TY - JOUR T1 - Effects of a natural Illite-based mineral amendment on soil fertility, plant growth, yield and fruit quality of tomato under organic production conditions in southeastern Kazakhstan JO - Eurasian Journal of Soil Science VL - 15 IS - 3 SP , EP - 444-456 KW - Keywords: Dark chestnut soil, illite-based amendment, nutrient availability, tomato yield, fruit quality. SN - 2147-4249 DO - 10.18393/ejss.1962124 PY - 2026 PB - Federation of Eurasian Soil Science Societies ER -