期刊
COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS
卷 46, 期 9, 页码 1170-1186出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00103624.2015.1033545
关键词
soil fertility; Biomass; Stevia rebaudiana; steviol glycoside; nutrient uptake
The effects of bioorganic nutrients on stevia were studied during 2011 and 2012 at Institute of Himalayan Bioresource Technology, Palampur, India. Bioorganic nutrient sources were evaluated in fourteen treatment combinations. Results showed that number of leaves plant(-1), leaf area plant(-1), and fresh and dry leaf biomass plant(-1) were significantly greater with the application of farmyard manure (FYM) 15Mgha(-1) + vermicompost (VC) 5Mgha(-1)+stevia seedlings treated with phosphorus-solubilizing bacteria (PSB) and azotobacter as compared to the control but plant height and the number of branches were not significantly affected by various treatments. This superior combination also resulted in considerably greater amounts of phosphorus (P) in stem (1.18 percent) and potassium (K) in leaf (2.39 percent). Stevia plants supplied with VC 7.5Mgha(-1)+stevia seedlings treated with PSB and azotobacter recorded greater stevioside (7.2 percent) and total steviol glycoside (8.4 percent). Application of organic manures in combination with biofertilizers enhanced soil organic carbon and available nutrient status of soil as compared to control.
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