Volume 1 – Issue 3 (2020) Original Article Effect of potassium and micronutrient fertilization on the activity of catalase and yield of wheat grown in saline conditions Amal Al-Temimi, Saadi Al-Ghrairi, Fadhil Al-Ghrairi, Ibrahim Razaq 81–87 Download PDF doi 10.30493/das.2020.239977 Original Article Effect of soil mulch, phosphorus levels and humic acid spray on the growth and green pods yield of broad bean Ali H Jasim, Kareem A. H. Alghrebawi 88–95 Download PDF doi 10.30493/das.2020.241168 Original Article Effect of different concentrations of BA on the shoot multiplication of tulip (Tulipa gesneriana L. cv. Arma) buds by in vitro culture Majid Ibrahim, Israa A. Draaj 96–100 Download PDF doi 10.30493/das.2020.240387