Tastanbekova G 1

1. Effect of foliar-applied humic acid-based fertilizers on potato (Solanum tuberosum L.) yield, tuber quality, and nutrient uptake efficiency, with implications for sustainable fertilization
2. Effect of nitrogen and sulfur combinations on spring wheat (Triticum aestivum) growth, yield, and soil nutrient availability in a greenhouse experiment
3. Comparative agrochemical assessment of cultivated soils in East Kazakhstan: Implications for site-specific fertility management
4. Enhanced tomato (Solanum lycopersicum L.) yield and soil biological properties through integrated use of soil, compost, and foliar fertilization under greenhouse conditions
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