NITROGEN FERTILIZATION ON GROWTH AND YIELD OF GLADIOLUS IN AN OXISOL FROM SAVANNAH

Abstract

ABSTRACT: The objective of the present study was to evaluate the nitrogen fertilization on the yield characteristics of Gladiolus, species Gladiolus x grandiflorus L., variety White friendship. The experiment was conducted in a greenhouse in the period from July to September 2011 in the Institute of Agrarian Science and Technology of Federal University of Rondonópolis, MT. The experimental plots were consisted of vessels of 13 dm-3 containing two bulbs in completely randomized design. Treatments consisted of six nitrogen rates of 0; 25; 50; 75; 100; 125 mg dm-3 and four repetition using urea as source. It was evaluated the plant height, stem diameter, flower stem length and number of flowers of gladiolus. After carrying out the statistical analysis it was concluded that the nitrogen did not affect the productive evaluated characters of gladiolus.   KEY-WORDS: Gladiolus x grandiflorus L., nitrogen, plant nutrition.