We offer best quality Boron which helps in protection of corps. For best results, crops should have sufficient supply of water and other major fertilizers. Spray of Zealbor should be carried out during morning hours or during late afternoon hours. Do not spray Zealbor during strong sunshine and if rainfall is expected within 4 hours of spray. If rain falls within 4 to 5 hours of spray, crops should be re-sprayed 3 or 4 days later.