questions: asking for the stages of fertilizer applications for the main field in case of arize- 6444 variety to cultivate as boro rice. 
 answers: basal application of 1.5, 12, 6.5 and 6.5 kilo grams of urea, dap, mop and zinc sulphate at the time of final land preparation has been replied. again at the age of 3 weeks after transplanting 6 kg of urea to be top dressed, at 6 weeks after transplanting 7 kg of urea to be top dressed and at 8 weeks after transplanting 4.5 kg of urea and 2.5 kg of mop are to be top dressed.