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http://dx.doi.org/10.5333/KGFS.2003.23.1.001

Effects Of Phosphate Application Rate on the Growth Characteristics, Yield and Feed Value of Whole Crop Azuki bean in Jeju Island  

Cho, Nam-Ki (Dept. of plant Resources Science, College of Agric. & Lige Sci., Cheju National University)
Kang, Young-Kil (Dept. of plant Resources Science, College of Agric. & Lige Sci., Cheju National University)
Song, Chang-Khil (Dept. of plant Resources Science, College of Agric. & Lige Sci., Cheju National University)
Kang, Yong-Chul (Dept. of plant Resources Science, College of Agric. & Lige Sci., Cheju National University)
Cho, Young-Il (College of Agric. & Lige Sci., Seoul National University)
Ko, Mi-Ra (Dept. of plant Resources Science, College of Agric. & Lige Sci., Cheju National University)
Publication Information
Journal of The Korean Society of Grassland and Forage Science / v.23, no.1, 2003 , pp. 1-6 More about this Journal
Abstract
This study was determined to the growth characteristic, yield and chemical content of Azuki bean(Vigna angularis W.F. $W_{IGHT}$) based on five phosphate rates (0, 40, 50, 120, 160, 200kg/ha) from May, 2002 to August, 2002 in Jeju province. Plant height was 80.7cm at 0kg/ha of phosphate level md, as phosphate rates were increased to 160kg/ha and 200kg/ha, lengthened 88.8cm and 88.9cm, respectively, but between the two phosphat levels were no significance(P＞0.05 or 0.0l). Numbs. of branches and leaves per plant, stem diameter, and weight of leaves and stems per plant were the same response with plant height. Fresh forage, dry matter, crude protein, and TDN(total digestible nutrient) yield at the control were 23.8MT/ha, 3MT/ha, 0.5MT/ha and 1.8MT/ha, respectively, at the 200kg/ha plot were 47.3MT/ha, 7.2MT/ha, 1.3MT/ha, and 4.7MT/ha, respectively, as phosphate rate was increased. As phosphate rate increased from 0kg/ha to 200kg/ha, the content of crude protein, crude fat NFE(nitrogen free extract) and TDN increased 15.2%~18.6%, 3.4%~4.5%, 41.4%~45.5% and 58.3%~65.5%, respectively, whereas the content of crude fiber and crude ash were decreased 31.5%~24.8% and 8.1%~6.6%, respectively.
Keywords
Azuki bean; Phosphate application rate, Growth characters; Yield; Feed value;
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