نتيجة لكل هذه الآثار السيئة للاستخدام غير المرشد للأسمدة الكيماوية فقد اتجهت اهتمامات كثير من الدول في الآونة الأخيرة نحو البحث عن بدائل طبيعية للأسمدة الكيماوية بهدف الحد من تلوث البيئة وتقليل تكاليف الإنتاج الزراعي، وفي نفس الوقت إنتاج غذاء صحي آمن ، ومن بين هذه البدائل المطروحة استخدام ما يعرف بالأسمدة (المخصبات) الحيوية Biofertilizers.
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