E3S Web Conf.
Volume 244, 2021XXII International Scientific Conference Energy Management of Municipal Facilities and Sustainable Energy Technologies (EMMFT-2020)
|Number of page(s)||8|
|Section||Resilience and Environmental Engineering|
|Published online||19 March 2021|
Agrochemical condition and nutrition balance of newly irrigated light gray soils of Uzbekistan
1 Research Institute of Soil Science and Agrochemistry, Kamarniso str., Tashkent, Uzbekistan
2 Tashkent State Agrarian University, University str., 2, Tashkent province, Uzbekistan, 100140
* Corresponding author: email@example.com
This paper notes the geographical location, soil and climatic conditions, geomorphological and geological structure of Jizzakh province, as well as the agrochemical status of newly irrigated light gray soils formed in Arnasay district of the province, nutrients and their balance in the autumn glaciers. According to the results of chemical analysis, it was found that the mechanical composition of the studied soils consists of light sandy and loamy soils, in which fine sand particles (0.5-0.05%) predominate. The study showed that in the driving layers of newly irrigated light gray soils, humus was present at 0.823-0.936%, total nitrogen at 0.059-0.084%, total phosphorus at 0.096-0.135%, and total potassium at 1.05-1.36%, humus and mobile nutrients. It was noted that they belong to very low and low-income groups according to their level. The amount of mineral and local fertilizers applied to winter wheat, the residues of winter wheat and the amount of crop and stem (straw) grown in relation to the amounts that fall into the soil by natural means is high (N-15.1 kg/ha, P-3, 6 kg/ha, K-34.4 kg/ha).
© The Authors, published by EDP Sciences, 2021
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