References
- AOAC, 1995. Association of Official Analytical Chemists, Official Methods of Analysis. 15th Edition. Washington, DC.
- Bendig, J., A. Bolten, S. Bennertz, J. Broscheit, S. Eichfuss, and G. Bareth. 2014. Estimating biomass of barley using crop surface models (CSMs) derived from UAV-based RGB imaging. Remote Sens. 6(11):10395-10412. https://doi.org/10.3390/rs61110395
- Candiago, S., F. Remondino, M.D. Giglio, M. Dubbini, and M. Gattelli. 2015. Evaluating multispectral images and vegetation indices for precision farming applications from UAV images. Remote Sens. 7:4026-4047. https://doi.org/10.3390/rs70404026
- Goering, H.K. and P.J. Van Soest. 1970. Forage Fiber Analysis. Agric. Handbook 379. US Department of Agriculture, Washington, DC.
- Holland, C., W. Kezar, W.P. Kautz, E.J. Lazowski, W.C. Mahanna, and R. Reinhart. 1990. The pioneer forage manual-A nutritional guide. Pioneer Hi-Bred International, Inc., Des Moines, Iowa, USA.
- Hunt, E.R., W.D. Hively, S.J. Fujikawa, D.S. Linden, C.S. Daughtry, and G.W. McCarty. 2010. Acquisition of NIR-green-blue digital photographs from unmanned aircraft for crop monitoring. Remote Sens. 2(1):290-305. https://doi.org/10.3390/rs2010290
- Kim, H.C. and H.C. Shin. 2012. The study for software future forecasting failure time using curve regression analysis. J. Inform. Security. 12(3):115-121.
- Kim, Y.J., J.S. Jung and K.C. Choi. 2016. Effect of different fertilizer levels, split application rate, and seeding methods on dry matter yield and forage quality of italian ryegrass in early spring on paddy field. J. Korean Soc. Grassl. Forage. Sci. 36(4):303-308. https://doi.org/10.5333/KGFS.2016.36.4.303
- Ko, Y.W., G.H. Sung, and J.H. Kim. 2008. Estimation for seaweed biomass using regression: A Methodological Approach, Algae, 23(4):289-294 (in Korean). https://doi.org/10.4490/ALGAE.2008.23.4.289
- Korea Meteorological Administration Homepage. http://www.kma.go.kr/ Accessed 17 Jul. 2017.
- Metson, A.J., E.J. Gibson, J.L. Hunt, and W.M.H. Saunders. 1979. Seasonal variations in chemical composition of pasture, New Zealand. J. Agric. Res. 22(2):309-318.
- Na, S.I., C.W. Park, and K.D. Lee, 2016a. Application of highland kimchi cabbage status map for growth monitoring based on unmanned aerial vehicle. Korean J. Soil Sci. Fert. 49(5):469-479 (in Korean with English abstract). https://doi.org/10.7745/KJSSF.2016.49.5.469
- Na, S.I., C.W. Park, Y.K. Cheong, C.S. Kang, I.B. Choi, and K.D. Lee. 2016b. Selection of optimal vegetation indices for estimation of barley & wheat growth based on remote sensing - An application of unmanned aerial vehicle and field investigation data. Korean J. Remote Sens. 32(5):483-497 (in Korean with English abstract). https://doi.org/10.7780/kjrs.2016.32.5.7
- Na, S.I., C.W. Park, Y.J. Kim, and K.D. Lee. 2016c. Mapping the spatial distribution of IRG growth based on UAV. Korean J. Soil Sci. Fert. 49(5):495-502 (in Korean with English abstract). https://doi.org/10.7745/KJSSF.2016.49.5.495
- Na, S.I., S.Y. Hong, C.W. Park, K.D. Kim, and K.D. Lee. 2016d. Estimation of highland kimchi cabbage growth using UAV NDVI and agro-meteorological factors. Korean J. Soil Sci. Fert. 49(5):420-428 (in Korean with English abstract). https://doi.org/10.7745/KJSSF.2016.49.5.420
- National Institute of Animal Science (NIAS), Rural Development Administration (RDA). 2015. Forage cultivation 100 questions 100 answered. p. 23.
- Park, G.J., J.S. Shin, P.S. Lee, and J.Y. Lee. 1988. Studies on application of silicate fertilizer on grassland. Korean J. Animal Sci. 30(4):264-268 (in Korean with English abstract).
- Park, H.S., S.H. Lee, K.C. Choi, Y.C. Lim, J.G. Kim, K.C. Jo, and G.J. Choi. 2012. Evaluation of the quality of italian ryegrass silages by near infrared spectroscopy. J. Korean Soc. Grassl. Forage. Sci. 32(3):301-308 (in Korean with English abstract). https://doi.org/10.5333/KGFS.2012.32.3.301
- Tilly, N., D. Hoffmeister, H. Liang, Q. Cao, Y. Liu, V. Lenz-Wiedemann, and G. Bareth. 2012. Evaluation of terrestrial laser scanning for rice growth monitoring. Int. Arch. Photogramm. Remote Sens. Spat. Inf. Sci, 39, B7.
- Tisdale, S.L., W.L. Nelson, and J.D. Beaton. 1984. Soil fertility and fertilizers. Macmillan Pub., Com., New York. 90-91.