Master’s thesis at the College of Agriculture, University of Karbala, discussing the effect of spraying with NPK and humic acid on the growth of sunflower yield

A master’s thesis at the College of Agriculture at Karbala University examined the effect of spraying with NPK and humic acid on the growth of sunflower yield. The thesis entitled (The Effect of Spraying with Nutrients (20:20:20) and Humic Dubalic Acid on the Growth of Sunflower Yield) by Hazem Kazem Read more