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http://dx.doi.org/10.5333/KGFS.2020.40.2.87

Impact of Different Environmental Conditions and Management Techniques on Productivity of Grassland in Central and Southern Area of Korea  

Choi, Gi Jun (National Institute of Animal Science, RDA)
Jung, Jeong Sung (National Institute of Animal Science, RDA)
Choi, Ki Choon (National Institute of Animal Science, RDA)
Hwang, Tae Young (Rural Development Administration)
Kim, Ji Hye (National Institute of Animal Science, RDA)
Kim, Won Ho (National Institute of Animal Science, RDA)
Lee, Eun Ja (National Institute of Animal Science, RDA)
Sung, Kyung Il (Dept. of Animal Life Science, Kangwon National University)
Lee, Ki-Won (National Institute of Animal Science, RDA)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.40, no.2, 2020 , pp. 87-97 More about this Journal
Abstract
This experiment was carried out to study the effects of different environmental conditions and cultivation techniques on productivity of grasslands in central and southern area of Korea on 2017 and 2018. Average dry matter yield of grasslands at 10 actual production sites was 7,496 kg/ha. that was ranged from 4,652 to 13,292 kg/ha with least significant difference(LSD) of 1,577kg/ha between grasslands (p<0.05) on 2017. Average dry matter yield of grasslands at 10 actual production sites was 7,914 kg/ha. that was ranged from 3,927 to 12,372 kg/ha with LSD of 1,577kg/ha between grasslands(p<0.05) on 2018. Dry matter(DM) yield of grasslands have positive correlation with soil fertility (p<0.01) but not correlated with rainfall and air temperature among cultivation environments. And also DM yield of grasslands have positive correlation with grassland management techniques(p<0.01). These results suggest that practices of grassland management techniques and improvement of soil fertility are more important than cultivation environments by climate change for increasing the DM yield of grassland in central and southern area of Korea.
Keywords
Grassland; Cultivation environment; Cultivation technique;
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