The Effect of Adding Soil Amendments on Some Soil Physical Properties and the Growth of Sunflower Crop in Clay Soil. University of Thi-Qar Journal of agricultural research, [S. l.], v. 12, n. 2, p. 257–268, 2023. DOI: 10.54174/utjagr.v12i2.306. Disponível em: https://jam.utq.edu.iq/index.php/main/article/view/306.. Acesso em: 18 may. 2024.