Abstract:The research was carried out in order to determine the biological effectiveness of organomineral fertilizer of Aminovella on sunflower crops in the soil and climatic conditions of the Republic of Tatarstan. Field experiments were conducted in 2020-2021. The soil of the experimental site is typical gray forest, the content of humus (according to Tyurin) is 3.0%, mobile phosphorus and potassium (according to Kirsanov) is 160 mg/kg and 145 mg/kg of soil, respectively. The reaction of the soil solution is close to… Show more
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