The effect of DAM-390 solutions with microelements on changes in the contents of major nutrients and microelements in forage of annual ryegrass

abonos nitrogenados azote calcio calcium chemical composition cobre composition chimique copper cuivre date de traitement engrais liquide fecha de tratamiento feed grasses fertilisation fertilizer application fosforo liquid fertilizers lolium multiflorum manganese manganeso molibdeno molybdenum nitrogen nitrogen fertilizers nutritive value oligoelementos phosphore phosphorus potasio potassium sodio sodium trace elements treatment date valeur nutritive valor nutritivo