[Response of the watermelon (Citrullus lanatus L.) to two sowing distances with different N.P.K fertilization levels in an oxisol of Meta]

abonos npk amendement calcique citrullus lanatus colombia colombie cultural methods economic analysis engrais npk enmiendas calizas equipment equipo espacement espaciamiento ferralsol ferralsoles ferralsols liming materials mode de culture npk fertilizers spacing taxonomia taxonomie taxonomy