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Indriyati LT, Purwakusuma W, Ichwani S. Resistance of Sunflower (Helianthus annuus L.) on Water Stress by Application of Hydrogel and Watering Time in Regosol : Ketahanan Tanaman Bunga Matahari (Helianthus annuus L.) terhadap Cekaman Air dengan Aplikasi Hidrogel dan Waktu Penyiraman pada Regosol. J. Il. Tan. Lingk. [Internet]. 2021 Oct. 1 [cited 2025 Dec. 24];23(2):72-7. Available from: https://journal.ipb.ac.id/jtanah/article/view/37043