一、试验材料 (一)增糖灵、优果乐1号和优果乐3号,均为石家庄市农药厂新产品。增糖灵对花卉、蔬菜、果树和谷类等多种农作物具有促进生长和增加果实糖量等效应。优果乐1号为果实糖度增强剂,适用于多种果树和瓜类。优果乐3号为多元复合肥,对多种果树具有增产、增糖和增强抗性等 First, the test materials (a) Zengshen Ling, excellent fruit Le No. 1 and excellent fruit Le 3, are Shijiazhuang City Pesticide Factory new products. Zeng Guling for flowers, vegetables, fruit trees and cereals and other crops have to promote growth and increase the sugar content of fruit and other effects. Youle No. 1 is a fruit sugar enhancer, suitable for a variety of fruit trees and melons. Youle 3 for the compound fertilizer, a variety of fruit trees with increased production, increased sugar and enhanced resistance