This is my room

This 7 x 14 room is all mine. I have my bed, my desk, my computer, my satellite hook-up and just about everything else in it. Notice my Jalapeno Pepper Plants outside my window. The problem is that the blossoms keep dropping off without forming any peppers. HELP If anyone know what to do please let me know. I heard that Blossom Set Spray was good but of course we do not have any here in Haiti.