Inhibitory Effects of Aqueous Extracts from Leaves of Common Tropical Green Plants on Nitrification in Soils

Abstract:

An incubation experiment was carried out to investigate the inhibitory effects of aqueous extracts of 32 common tropical green plant species from 24 families on nitrification. The results indicated that the nitrification inhibitory effects of Calliandra haematocephala belonging to Mimosaceae, Dracaena cambodiana belonging to Liliaceae, Duranta repens belonging to Verbenaceae, Alstonia scholaris belonging to Apocynacea, Terminalia mantaly belonging to Combretaceae and Polyalthia longifolia belonging to Annonaceae were better than DCD, which had more obvious potential applications than other plants inhibited nitrification. The inhibitory effects of active substances in plants were affected by extract temperature causing by solubility and thermal stability of active substances. Duranta repens had the most potential for development in this study as a fertilizer additive. The inhibitory effects of aqueous extracts of Duranta repens leaves on nitrification increased with increasing concentration of aqueous extracts, the strongest inhibitory effect on nitrification occurred after 14 d of incubation.

• Periodical: Applied Mechanics and Materials (Volume 665)
• Pages: 555-558
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.665.555
• Online since: October 2014
• Authors: Mu Qiu Zhao, Yun Feng Shi*, Ming Li
• Keywords: Aqueous Extracts, Duranta repens, Inhibitory Effect, Nitrification, Tropical Green Plants

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