They can grow in heavy soils, if well-drained, and in sandy soils, if these have organic matter. A pH of 4.5 – 6.5 is suitable.
Rambutan trees require full access to light and any decisions on plant density and tree arrangement must take into account the estimated size of the mature tree, particularly the canopy width and height of the cultivars to be planted; the climatic and soil condition of the locality should also be considered since both these factors will have an influence on tree vigor.
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Seeds germinate in 7-15 days. Seedling tress are less precocious than clonally propagated trees and are extremely variably in character, hence commercial production is based on clonally propagated trees.
Budded or grafted trees are generally ready for field planting within 12-24 months, Air layered trees are generally removed from the tree with 3-4 months of girdling and established in pots (3-6 months) prior to field planting.
Generally a spacing of 10m between trees is recommended, but this can be modified depending on soil fertility and growth habit of the cultivar.
Planting of rambutan
