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Turfgrass quality changes of creeping bentgrass (Agrostis palustris L.) by applying slow-release nitrogen compound fertilizers

Year: 2025
Type: article
Abstract: This study evaluated the effect of applying slow-release nitrogen compound fertilizer on the growth and quality of creeping bentgrass (Agrostis palustris L.).The treatments were as follows: no fertilizer (NF), control (straight compound fertilizer for 3 g N•m -2 •month -1 ), slow-releasing methylene urea (MU for 3 g N•m -2 •month -1 ), and slow-releasing isobutylidene diurea (IBDU for 3 g N•m -2 •month -1 ).The soil chemical properties, electrical conductivity (EC), organic matter (OM), total nitrogen (T-N), available phosphate (Av.P 2 O 5 ) , and exchangeable potassium (Ex.K), were increased after applying MU and IBDU.Compared to NF, chlorophyll indexes of MU and IBUD in June were increased by 14.4% and 14.9%, and in September by 20.4% and 17.3%.However, compared with the control, there were no significant differences.Although the average shoot lengths of MU and IBDU were higher than those of NF, they were not significantly different from those of the control.The shoot density and root length of the MU and IBDU treatments were not significantly different from those of the control, inferring that longterm performances need to be further investigated for the detailed effects of the straight or slow-releasing fertilizer following the current season's evaluation.
DOI: 10.7744/kjoas.520313
Authors: Jeong-Ho Lee, Ji-Hye Kang, Kyung-Mok Lee, Doungyeob Kim, Young-Sun Kim, Geung-Joo Lee
Language: English
Open Access status: hybrid
OpenAlex ID: W4414102827
FWCI:
Cites: 8
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Related to: 10