花后一周喷高美施效果好高美施（ＵＡ－１０２）是美国Ｏ．Ｅ．Ｉ公司生产的一种有机腐殖酸液肥。它含有氮、磷、钾、钙、镁、硫、铁、硼、锌、锰、铜、钼等元素，还含有腐殖酸、腐殖钾、黄酸等可改良土壤的多种腐殖质。我们在全县果树生产中推广花后一周喷施高美施６００... Spraying the United States one week after spraying the United States has a high effect Meishan (UA-102) is the United States O. E. I produced a organic humic acid liquid fertilizer. It contains nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, iron, boron, zinc, manganese, copper, molybdenum and other elements, but also contains humic acid, humus potassium, yellow acid and other soil can improve a variety of humus. We promote the production of fruit trees in the county a week after the high-spraying Shihua Meishi 600 ...