AGROCHEMICAL PROPERTIES AND HUMUS RESERVES OF IRRIGATED SOILS OF GIJDUVAN DISTRICT

This article presents data on the evolution of irrigated meadow and meadow takyr soils, humus reserves in Gijduvan district of Bukhara region. In 1984, the humus content in the arable layer of irrigated meadow soils was 1.14% with a reserve of 38.8 t/ha. In 2022, the humus content was 1.12% with a reserve of 43.5 t/ha. In 1984, the humus content in meadow takyr soils was 0.85%, reserves-23.6 t/ha, in 2022 the humus content was 0.82%, reserves-27.9 t/ha. Over 38 years, humus reserves in meadow soils increased by 4.7 t/ha, and in meadow-barren soils - by 4.3 t/ha.

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