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花!是美的象征,她能美化人们的生活,也能陶冶人们的心灵。在人们物质生活和文化生活水平日益提高的今天,对花卉的需要量与日俱增。花卉生长期间需要各种营养元素,这些元素主要来自于肥料。目前,花卉施用的肥料有用枯饼、粪尿等沤制的有机肥;有用动、植物残体浸泡的肥水;还有无机化学肥料,等等。无机化学肥料,施用不当,容易发生灼伤苗木;有机沤肥避免不了脏和臭,不仅招引蚊蝇,给环境带来不愉快的气味,而且,常常给苗木等带来病虫害。因此、探索
Flower is a symbol of beauty, she can beautify people’s lives, but also cultivate people’s hearts. In today’s increasingly material and cultural life, the need for flowers is increasing. During the growth of flowers need a variety of nutrients, these elements are mainly from fertilizers. At present, the fertilizers used in flowers are useful organic fertilizer made of dry cakes, excrement and urine, active fertilizer and plant fertilizer soaked in water, inorganic chemical fertilizers, and the like. Inorganic chemical fertilizers, improper application, prone to burns seedlings; organic fertilizer can not avoid dirty and stinky, not only attract mosquitoes and flies, bring unpleasant odor to the environment, but also often bring diseases and pests such as seedlings. So explore