Basic fertilization, top dressed nitrogen, plant population and pruning on the yield of tomato plants

Abstract

Four factors were studied in tomato plants behaviour: a. basic fertilization: 400-600-450 kg/ha and 400-1200-900 kg/ha N, P, K nutrients respectively, for level 1 and 2 of fertilization; b. with or without 200 kg/ha of top dressed Nitrogen; c. two levels of plant population; 20.000 plants/ ha (1.00 m x 0.50 m spacing) and 41.667 plants/ha 0,80 m x 0,30 m spacing; and d. plant breeding system: with or without pruning. High plant density (41.667 plants/ha), and no pruning, isolatedly, were significant and produced the best effect in commercial production of fruits. The interaction between the two factors increased the production of Extra 2A fruits significantly, in metric ton/ha and number of fruits.