Influence of different planting spacing of areca nut intercropping with Vanilla on soil microbes and nutrients

This paper was aimed to study the effects of areca nut intercropping with vanilla on soil microbes and nutrients. The different plant and row densities of areca nut intercropping with vanilla and monocropping of vanilla were used as treatments to study the number of soil microbes, the content of soil nutrients, as well as the relationship among them. The results indicated that the intercropping system significantly increased the number of soil microbes, moreover, ameliorated microbial community structure. The treatment of planting spacing of 2.0 m x 2.5 m (Tr2) of areca nut significantly increased soil pH, organic matter, total potassium, alkaline hydrolysable N, available P, available K, exchangeable Ca, available iron and available boron. The Pearson Productmoment correlation analysis showed that the number of soil microbes positively correlated with the content of soil nutrients in vanilla plantation. In conclusion, the sound system was planting spacing of 2.0 m x 2.5 m (Tr2) of areca nut intercropping with vanilla, which had obvious effects on soil microbial community structure and soil nutrients, furthermore, the number of soil microbes was closely related to the content of soil nutrients.