Rhizobium Efficiency in Cowpeas (Vigna unguiculata L. Walp.)

Rhizobium Efficiency in Cowpeas (Vigna unguiculata L. Walp.)

Yield and Physiological Quality of Seeds

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Low environmental impact practices, such as the use of atmospheric nitrogen-fixing bacteria, have led to increases in cowpea productivity in some producing areas. The research consisted of a brief theoretical reference (Chapter I); evaluation of the efficiency of rhizobium strains and their influence on seed production and quality (Chapter II); influence of these strains on nutrient absorption (Chapter III) and agronomic evaluation of rhizobium strains and their influence on seed production and quality (Chapter IV). The planting was carried out in Regolithic Neosol during two seasons (2005 and...