Effect of soil and foliar application of humic acid on productivity of grain sorghum (sorghum bicolcr l moench) grown in calcareous soil under different levels of phosphate fertilizer
By: Abd al-Sami, Fawzi Sayyid; Mugauer, Ikram Ali; al-Rifai, Ahmad Abd al-Azim…[et al.]. Fayoum Journal of Agricultural Research and Development. Vol. 35, no. 3 (2021), pp.557-574, 18 p.
Subjects: Agriculture; Field experiments; Liquid fertilizers; Phosphatic fertilizers; plants' leaves