أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Urea is a chemical fertilizer that contains46% nitrogen as well as essential for plant growth and development. But excess application creates hazard for plant body. This poisonous fertilizer also uses in milling for whitening rice that is very much harmful for human body. We should not do that practice.