敬爱的《天津农林科技》全体编辑及领导,您们好!感谢贵刊给我带来很多的知识和丰富的经济效益。我是一名果树承包者,从1993年开始承包,因为果树修剪技术知识的缺少,1993～1994年每年亏损2～3万元,使我走入了困境的大海。在1995年的春季巧合的机会我找到一本《天津农林科技》199 Dear “Tianjin Agriculture and Forestry Science and Technology,” all the editors and leaders, thank you for your publication to bring a lot of knowledge and rich economic benefits. I am a fruit tree contractor. Since 1993, it has been contracted. Since there was a lack of knowledge on pruning of fruit trees, the loss of 20,000 to 300,000 yuan per year from 1993 to 1994 made me into the dilemma of the sea. In the spring of 1995, coincidental opportunities I found a “Tianjin Agriculture and Forestry Science and Technology” 199