论文部分内容阅读
叶面肥的种类繁多,五花八门,全国范围约有数百种乃至千种之多。根据叶面肥的登记、注册,将叶面肥大致分为以下几种类型。第一类:清液型多种营养元素无机盐类的水溶液,它又可分为纯水溶液和添加螯合物的水溶液两种,一般要求其所含微量元素的总量应不少于10%,主要功能是为植物提供各种营养元素,改善作营养状况,尤其是适宜
Foliar variety, varied, nationwide, about hundreds and even thousands of species. According to the registration of foliar fertilizer, registration, will be roughly divided into the following foliar types. The first category: a variety of nutrients clear liquid inorganic salts of aqueous solution, which can be divided into pure water solution and added chelate two kinds of aqueous solution, the general requirements of its total amount of trace elements should be not less than 10% , The main function is to provide plants with a variety of nutrients to improve the nutritional status, especially suitable