citation statements)

References 8 publications

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“…이는 연구지역 토양의 총질소, 유기물 함량, 유효인산, CEC는 각각 0.5 g kg -1 , 4.9 g kg -1 , 26.7 mg kg -1 , 5.6 cmol c kg -1 으로, 일반 농경지 이탈리안 라이그라스와 톨 페스큐 재배 토양 의 양분 유효도 (총질소, 유기물 함량, 유효인산, CEC 각각 1.4 g kg -1 , 20.1 g kg -1 , 300.9 mg kg -1 , 16.4 cmol c kg -1 )에 비해 현저하게 낮았기 때문으로 판단된다. 이탈리안 라이그라스의 경우 토양 염농도가 증가할수록 수확량이 감소하 는 경향을 보였지만, EC 3.4 dS m -1 에서 건물중 6.7 Mg ha -1 (Shin et al, 2005), EC 0.2 -2.8 dS m -1 에서 건물중 9.4 Mg ha -1 (Yang et al, 2012), 본 연구에서는 토양 EC가 0.5 dS m -1 이하였음에도 수확량이 선행연구에 비해 낮았다.…”

Section: Resultsunclassified

“…또한 토양 양분 유효도는 선행연구의 경우 총질소, 유기물 함량, 유효인산이 각각 0.46 g kg -1 , 0.82 g kg -1 , 76 mg kg -1 (Shin et al, 2005), 0.2 g kg -1 , 3.9 g kg -1 , 9 mg kg -1 (Yang et al, 2012) 12일-13일 측정된 농도는 PM 2.5이 1.6 -24.7 µg m -3 , PM 10이 1.6 -23.6 µg m -3 (Fig. 5)로 나타났으며, 5월 20일-21 일 측정된 농도는 PM 2.5이 1.1 -7.0 µg m -3 , PM 10이 1.2 -7.0 µg m -3 로 나타났다 (Fig.…”

Section: Resultsunclassified

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Winter Forage Crops Reduced Fine Dust in Saemangeum Reclaimed Tideland during High Concentration of Fine Dust Season

Kwak¹,

Yun²,

Choi

et al. 2021

Korean J. Soil. Sci. Fert.

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In South Korea, the concentration of fine dust is highest in spring, when the consumption of fossil fuels for heating and power generation is high, and thus efforts to reduce it are underway nationally. Cultivation of forage crops in the Saemangeum reclaimed land can not only increase the income of farmers and decrease the cost for forage, but also reduce the concentration of fine dust. Cultivating forage crops increases the adsorption of fine dust and reduce the generation of scattering dust by stabilizing the soil. However, there is no study on the effects of winter crop cultivation on fine dust in reclaimed land. Therefore, this study evaluated the effects of cultivation of winter crops (forage crops and grassland crops) on fine dust reduction during the high-concentration season (spring). Tall fescue (TF) and Italian ryegrass (IRG), which have evaluated to have excellent adaptation in reclaimed land, were sown in October 2019, and fine dust concentration was measured at 1 m and 2 m above ground in April to June 2020. The concentration of fine dust in the early stage of crop growth (April) was not affected by the treatment and the measured height. However, on May 12 -13, the period when crops are growing vigorously, and May 20 -21, just before harvest, the concentration of fine dust decreased at all measurement times by IRG at a measurement height of 1 m. However, there was no effect of reducing the concentration of fine dust by the TF. This is thought to be because the IRG leaf area is wider than the TF and the concentration of fine dust has decreased due to the adsorption of fine dust to the IRG leaf. At a measurement height of 2 m, there was no difference in concentration regardless of the monitoring location, which means that there was an effect of reducing the concentration of fine dust by the crop only at the point close to the crop. In this study, the effect of cultivation of winter crops on reducing fine dust in Saemangeum reclaimed land was identified, and it is judged that the mechanism of fine dust reduction can be elucidated through analysis of components according to the treatment area after collecting fine dust.

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Section: Resultsunclassified

Winter Forage Crops Reduced Fine Dust in Saemangeum Reclaimed Tideland during High Concentration of Fine Dust Season

Kwak¹,

Yun²,

Choi

et al. 2021

Korean J. Soil. Sci. Fert.

