Top application system for greenhouse planting

The invention discloses a top application system for greenhouse planting. The top application system comprises a planting greenhouse, wherein a fertilizer applicator is arranged on a ceiling frame of the planting greenhouse; a monitoring module, a timing module, a starting control unit, a reminding module and a client terminal are arranged in the planting greenhouse; the monitoring module is used for monitoring environmental data in the planting greenhouse; the timing module is used for setting the fertilization time; the starting control unit is used for transmitting a reminding command to the reminding module, and controlling the fertilizer applicator according to a fertilization command transmitted from the client terminal; the reminding module is used for receiving the reminding command transmitted from the control unit and transmitting reminding information to the client terminal; and the client terminal is used for receiving the reminding information and transmitting a confirm command of fertilization to the control unit. The top application system has the beneficial effects that people can be reminded of fertilizing within the set time; the fertilizer applicator is automatically started to carry out fertilization operation; the problem of fertilization time delay is solved; and manpower is saved.