In times of agricultural modernity, the cultivation of oranges at a technified level is a relatively recent activity, and because of this there is very little information about the agronomic practices that the crop requires to achieve high yields.
▶ One of the aspects that most affects orange yields is mineral nutrition, mainly when the trees enter the fruit production stage, fertilization of the crop in most producing countries is done empirically, and we are not sure of the optimal doses of fertilizers, and the needs of specific nutrients that the plant requires.
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This undoubtedly constitutes a series of limitations to plan the fertilization program of the crop in an efficient and rational way. In recent years, citrus cultivation has spread to a wide variety of soils and climatic conditions, which makes the establishment of fertilization programs a little more complicated.
Currently it is possible to find plantations planted in ultisols, inceptisols, andisols, and alfisols, with a great variety of chemical and physical characteristics that affect yield and fruit quality.
Soil enrichment is important as it is beneficial for any crop, as for citrus we are talking about it is necessary a clay loam soil which contains a PH suitable for the cultivation of oranges, the more nutritional properties the plant can absorb the higher quality and quantity of production.
Over spraying of foliar urea during the induction period increases flowering in orange trees basically due to the effect of foliar urea on flowering and productivity of the orange tree under agroclimatological conditions.
NOTE: Reference material.