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1. MINERAL FERTILIZERS IMPACT ON SUGAR BEET PRODUCTIVITY IN SOUTHEAST KAZAKHSTAN
2. NITROGEN NUTRITION OF CROP PLANTS IN THE PRECISION FARMING SYSTEM IN THE SOUTH AND SOUTHEAST KAZAKHSTAN
3. STATE AND PROSPECTS OF MINERAL FERTILIZERS USE IN AGRICULTURE OF KAZAKHSTAN
4. NITROGEN FERTILIZERS ROLE IN GRAIN CROPS PRODUCTIVITY IN SOUTH-EAST KAZAKHSTAN
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