Regional Coffee Research Station;
Peddaboddepalli-Narsipatnam;
Visakhapatnam District;
Andhra Pradesh;
India;
University of Agricultural Sciences;
Krishi Nagar;
Dharwad;
Karnataka;
India;
Department of Soil Science;
School of Agriculture & Food Sciences;
Njala University;
Njala Campus;
Freetown;
Sierra Leone;
Soil Fertility; MICRONUTRIENTS; Boron; Copper; Iron; Manganese; Zinc; INDIA;