[Comparative experiment of phosphated fertilizers resources of different solubility present in national market] | Experimento comparativo de fuentes de fertilizantes fosfatados de diferente solubilidad presentes en el mercado nacional

abonos fosfatados commercialisation domestic markets evaluation greenhouses identification indicator plants invernaderos marketing mercadeo mercado interior peru phosphate fertilizers plantas indicadoras plante indicatrice sandy soils serre sol sableux solanum tuberosum suelo arenoso zea mays