随着农业现代化进程与环境问题的加剧,蔬菜污染问题越来越备受人们关注,为保障人们的身体健康,适应形势发展的需要,2001年以来,招远市建起了厚皮甜瓜(洋香瓜)、西瓜、草莓、黄瓜、番茄、韭菜等六大蔬菜基地,并按照部颁标准,全面实施了无公害栽培技术。笔者根据近几年来的试验研究认为,在无公害蔬菜生产的施肥管理上,应注意以下问题。一、禁止施用硝酸盐类肥料如硝酸铵、硝酸钙等。二、氮肥的施用 (一)不偏施氮肥氮肥要与磷、钾肥料配合使用。无公害蔬菜生产过程中,要实行测 With the aggrandizement of agricultural modernization and environmental problems, more and more attention has been paid to the issue of vegetable pollution. In order to guarantee people’s health and adapt to the needs of the development of the situation, Zhaoyuan has set up a large-scale muskmelon Melon), watermelon, strawberry, cucumber, tomato, leek and other six major vegetable bases, and in accordance with the ministerial standards, the full implementation of pollution-free cultivation techniques. According to the author’s experimental study in recent years, the author believes that the following problems should be paid attention to in fertilization management of pollution-free vegetable production. A ban on the use of nitrate-based fertilizers such as ammonium nitrate, calcium nitrate and so on. Second, the application of nitrogen (a) unbiased nitrogen fertilizer nitrogen and phosphorus and potassium fertilizer with the use. Pollution-free vegetables in the production process, to implement the test