Application method of nano-selenium fertilizer for improving fusarium wilt resistance of watermelons

The invention relates to the field of agricultural fertilization, and discloses a planting method for improving fusarium wilt resistance of watermelons by utilizing a nano-selenium fertilizer. The method comprises the following steps of conducting soil preparation; conducting base fertilizer applying and planting; spraying nano-selenium foliar fertilizer; and conducting conventional field management. According to the method, an existing watermelon cultivation technology is optimized, the selected microbial nano-selenium foliar fertilizer can be prepared by watermelon cultivation farmers, the method is simple and convenient, the cost is low, the occurrence rate of fusarium wilt of the watermelons can be effectively reduced, technical support is provided for watermelon quality improvement and efficient planting, and good market potential is achieved. 本发明涉及农业施肥领域，公开了一种利用纳米硒肥提高西瓜抗枯萎病的种植方法，该方法包括以下方面：整地；基肥及种植；喷洒纳米硒叶面肥；常规田间管理。本发明方法对现有西瓜栽培技术进行优化，选用的微生物纳米硒叶面肥可由西瓜栽培农户自行配制，方法简便，成本低，能有效降低西瓜枯萎病发生率，为提升西瓜品质及高效种植提供技术支持，且具有良好