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Relations between the SPAD index determined by chlorophyll meter with nitrogen content in leaves and grain yield in maize genotypes

Rocha, R.N.C.; Galvao, J.C.C.; Teixeira, P.C.; Miranda, G.V.; Agnes, E.L.; Pereira, P.R.G.; Leite, U.T.

Revista Brasileira de Milho e Sorgo 4(2): 161-171

2005


Accession: 004297561

A study was conducted to evaluate the accuracy of the chlorophyll meter readings (SPAD index) for the early assessment of nitrogen content on maize leaves and to proportionate subsidies for the nitrogen fertilizer.

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