N.A. Rodin, T.N. Ivanova
Center of Agrochemical Service “Bashkirskii”, ul. Rikharda Zorge, 19/1, Ufa, Russian Federation
Abstract. The article presents the results of agro-ecological monitoring (I–VIII cycles) of leached chernozem and gray forest soils of arable lands, carried out in 30 administrative regions of the Republic of Bashkortostan in the inspection zone of FGBU “Center of Agrochemical Service “Bashkirsky”. The area with low content of humus increased by 21.3 % from the third to the eighth cycle. Leached chernozem in the inspection zone of the center is referred to the low-humic group, and gray forest soil is referred to the middle humic group. According to the level of nutrients, the leached chernozem is characterized by the increased and high content of phosphorus potassium, respectively, and the gray forest soil – by the low and middle content. The surveyed soil has the close to neutral and subacid reaction of the soil solution, which confirms the need for lime application. The application of organic fertilizers averaged 1.2–1.4 t/ha, of mineral fertilizers – 13.9–15.6 kg/ha over the inspection zone of inspection of Center of Agrochemical Service “Bashkirsky” in 2012-2015. Over the last 10 years, the decrease in humus reserves was 0.1–0.2 %, over the last 20 years – 0.3–0.4 %. As a result of mineralization and erosive processes depending on the soil type and the degree of plowness annual losses of organic matter in arable soils are from 0.33 t/ha in typical chernozems to 0.6 t/ha in gray forest soils and ordinary chernozems.
Keywords: soil fertility, mobile phosphorus, acidity, humus, trace elements, heavy metals.
Author Details: N.A. Rodin, director; T.N. Ivanova, head of division (e-mail:Этот адрес электронной почты защищён от спам-ботов. У вас должен быть включен JavaScript для просмотра.).
For citation: Rodin N.A., Ivanova T.N. Dynamics of Indicators of Soil Fertility According to the Results of Agrochemical Monitoring. Dostizheniya nauki i tekhniki APK. 2017. Vol. 31. No. 5. Pp. 9-12 (in Russ.).