Question: package of practice in pineapple
Answer: fym 40-50 t/ha, n 16 g, p 4 g and k 12 g/plant in two equal splits at 6th and 12th month after planting. apply as foliar spray- 0.5% - 1.0 % sulphate of zinc and ferrous solutions at 15 days interval to overcome the deficiencies 

aftercultivation
to have uniform flowering apply naa 10 ppm + 2 % urea (20 g in 1 lit of water) at 50 ml/plant poured into crown, or 2 % urea + 0.04 % sodium carbonate + 20 ppm ethephon (ethrel) at 50 ml/plant poured into the crown the when the crop attains 35 – 40 leaf stage. to increase the size of the fruit, 200 – 300 ppm naa should be sprayed after fruit formation. to avoid calcium induced iron chlorosis adequate shade should be given.