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http://dx.doi.org/10.5333/KGFS.2007.27.1.001

Effect of Growth Stage and Variety on the Yield and Quality of Whole Crop Rice  

Kim, Jong-Geun (National Livestock Research Institute, RDA)
Chung, Eui-Soo (National Livestock Research Institute, RDA)
Ham, Jun-Sang (National Livestock Research Institute, RDA)
Seo, Sung (National Livestock Research Institute, RDA)
Kim, Meing-Joong (National Livestock Research Institute, RDA)
Yoon, Sei-Hyung (National Livestock Research Institute, RDA)
Lim, Young-Chul (National Livestock Research Institute, RDA)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.27, no.1, 2007 , pp. 1-8 More about this Journal
Abstract
This experiment was conducted to determine the effect of growth stage and variety on the yield and quality of whole crop rice (WCR) at National Livestock Research Institute, RDA from 2003 to 2005. Two types of rice ("Chucheong" for food and "Hamasari" for feed) were harvested at six different growth stages (heading, flowering, milk, dough, yellow ripening and fully ripening stage). Crude protein content decreased with progressed maturity at harvest. As growth stage delayed, TDN (total digestible nutrient) content of all rice varieties increased. The average TDN content of two type of rice was about 60% (59.3) which was calculated from ADF(acid detergent fiber) content. The contents of ADF and NDF(neutral detergent fiber) decreased with harvest maturity. The highest DM(dry matter) yield was at the ripening stage (p<0.05) and "Chucheong" gave higher yields than for "Hamasari". In this experiment, the DM yield of all varieties was low. The yield of TDN followed a similar trend to DM yield. According to this results that dough to yellow ripening stage of harvest maturity will be recommendable as proper harvest time for whole crop rice silage.
Keywords
Whole crop rice; Quality; Yield; TDN; Variety;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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