ABSTRACT.


INES SOTOMAYOR ROMAN1
 

Some trials in the diagnosis of mineral deficiencies has been made following the Plant Injection Technique developed by Roach and Robert Positive reactions were observed for Fe, Mn and P in apples, cherries and lemon. The trials were carried on aluvial soils of pH about 8, in Santiago, Chile.

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1 Ingeniero Agronómo del Departamento de Investigaciones Agrícolas