Effects of weight and planting density of tubers derived from true potato seed on growth and yield of potato crops in Egypt. 1. Sprout growth, field emergence and haulm development

crecimiento croissance crop yield duration egipto egypt emergence emergencia espacement espaciamiento growth insolation papa de siembra peso plant de pomme de terre poids rendement des cultures rendimiento de cultivos seed potatoes solanum tuberosum spacing sprouting stems tallo temperatura temperature tige tubercule tubers weight