[The effect of the preparation Melongozida O in combination with microelements on carbohydrate and dry matter content in leaves of apple trees] | Preparatul Melongozida O in amestec cu microelemente si impactul asupra continutului glucidelor si a substantei uscate in frunze la pomii de mar

application foliaire bore boro boron carbohidratos carbohydrates cinc contenido de materia seca dry matter content estimulantes de crecimiento vegetal feuille foliar application glucide hojas leaves malus pumila oligoelementos plant growth stimulants plant growth substances sustancias de crecimiento vegetal trace elements zinc