questions: query regarding nutrient management of boro rice. 
 answers:  requirement for 1 bigha: urea 2 kg, dap 12 kg, mop 6.5 kg. 3 wks: urea 5.5 kg, 6 wk: urea 6.5 kg, 8 wks: urea 4.5 kg, mop 2 kg.