THE EFFECT OF APPLYING VARIOUS RATES OF COMPOST ON THE AMOUNT OF HARMFUL SALTS IN MODERATELY SALINE MEADOW-TAKIR SOILS
Keywords:
Salinization, agro-ore, bentonite compost, phosphorite compost, manure, compost, dry residue.Abstract
Saline soils are soils containing harmful salts that are readily soluble in water at more than 0.1% or with a dry residue in the aqueous extract of more than 0.25% (0.3%). Saline soils occupy large areas, primarily in countries with dry climates (Pakistan, India, China, USA, Central Asia, South America, Africa, Australia, and others). Based on the depth of the salt layer and the amount of salts in it, saline soils are divided into the following 5 groups: non-saline, slightly saline, moderately saline, strongly saline, and salt marshes. The soil in our experiment was moderately saline, and the composts we applied had a positive impact on reducing the amount of harmful salts. Applying compost at 13.0 t/ha once every 3 years under plowing and 2.0 t/ha of various composts during the growing season in the cultivation of fine-fiber cotton improved the soil's reclamation status and reduced chloride ions by 0.011%.
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