Irrigation and Melioration


The paper devoted to importance of the humos acids in the irrigated soils Republic of Uzbekistan. The humic acid play and important role for agriculture because they do improve the soil structure. Fulvo acid formed during soil formation processes decrease the chemical absorptivity of soil. Humic and fulvo acids veat to CaCO3 in soils and will form humates and fulvates. The humatest of Calсium clue together the soil particles and a result of it waterproof soil aggregates will be formed.

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