Influence. When the paddy field is fertilized, the rain will suddenly clear up, which will not affect the straw. Fertilization is not allowed in rainy days, because it rains heavily, which will easily lead to the loss of nutrients in the fertilizer, which not only has low utilization rate, but also may damage the root system due to waterlogging suffocation. It is necessary to prevent waterlogging from flooding the core leaves, ditch and drain in time, and fertilize after sunny days.