Cucumber fertilizer phytotoxicity seedlings are caused by excessive application of chemical fertilizers or improper use of pesticides. Remedial measures: ( 1 ) 20 days before the application of organic fertilizer to the seedbed , applying insecticide film to disinfestation, the organic manure applied should be overturned several times to discharge harmful gases; ( 2 ) fertilization should be based on fully decomposed organic fertilizer ( 3 ) For seedlings that have been damaged or phytotoxic, lighter should be timely flooded, and the concentration of diluted fertilizer in the soil should be diluted.
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Xinlongwei Chem offers the broadest line of semiconductor-grade wet chemicals in North America. We also supply major technology customers in Europe, the Middle East and Asia. With purities that extend to the parts-per-trillon (ppt) level, our high-quality acids and bases are used for cleaning formulations and other processes by semiconductor and wafer fabs throughout the world.
As the complexity of semiconductor silicon wafers continues to advance, so too must the purity of the process chemicals used in their manufacture. Xinlongwei chem is proud to be a leading supplier of high purity process chemicals for many of the world`s leading technology companies.
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Shijiazhuang Xinlongwei Chemical Co., Ltd. , http://www.xinlongwei-chem.com