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Title: Effect of varying levels of nitrogen and phosphorus on growth and yield of the medicinal plant, Alpinia galanga Willd.
Authors: Hussain, S
Sharma, A
Singh, P K
Hore, D K
Keywords: Medicinal plant;Alpinia galanga;Nitrogen;Phosphorus;Interaction effects;Galangal oil
Issue Date: Apr-2006
Publisher: CSIR
IPC Code: Int. cl.7 —A01G 1/00, A61K 35/78, C11B 9/00
Abstract: An experiment was conducted during kharif season of 2000 and 2001 to study the response of Alpinia galanga Willd. to nitrogen and phosphorus in upland terraces under mid altitude conditions of Meghalaya. The results indicated that increasing levels of nitrogen and phosphorus application significantly increased fresh rhizome yield up to 100 Kg N/ha and 80 Kg P2O5/ha. Thereafter, non significant effects were noticed. Application of 100 Kg N/ha has also resulted in highest oil content (0.37%), which was at par with oil contents observed from the application of 80 Kg P2O5/ha (0.34%) and 120 Kg P2O5/ha (0.36%). The interaction effects were significant for plant height and fresh rhizome yield, recording highest values at 150 Kg N and 120 Kg P2O5/ ha. These values were at par with the values obtained from the application of 100 Kg N/ ha and 80 Kg P2O5/ ha for these two characters.
Page(s): 120-123
ISSN: 0975-1092 (Online); 0972-592X (Print)
Appears in Collections:NPR Vol.5(2) [March-April 2006]

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