CORESTA Meeting, Agronomy/Phytopathology, Montreux,1997, POST15 (non présenté)
Evaluation of a rapid plant test as guide in fertilizer recommendation for tobacco
National Tobacco Administration, Quezon City, Philippines.
A plant test for determining the nitrogen (N) fertilizer requirement of tobacco was developed and evaluated in laboratory, pot and field experiments. Sampling procedures for measuring the nitrate-N in petiole and stem sap were examined. In particular, the ...