MKP as a source of phosphorus and potassium for winter-grown cucumbers and melons

abonos compuestos abonos fosfatados abonos potasicos calidad compound fertilizers crop yield cucumis melo cucumis sativus engrais potassique fertilisation fertilizer application growing media hiver invierno israel phosphate fertilizers potash fertilizers quality rendement des cultures rendimiento de cultivos substrat de culture substratos de cultivo variedades varieties winter