Sweet majoram (Majorana hortensis L.) is one of the native Iranian medicinal plants, which due to its aromatic secondary metabolites is used in traditional medicine. In production of medicinal plants, application of organic inputs has especial role in sustainable agriculture. Organic inputs, such as manures and compost, other than providing the necessary elements for plant growth, could improve the physiochemical structure of soil. This research was conducted to evaluate the growth traits, quantitative and qualitative yield, and constituents of essential oil of sweet majoram under the application of compost extract and inoculation of biofertilizers.? The experiment was performed as split plot in time with three replications at Research Greenhouse of Ferdowsi University, Mashhad, Iran, in 2012. Main plots were 16 fertilizer combinations (Azotobacter (Azotobacter paspali), (B1), Azospirillum (Azospirillum brasilense) (B2), mycorrhiza (Glomus intraradaices) (B3), 10% compost extract (C1), 20% compost extract (C2), 30% compost extract (C3), B1C1, B1C2, B1C3, B2C1, B2C2, B2C3, B3C1, B3C2, B3C3 and control) and sub- plots were three cutting stages during the growing season. Results showed that height of main stem, dry and fresh weight of sweet majoram was significantly affected by single and combined application of biofertilizer inoculation and compost extract at the first cutting and were higher than the second and third cuttings. Also, the most significant increase in height of main stem, fresh and dry weight and essential oil content of sweet majoram (43.3 cm, 46.07 g/m2, 27.11 g/m2 and 0.89%, respectively) was observed in C1B3 treatmeent. Constituents of essential oil were significantly affected by single and combined applications of biofertilizer inoculation and compost extract. Among the constituents, terpinen-4-ol (18.01%) and cis-sabinene hydrate (15.4%) allocated the highest and ledene (15.4%) and camphene (0.01%) the lowest amount.
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机译：甜马约拉姆（Majorana hortensis L.）是伊朗的原生药用植物之一，由于其芳香的次生代谢产物被用于传统医学。在药用植物的生产中，有机投入物的应用在可持续农业中具有特殊作用。除了提供植物生长必需的元素外，有机投入（例如肥料和堆肥）可以改善土壤的理化结构。通过堆肥提取物和接种生物肥料的方法，对甜甜瓜的生长特性，定量和定性产量以及精油成分进行了研究。该实验在2012年在伊朗马什哈德的Ferdowsi大学Research Greenhouse实验室按时间点进行了三次重复实验。主要样地为16种肥料组合（固氮杆菌（Azotobacter paspali），（B1），固氮螺菌（Azospirillum brasilense）（B2） ），菌根（Glomus intraradaices）（B3），10％堆肥提取物（C1），20％堆肥提取物（C2），30％堆肥提取物（C3），B1C1，B1C2，B1C3，B2C1，B2C2，B2C3，B3C1，B3C2 ，B3C3和对照）和子样地是生长季节的三个切割阶段。结果表明，一次施用生物肥料接种物和堆肥提取物的单次施用和联合施用对甜蜜主枝的主茎高度，干重和鲜重有显着影响，并且高于第二次和第三次插条。同样，在C1B3处理中，甜甜主干的主茎高度，鲜重和干重以及精油含量的增幅最大（分别为43.3 cm，46.07 g / m2、27.11 g / m2和0.89％）。精油成分受到生物肥料接种和堆肥提取物一次或多次施用的显着影响。在这些成分中，萜品烯-4-醇（18.01％）和顺式水bin烯（15.4％）分配最高，而铅烯（15.4％）和camp烯（0.01％）分配最低。
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