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Evaluation of Two Lupinus Species Native from Central Mexico in Relation with Solubilization of Nitrogen, Phosphorus and Potassium in an Andosol

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Author(s): Angel Alderete-Chavez | Vicente Espinosa Hernandez | Nancy De la Cruz-Landero | Enrique Ojeda Trejo | Hortencia Brito Vega

Journal: Journal of Applied Sciences
ISSN 1812-5654

Volume: 9;
Issue: 8;
Start page: 1583;
Date: 2009;
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Keywords: phosphorus | nitrogen | Lupinus andosol | potassium

ABSTRACT
In Mexico there are few studies about lupine native species. In the oriental slope of the Sierra Nevada Mexico five species of Lupinus growing in soil andosol were identified and seeds of the plants were collected. The Lupinus species play an important ecological role by providing favorable conditions for the restauration of soils in forest areas after fire, in agriculture acidification of soil and solubilization of nutrients. Data about the performance of lupine native species and the characterization of its behavior during the growing cycle and the extraction of Nitrogen (N), Phosphorus (P) and Potassium (K) is not available. The present research was realized to explore the capacity of two species Lupinus leptophyllus and Lupinus montanus. An exploratory study under greenhouse conditions was realized to obtain the tendencies in the concentration of C, N, P and K available in the soil through time. For the two species there were an increase in the percentage of nitrogen and phosphorus at 120 days and for potassium at 80 days.

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