Effects of Seeding and Organic Fertilizer Rates and Harvest time on Kenaf Yield and Feed Value
2018
Nam, C.H., Jeollanamdo Agricultural Research and Extension Services, Kangjin, Republic of Korea | Kim, K.S., Jeollanamdo Agricultural Research and Extension Services, Kangjin, Republic of Korea | Park, M.H., Jeollanamdo Agricultural Research and Extension Services, Kangjin, Republic of Korea | Kim, W.H., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Ji, H.J., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Choi, K.C., National Institute of Animal Science, RDA, Cheonan, Republic of Korea | Sun, S.S., National Institute of Animal Science, RDA, Cheonan, Republic of Korea
This study was conducted in 2014 in the Gangjin area of Jeonnam province for the purpose of confirming the potential of Kenaf as an alternative feed crop of rice. The weather and soil conditions were favorable and there was no adverse effect on the growth of Kenaf. The amount of seeding was given at 10 kg, 15 kg and 20 kg. As the seeding volume increased, plant height and dry matter yield increased, and stem diameter and number of nodes decreased. The highest growth rate was observed between 75 and 90 days from the date of planting(p less than 0.05). As the growth progressed, stem rate increased and leaf rate decreased(p less than 0.05). Increased amount of seeding and growth resulted in decreased CP and TDN and increased ADF and NDF, which resulted in the decreased economic value of Kenaf as a feed crop. The result of increasing the use of organic fertilizer to 20 kg and 30 kg was similar to increasing the amount of seeding. As organic fertilizer usage increased, dry matter yield and growth rate improved(p less than 0.05).
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