اثر کود ورمی کمپوست تحت آبیاری بارانی روی عملکرد و اجزای عملکرد گیاه صابونی Saponaria officinalis L.

In order to investigate the effect of Vermicompost fertilizer on yield and yield components, of Saponaria palnt (Saponaria officinalis L.) an experiment was conducted using randomized completed block in three replications in National botanic garden of Research Institute of Forests and Rangelands, Tehran, Iran in 2013. The treatments were included 4 levels of Vermicompost fertilizer in 0, 10, 20, 30 ton/ha. In the time of flowering, data were collected for plant height, vegetation cover, branches number, the aerial biomass and seeds production. The results showed a significant effect of fertilizer on the mentioned characteristics. The minimum and maximum values of 1389 and 4314 cm2 were obtained for canopy cover, respectively. Also, by increasing of fertilizer rate, the plant height were increased from 39.4 to 58.47 cm for control and 30 ton/ha. For plant weight, with increasing the fertilizer rate, the average values of 43.33 and 81.40 g/plant were obtained for control and 30 ton/ha. For the root weight the higher and lower, were obtained as 33.93 and 61.28 g/plant. There was no significant difference for root weight the treatment of 10 and 20 ton/ha. Therefore, for obtain the medium and higher production the application of 10 and 30 ton/ha was suggested. However, the expenses of providing 30 ton/ha Vermicompost fertilizer is much expensive than that for 10 ton/ha. Therefore to obtain a stable yield, the application of 10 ton/ha Vermicompost fertilizer was suggested. These results showed that the appropriate production ability of this plant using biological fertilizer. On this basis, due to the biological compatibility with this plant, it could be produce this valuable plant in the form of stable agricultural system using Vermicompost fertilizer.