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ibtihal-arar-31577645
Question added by ibtihal arar, , - 9 years ago

ما هي انواع البكتيريا في التربة ؟ وما هي تأثير المبيدات الكيميائية على هذه البكتيريا ؟

Soil

Soil Sampling

Soil Science

Chemicals

Fine Chemicals

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