Brazmbl, a perennial herbs, belonged to Lamiaceae family had wide applications in pharmaceuticals and cosmetics. To evaluate phosphate and nitrogen fertilizer levels on yields and essential oil of Brazmbl (Perovskia abrotanoides), a factorial experiment arranged as rand
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Brazmbl, a perennial herbs, belonged to Lamiaceae family had wide applications in pharmaceuticals and cosmetics. To evaluate phosphate and nitrogen fertilizer levels on yields and essential oil of Brazmbl (Perovskia abrotanoides), a factorial experiment arranged as randomized complete blocks design with three replicates was conducted in 1391 in Taft, Iran. Treatments were phosphate fertilizers at four levels( control, 100, 150, 200 kg ha-1 ) as triple super phosphate and four nitrogen fertilizer levels( control, 400, 300, 200 kg ha-1 ) as urea. Results showed that the highest vegetative yield (1770.78 Kg ha-1) and essential oil (17.65 Kg ha-1) were achieved by using 300 and 200 kg ha-1 nitrogen and phosphate, respectively. Application of 400 kg N ha-1 and 200 kg P ha-1 produced the highest leaf dry matter, floret branches and sub-branches. In addition, the proper fertilizer treatment for the highest vegetative yield and essential of brazmble was application of 300 Kg N ha-1 and 200 kg P ha-1.
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