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Title: <b>Effect of varying levels of nitrogen and phosphorus on growth and yield of the medicinal plant, <i>Alpinia galanga </i>Willd.</b>
Authors: Hussain, S
Sharma, A
Singh, P K
Hore, D K
Keywords: Medicinal plant
<i>Alpinia galanga</i>
Interaction effects
Galangal oil
Issue Date: Apr-2006
Publisher: CSIR
Series/Report no.: <b>Int. cl.<sup>7</sup></b> —A01G 1/00, A61K 35/78, C11B 9/00
Abstract: <b></b>An experiment was conducted during <i>kharif </i>season of 2000 and 2001 to study the response of <i>Alpinia galanga</i> Willd.<i> </i>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 P<sub>2</sub>O<sub>5</sub>/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 P<sub>2</sub>O<sub>5</sub>/ha (0.34%) and 120 Kg P<sub>2</sub>O<sub>5</sub>/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 P<sub>2</sub>O<sub>5/</sub> ha. These values were at par with the values obtained from the application of 100 Kg N/ ha and 80 Kg P<sub>2</sub>O<sub>5</sub>/ ha for these two characters.
Description: 120-123
ISSN: 0975-1092 (Online); 0972-592X (Print)
Appears in Collections:NPR Vol.5(2) [March-April 2006]

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