Nitrogen availability after seven years of alley cropping with Erythrina poeppigiana and Gliricidia sepium

Nitrogen availability after seven years of alley cropping with Erythrina poeppigiana and Gliricidia sepium

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Nitrogen availability was compared under alley cropping with Erythrina poeppigiana, alley cropping with Gliricidia sepium and sole cropping in La Montaña alley-cropping experiment at CATIE in Turrialba, Costa Rica. Nitrogen uptake of one-month-old maize plants was substantially higher under alley cropping than under sole cropping. This was due to higher rates of soil nitrogen mineralization under alley cropping plus nitrogen made available from the decomposition of the tree prunings.

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Bibliographic Details
Main Authors: 82396 Kass, D.L., 75577 Haggar, J.P., 47630 Beer, J.W., 131136 Westley, S.B., 106621 Powell, M.H. eds., CATIE - Centro Agronómico Tropical de Investigación y Enseñanza Turrialba, Costa Rica autor/a 3977, 15141 Nitrogen Fixing Tree Association, Hawaii (EUA), International Conference Erythrina in the New and Old Worlds Turrialba (Costa Rica) 19-23 Oct 1992
Format: biblioteca
Published: Hawaii (EUA) 1993
Subjects:ERYTHRINA POEPPIGIANA, GLIRICIDIA SEPIUM, ZEA MAYS, CULTIVO EN CALLEJONES, FIJACION DE NITROGENO, COSTA RICA,
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Summary:Nitrogen availability was compared under alley cropping with Erythrina poeppigiana, alley cropping with Gliricidia sepium and sole cropping in La Montaña alley-cropping experiment at CATIE in Turrialba, Costa Rica. Nitrogen uptake of one-month-old maize plants was substantially higher under alley cropping than under sole cropping. This was due to higher rates of soil nitrogen mineralization under alley cropping plus nitrogen made available from the decomposition of the tree prunings.

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