Not AvailableTo study the influence of different factors on guava production, Allahabad Safeda trees received sprays of ethephon, naphthalene acetic acid (ANA) and fertilization with various doses urea and potassium iodide (KI); these applications were renewed 2 weeks later, at the same time as a more or less severe size of the shoots of the year was carried out. Some of these treatments have caused a complete abscission of the leaves; others have resulted in the destruction of all flower buds and flowers. The harvests of guavas during the rainy season were then greatly reduced. In winter, trees that have been fertilized, urea at the 10% dose that were most productive (84.81 kg / guava plant); by comparison, the untreated control guava yiel...