The climate is the most important parameter for selecting the location of an orange field. The climate mostly determines the success of the orange farm and the quality of citrus fruits, while soil and water determine in general terms the productivity of orange trees. Cold is the most important enemy of an orange tree. In United States, orange trees are grown commercially in the Southern States (California, Texas, Arizona, Florida). Temperatures below 32° F (0 ° C) are dangerous for the orange tree, especially when maintained for long periods. High temperatures may also prove critical for the productivity of trees. High-speed and cold winds can also cause damage to trees, vegetation reduction, loss of fruits and deterioration of their quality.
Orange trees prefer light to medium textured soils, with good drainage and free from stagnant water. Orange fruits do not grow well in the ground where there was before another citrus field. This is attributed to the ground’s accumulation, over time, of some toxic substances and/ or the presence of some particular pathogens (often Thielaviopsis basicola and Tylenchulus semipenetrans). A suitable location for installing orange field is normally a downhill position, resulting in a flat surface, where the cold currents can escape freely. Soil erosion in such a location is mostly avoided by installing areas of grass retained at a low level between the planting rows of trees. In soils with high inclination, it is better to create terraces. Satisfactory production is achieved In soils with pH 5,5 (mildly acidic) to pH 6,5, but the tree can tolerate pH 4,5 to 8. Orange is a crop that is sensitive to salts. Thus, if the water contains a large amount of salts, the growth and productivity of the trees can be limited.
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7.) Orange Tree Climate & Soil Requirements
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