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Research Journal of Environmental Sciences

Year: 2009 | Volume: 3 | Issue: 3 | Page No.: 285-291
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Authors

N. Vijay

A. Kumar

A. Bhoite

Keywords

Research Article

Influence of Nitrogen, Phosphorus and Potassium Fertilizer on Biochemical Contents of Asparagus racemosus (Willd.) Root Tubers

N. Vijay, A. Kumar and A. Bhoite
This research attempts to investigate the influence of N, P and K on chlorophyll, carbohydrate, proteins and sapogenin contents of Asparagus racemosus (Willd.). The treatment consisted different concentrations of nitrogen (N 20, N 40, N 80 and N 160 mg kg-1), phosphorus (P 20, P 40, P 80 and P 160 mg kg-1) and potassium (K 40, K 80 and K 160 mg kg-1) in the form of Urea (46%, H2NCONH2), superphosphate (16%, P2O5) and muriate of potash (60% K2O), respectively. A significant increase in the chlorophyll content was recorded with all the applications of N, P and K. Root protein and carbohydrate contents were found linearly increase with K treatment while a slight decline was found with the higher dosage of N. Root sapogenin content was 1.66, 1.87 and 1.75 folds higher than the control with N, P and K, respectively. Application of Phosphorus was found to be best for growth and biochemical contents of root tuber.
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