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- 저자 : Umaiyal Munusamy (검색결과 1 건)
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Yasmeen Siddiqui,Umaiyal Munusamy,Yuvarani Naidu,Khairulmazmi Ahmad 한국원예학회 2020 Horticulture, Environment, and Biotechnology Vol.61 No.6
The eff ects of plant growth-promoting (PGP) compost, conventional fertilizer (NPK), and their combination on fresh anddry herb yield, nutrient uptake, total phenolic content (TPC), total fl avonoids (TF), and antioxidant activity (DPPH andFRAP) of Orthosiphon stamineus and Cosmos caudatus were determined. The highest values for each measured variableof O. stamineus and C. caudatus were obtained when both herbs were cultivated in soils supplemented with PGP compostand NPK at halved rates. Considering the eff ect of treatments on herb nutrient composition, a marginal but signifi cant risewas detected in macro- and micronutrient contents (N, P, K, Ca, Mg, Fe, Zn, and Mn) in both herbs grown in soils supplementedwith PGP compost and NPK. TPC ranged from 121–172.6 mg GAE g −1 DW, TF from 95.4–125.4 catechin CE g −1DW, FRAP from 42.2–58.3 mmol Fe 2+ equivalent g −1 DW, and DPPH from 185.1–279.4 μmol Trolox equivalent g −1 DWin O. stamineus . TPC, TF, DPPH, and FRAP activities in C. caudatus were 176.1 mg GAE g −1 FW, 152.49 catechin CE g −1FW, 174.86 μmol Trolox equivalent g −1 FW, and 154.68 mmol Fe 2+ equivalent g −1 FW, respectively. It is suggested thatthe usage of PGP compost in combination with NPK at halved rates can reduce the indiscriminate use of mineral fertilizersin greenhouse soil and that a combination treatment had better eff ects in terms of yields and phytochemical composition inboth of the herbs compared with conventional mineral fertilization and unfortifi ed or fortifi ed compost alone.
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