Cultivation method for interplanting of coconuts under rubber forest

The invention discloses a cultivation method for interplanting of coconuts under a rubber forest. The cultivation method comprises the following steps of S1, preparing a base fertilizer, specifically,selecting animal manure and plant straws, putting the animal manure and the plant straws into a fermentation tank, putting a proper amount of fermentation strains into the fermentation tank, stirring, and carrying out fermentation treatment to obtain a decomposed fertilizer; S2, land cultivation preparation, specifically, selecting land which is regular in terrain, breathable and capable of draining water, scattering coal slag and decomposed manure on the surface of the land, and then performing deep ploughing treatment; and S3, digging seed pits, specifically, digging rubber sapling pits andcoconut sapling pits on the surface of the land after the land in the step S2 is deeply ploughed for 2-3 days, taking two rows of the rubber sapling pits as a group, and taking two rows of the coconut sapling pits as a group.