questions: telling that he has 4 numbers of coconut trees and one among them is of 11 years of age. the flower and immature nut of that particular tree gets drop. asking the preventive measure for the same. 
 answers: suggested mr. bora to apply 1.5, 2.5 & 1.75 kilogram of urea, single super phosphate, muriate of potash respectively along with 25 gram of borax per tree. these suggested should have to be applied equally twice in a year in trench method. one part in march-april and the other part in september-october. also suggested to spray planiofix @ 1 teaspoon per 15 litres of water on the flowering portion.