Impact of organic, biological and mineral fertilizations on the mineral content of potato sprouts and tubers planted in gypsum soils

The study was carried out during the 2021 spring planting season at the Fallujah palm station belonging to the Department of Horticulture, the Ministry of Agriculture, in gypsum soil to study the Impact of organic Fertilization and inoculation with P.sudomonas bacteria, Trichoderma harzanium and Mineral fertilization on the growth and yield of potatoes of Burren variety, Experiment included three factors. The addition of fertilization recommendation by 100% ( M100) led to a significant increase in the content of major nutrients (N, P, K) in the vegetative part, which amounted to 1.35, 0.25 and 1.42 percent, respectively, and in the tubers which amounted to 1.22, 0.21 and 1.28%, respectively. And the starch in the tubers reached 12.89 g. plant-1, while adding half of the Fertilization recommendation (M50) gave the lowest rates for the traits mentioned earlier. The double and triple interactions gave significant results in growth characteristics, yield and mineral content.
 
Keywords: Potatoes, Organic fertilization, Bio-fertilizations, Mineral fertilization, yield.