In a preliminary fertilizer trial with Arracacia xanthorrizaBank., conducted in the State of São Paulo, only phosphorus increased appreciably the root yield. The increase due to potassium was small. Nitrogen depressed the yield.
Authorship
person Jairo Ribeiro da Silva
person H. Garcia Blanco
person E. S. Normanha
person E. S. Freire
schoolInstituto Agronômico, , BrazilInstituto AgronômicoBrazil, BrazilInstituto Agronômico, , Brazil
SCIMAGO INSTITUTIONS RANKINGS
Instituto Agronômico, , BrazilInstituto AgronômicoBrazil, BrazilInstituto Agronômico, , Brazil