A composição química da goiabeira (Psidium guajava L.)

This paper deals with the mineral composition fresh and dry matter production of different organs of 4, 5 old guava (Psidium guajava L.) growth on sandy soil (Savanna) without fertilizer. The data obtained for fresh and dry matter productior are present in table 2 (in Portuguese). The concentration of the elements are presented in table 3 (in Portuguese). Finally, the total amounts of elements absorbed by guava are given in the following table: Element                   Plant (grams)                   Fruits (grams) Nitrogen (N)                   42,55 20,4 Phosphorus (P)                3,84                   2,3 Potassium (K)                 52,01          31,3 Calcium (Ca)                   47,81                   0,2 Magnesium (Mg)                — 2,4