d1wvhegsi0wquf.cloudfront.net€¦ · Khaira disease in rice is due to deficiency of (l) Zinc (3)...
27
d1wvhegsi0wquf.cloudfront.net€¦ · Khaira disease in rice is due to deficiency of (l) Zinc (3) Iron (2) Copper (4) Manganese Essentiality criteria for classiffing elements as essential