Sowing time and plant population for cowpea cultivars [Vigna unguiculata (L.) Walp...
SOWING TIME AND PLANT POPULATION FOR COWPEA CULTIVARS [Vigna unguiculata (L.) Walp...
Physiological role of nickel in cowpea (Vigna unguiculata L. Walp) plants cultivat...
Maize(Zea mays L.) intercropping with cowpea (Vigna unguiculata L. Walp.) varietie...
Cowpea nutrition and grain yield as a function of lime and phosphogypsum surface a...
Nutrition, water-soluble and yield of cowpea as function as lime and silicate surf...