Author/Authors :
Faravani، Mahdi نويسنده Khorasan Agricultural Research Center, P.O.Box 91735-488, Mashhad, Iran , , Salari، Behjat نويسنده 1Khorasan Agricultural Research Center, P.O.Box 91735-488, Mashhad, Iran , , Heidari، Mostafa نويسنده Khorasan Agricultural Research Center, P.O.Box 91735-488, Mashhad, , , Kashki، Mohammad Taghi نويسنده Khorasan Agricultural Research Center, P.O.Box 91735-488, Mashhad, Iran , , Gholami، Barat Ali نويسنده Khorasan Agricultural Research Center, P.O.Box 91735-488, Mashhad, Iran ,
Abstract :
In order to understand the effect of organic fertilizer on yield of
anise, an experiment was conducted in the form of split-plot in randomized
complete block design with three replications in Mashhad, Khorasan Agriculture
and Natural Resource Research Center. Four treatments of fertilization: the control,
vermicompost – 5 t/ha, cow manure – 25 t/ha, and mineral fertilizer (NPK) – 60
kg/ha (the same rate of each nutrient) were applied as the main factor. The second
factor was plant density, applied at three levels: 17, 25, and 50 plants/m2. The
results showed a significant effect of fertilizer on the number of umbels per plant,
number of umbellets per umbel and canopy cover. Plant density had a significant
effect on grain yield, biological yield, the number of lateral branches, essential oil
percentage and yield of essential oil. Seed and essential oil yield were the highest
in the case of the application of vermicompost and plant densities of 50 and 25
plants/m2 respectively.
