In collaboration with Scientific Association of Iranian Medicinal Plants

Document Type : Research Paper

Authors

1 Islamic Azad University, Rudhen Branch, Iran

2 Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran

3 Soil and Water Research Institute, Tehran, Iran

Abstract

In order to study the effects of biofertilizers on N, P, K concentrations and seed yield in fennel (Foeniculum Vulgare Mill.), an experiment was conducted at Homand Research Station in Damavand at 2005 and 2006. The factors were mycorrhizal inoculation (inoculated and non-inoculated), phosphate biofertilizer (0, 30, 60 kg/ha) and vermicompost (0, 5, 10 ton/ha). The experiment design was factorial experiment in the base of randomized complete blocks design with eighteen treatments and three replications. Mean comparison was carried out using Duncan multiple range test (at 5% level). Results showed that the highest concentration of N, P and K in seed and seed yield were obtained with mycorrhiza inoculums. Phosphate biofertilizer also showed significant effects on mentioned traits as the highest N concentration in seed with consumption of 60 kg/ha and maximum concentration of P, K and seed yield with consumption of 30 kg/ha from it were obtained. The highest concentration of N, P and K in seed and seed yield were obtained with application of 10 ton/ha vermicompost. There were positive and synergistic interactions between factors, like interactions between mycorrhizal inoculation and phosphate biofertilizer on N concentration and phosphate biofertilizer and vermicompost on P concentration.

Keywords

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