Effect of soaking treatment [in water] for root zone under different levels in early to mid reproductive stage on the growth and seed yield of soybean varieties

abonos abonos verdes agricultural chemicals agronomic characters agua del suelo alimentos amendement du sol biological control biological development breeding breeding aims contenido de agua en el suelo crecimiento croissance crops cultivar cultivars cultivos cultivos de grano developmental stages eau du sol economic plants engrais engrais organique engrais vert enmiendas del suelo etapas de desarrollo etapas de desarrollo de la planta fertilizers fisiologia fonction physiologique foods grain crops grain legumes green manures growth industrial crops legumes leguminosas leguminosas de grano lutte biologique objetivo de mejoramiento oil crops pest control methods physiological functions physiologie physiology plant developmental stages plantas plantas industriales plantas oleaginosas plante plante de culture plante industrielle plants productividad productivity produit agrochimique produit alimentaire profitability rendement rendimiento rentabilidad resistance to injurious factors soil amendments soil water soil water content soja soybeans teneur en eau du sol yields