questions: boron deficiency in coconut 
 answers: foliar spray of 0.2 % (2g in 1 lire of water) borax at the rate of 75 – 100 ml per seedling. spraying is commonly practiced when coconut palms are at the nursery stage. 1 year old – borax 5-10 g/plant per year 2-3 years old – borax 15- 20 g/plant per year 4 years old and more – borax 30 -50 g/plant per 2 years