Effect of mineral fertilizers on crop quality and yield in long-term stationary experiment in the climatic conditions of the Cis-Urals
Submitted by Гость (not verified) on Tue, 07/09/2024 - 16:45A stationary field experiment carried out in 1978 on sod-podzolic heavy loamy soil (Eutric Albic Retisols (Abruptic, Loamic, Cutanic)) found that the application of mineral fertilizers in increasing doses led to acidification of the soil by the end of the fifth crop rotation in the arable layer with pH 5.6 when laying the experiment to pH 4.5 in the (NPK) 150 variant. The use of NPK at 90-150 kg ai/ha contributed to the preservation of the initial humus level, an increase in the content of mobile phosphorus to 452 and exchangeable potassium to 403 mg/kg.