Planting method for promoting early flowering of Dongtry early pomelos

The invention provides a planting method for promoting early flowering of Dongtry early grapefruits, which comprises the following steps of: after fruits are harvested from September to October, cutting off fruit piles, branches with diseases and pests, dry and deadwood, immature autumn shoots, spindling branches and the like; after pruning is completed, the ground is removed, and 200-300-fold liquid of 45% lime sulfur is used for comprehensively killing the fruit trees and the ground; fertilizing after harvesting, watering after harvesting, enabling the field water holding rate of the soil to be more than 70%, and controlling water to promote flower bud differentiation of the tree body; pruning before flowering: cutting off branches with diseases and pests, spindling branches and immature winter shoots so as to promote germination of spring shoots; fertilizing in spring to supplement nutrition for germination of spring shoots and flower buds; the field water holding rate is kept above 70% by watering, so tha