Lychee nutrition: A review
1987
Menzel, Christopher M. | Simpson, D.R.
One of the major factors limiting fruit production in lychee (Litchi chinensis Sonn.) is lack of a suitable nutrition program. Yields may be low because of excessive vegetative growth in winter following late or heavy N fertilization. Deficiencies of N and K, and to a lesser extent of B, Zn and Cu, may limit yield by restricting the set and subsequent development of fruit. There is the possibility that soil features (pH, drainage or salinity) may impair tree health and hence indirectly reduce fruit production. Priority areas for nutrition research should include: the relationship between vegetative flushing and leaf N; the timing of fertilizer N application during flowering and fruit set; refinement of leaf and soil sampling; the possible role of K in winter dormancy; leaf symptoms of micronutrient deficiencies; and roles of Zn, B and Cu in fruit set.
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