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http://dx.doi.org/10.5333/KGFS.2006.26.4.227

Effect of Liquid Manure Source, Application Rate and Time on Agronomic Characteristics and Forage Yield of Winter Rye  

Park, Jin-Gil (Cheonan Yonam College)
Kim, Jong-Duk (Cheonan Yonam College)
Kwon, Chan-Ho (Cheonan Yonam College)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.26, no.4, 2006 , pp. 227-232 More about this Journal
Abstract
This experiment was conducted to evaluate the effect of liquid manure source, application rate and time on the agronomic characteristics and forage yield of winter rye. The experimental design was a randomized complete block design. The treatments were : CFB150=chemical fertilizer(CF) 150 N as basal, CFS150=CF 150 N as split application (75+75), SLB150=swine liquid (SL) 150 N as basal, SLS150=SL 150 N as split application (75+75), SLB300=SL 300 N as basal, SLS150=SL 300 N as split application(150+150), CLB150=cattle liquid (CL) 150 N as basal, CLS150=CL 150 N as split awlication(75+75), CLB300=CL 300 N as basal, CLS150=CL 300 N as split application(150+150). Heading date of the plant was observed on the 17th of April fur both chemical fertilizer and swine liquid, and on the 16th of April for cattle liquid. Stay green of chemical fertilizer was higher than others because of high crude protein content. Leaf was darker in high nitrogen fertilizer treatments than low N treatments. However lodging resistance was poor as nitrogen fertilizer was increased. Dry matter (DM) content of rye at chemical fertilizer was lower than liquid manure. DM yield of chemical fertilizer treatments were highest among the fertilizer source. However, DM yield of rye with application was all most same at different N application methods. The crude protein (CP) content and yield for chemical fertilizer was significantly higher than liquid manure. CP yield using split application was higher by 16% and 28%, compared to basal application. Based on the results of this study, forage production of liquid manure was lower, compared to chemical fertilizer. And split application was superior to basal application forage and protein yields, and high protein.
Keywords
Chemical fertilizer; Swine liquid; Cattle liquid; DM yield; Crude protein;
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Times Cited By KSCI : 1  (Citation Analysis)
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