Abstract:<br>Seven ways of reducing fertilizer application and 8 ways of reducing pesticide application were put forward, and the requirements of the environment of producing area and the quality and safety control of watermelon were clarified. Normalized reduction<br>Fertilization, application of soil conditioner and biological bacterial fertilizer, straw green fertilizer return, soil treatment, seed preparation, film selection, reasonable close planting, plant<br>Adjustment, water and fertilizer management, chemical regulation, pesticide reduction and harm control technology.<br>
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