在城市里,不少喜欢养花的人用动物尸骨及其它有机物沤制肥液,这种肥液常常有一股难闻的臭味,经久不散,不但污染了环境,还会因此造成邻里间的不和。现在介绍一种方法,可帮助大家解决这个问题,这就是盆花简易施肥器。这种装置的制作很简单(结构见图):准备一根外径6mm长约50mm左右的螺钉,中心钻一个 In the city, many people who like to spend their flowers with animal bones and other organic fertilizer fertilizer system, this fertilizer often have an unpleasant smell, prolonged, not only pollute the environment, it will result in neighborhood The discord Now introduce a method that can help everyone solve this problem, this is potted simple fertilizer. This device is very simple to make (structure shown in Figure): Prepare a diameter of 6mm about 50mm screw around the center of a