questions: asking about fertilizer dose of orange 
 answers: time of planting-november-december

recommended fertilizer dose-

1st year/plant- 5 kg fym,urea @ 150 gm,ssp @ 120 gm and mop @ 100 gm
2nd year/plant- 10 kg fym,urea @ 300 gm,ssp @ 240 gm and mop @ 200 gm
3rd year/plant- 15 kg fym,urea @ 450 gm,ssp @ 360 gm and mop @ 300 gm
5th year /plant- 20 kg fym,urea @ 600 gm,ssp @ 480 gm and mop @ 400 gm
6th year and above- 25 kg fym,urea @ 600 gm,ssp @ 300 gm and mop @ 600 gm

manures and fertilizers should be applied in two split doses- feb/march and sept/october

foliar application of micronutrient- zinc, boron, and molybdenum is very effective . spray thrice in feb-march, june-july and sept-oct