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蔬菜叶面喷施微肥技术喷施浓度适宜的浓度才会带来最好的效益，浓度过大易发生毒害作用，造成减产，适得其反。一般喷施浓度为：０．２％硼砂或硼酸溶液；０．０２％－０．０５％硫酸锌溶液；０．０５％－０．１％硫酸锰溶液；０．０１％－０．０２％硫酸铜溶液；０．２％...
Foliar application of foliar fertilizer technology spray concentration appropriate concentration will bring the best benefits, concentration is too large prone to toxic effects, resulting in reduced production, counterproductive. The general spraying concentration: 0.2% borax or boric acid solution; 0.02% -0.05% zinc sulfate solution; 0.05% -0.1% manganese sulfate solution; 0.01% -0.02% Copper sulfate solution; 0.2% ...