果树专用肥吸收了国际配肥经验,是通过对全省果树营养水平及土壤状况的大量分析,在深入开展果树营养诊断及矫治技术研究的基础上,经过反复试验研制而成的。它除含有27％的氮、磷、钾外,尚含有5％的有机质(腐殖酸)、钙素以及2.5％在黄土高原石灰性土壤中普遍缺乏的锌、硼、铁、钼、锰、铜等微量元素,易于果树吸收和利用,可广泛施用 The special fertilizer for fruit trees absorbs the experience of international fertilization, which is based on the extensive analysis of nutrient levels and soil conditions of fruit trees in the province, and on the basis of in-depth research on nutritional diagnosis and orthodontic techniques of fruit trees. In addition to containing 27% of nitrogen, phosphorus, and potassium, it still contains 5% of organic matter (humic acid), calcium, and 2.5% of zinc, boron, iron, molybdenum, manganese, which are generally lacking in calcareous soils on the Loess Plateau. Trace elements such as copper are easily absorbed and utilized by fruit trees and can be widely applied