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“…또한 동계사료작물은 지역 및 수확시기에 따라 조사료 의 생산성이 큰 차이 를 보이고 있기 때 문에 지역별 또는 농가단위별 생산성에 대한 추이분석이 어려운 실정이다. 특히 사료작물은 토양과 기후의 영향 (Choi et al, 2012;Yang et al, 2012;Yang et al, 2008 …”

Section: ⅰ 서 론unclassified

Comparison of Yields of Winter Forage Crops According to Regions of Korea

Lim¹,

Choi²,

Park³

et al. 2013

Journal of The Korean Society of Grassland and Forage Science

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We examined the use of basic forage data and indicators of forage productivity in different regions of Korea. The productivity of winter forage crops was evaluated from mid to late May 2012 by directly collecting information from farmhouses. A survey of winter forage crop productivity was conducted with 66 farmers in 16 regions; including, Italian ryegrass (IRG) from 22 farmers in 11 regions, whole crop barley from 21 farmers in eight regions, rye from 11 farmers in five regions, and IRG mixed with whole crop barley from 12 farmers in six regions. The results indicated that the Konju region exhibited higher yields of dry matter (DM) forage (15,128 kg/ha) and that the Dangjin region (reclaimed land) showed the lowest (3,885 kg/ha). The average yield of DM forage was 9,418 kg/ha. Yields of whole crop barley and IRG mixed with whole crop barley were comparatively higher than those of rye and IRG. We conclude that overall forage productivity was influenced by farmer's cultivation ability rather than the forage cultivation environment.

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“…TF가 10.1 Mg ha -1 , IRG가 13.7 Mg ha -1 으로 간척지에서 사료작물의 수확량이 낮음을 알 수 있다. 또 한 간척지에서 재배한 선행 연구에서는, 염농도가 0.22% (3.4 dS m -1 )인 토양에서 재배한 IRG의 건중량이 6.7 Mg ha -1 였고(Shin et al, 2005), 염농도가 0.2 -2.8 dS m -1 범위의 토양에서 재배한 IRG의 건중량이 9.4 Mg ha -1 였다(Yang et al, 2012). 본 연구에서 시험한 간척지는 토양 ECe가 0.5 dS m -1 이하이고, 염류 토양으로 분류되는 4 dS m -1 보다 크게 낮았음에도 (Table1), IRG 건중량 (6.43 -7.32 Mg ha -1 )은 비슷하거나 낮았다.…”

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Salt Removal from Soil by Winter and Spring Cultivation of Tall Fescue and Italian Ryegrass in Saemangeum Reclaimed Tidal Land

Yun¹,

Kwak²,

Choi

et al. 2021

Korean J. Soil. Sci. Fert.

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Creating grasslands and cultivating forage crops on reclaimed tidal land in winter and early spring can contribute to improving soil physicochemical properties, reducing fine dust, and increasing feed self-sufficiency. Ryegrasses that adapt well to reclaimed land include tall fescue (Festuca arundinacea Schreb.) and Italian ryegrass (Lolium multiflorum Lam.), which are a cool-season perennial and a winter annual, respectively. To evaluate the salt uptake by winter crops and the soil desalinization, tall fescue and Italian ryegrass were grown twice for 3 years on Saemangeum reclaimed tidal land. The nutrient uptake and dry matter yield of crops were low in reclaimed tidal land compared to inland agricultural land, reflecting the nutrient-poor condition of the reclaimed tidal land. The crops removed 6.4 -10.3 kg ha -1 , 9.8 -12.5 kg ha -1 , and 4.1 -12.2 kg ha -1 for Ca, Mg, and Na per winter cultivation, respectively. Soil salinity significantly (P < 0.05) decreased in Italian ryegrass cultivation plot compared with control and tall fescue cultivation plots, reflecting salt removal by Italian ryegrass which was higher in salt uptake than tall fescue. These results suggest that creating grassland and cultivating forage crops on reclaimed tidal land in winter and early spring can contribute to soil desalinization along with the supply of forage containing high concentrations of minerals.

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Study on Forage Cropping System Adapted to Soil Characteristics in Reclaimed Tidal Land

Cited by 13 publications

References 8 publications

Winter Forage Crops Reduced Fine Dust in Saemangeum Reclaimed Tideland during High Concentration of Fine Dust Season

Winter Forage Crops Reduced Fine Dust in Saemangeum Reclaimed Tideland during High Concentration of Fine Dust Season

Comparison of Yields of Winter Forage Crops According to Regions of Korea

Salt Removal from Soil by Winter and Spring Cultivation of Tall Fescue and Italian Ryegrass in Saemangeum Reclaimed Tidal Land

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