INDRIYATI, Lilik Tri; PURWAKUSUMA, Wahyu; ICHWANI, Septi. 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. Jurnal Ilmu Tanah dan Lingkungan, [S. l.], v. 23, n. 2, p. 72–77, 2021. DOI: 10.29244/jitl.23.2.72-77. Disponível em: https://journal.ipb.ac.id/jtanah/article/view/37043. Acesso em: 24 mar. 2026.