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Climate Requirements
- For almond, a climate that is dry and hot in summers, warm and rainy in winters is ideal. Besides, since its shell is resistant to winter colds, it can be cultivated in the areas with cold winter conditions.
- Wood section of the almond tree is resistant to cold up to -30 ºC. Flower buds are less resistant to winter than peach flower buds. In the regions of Turkey with cold winter conditions, almond is not cultivated cause it is not economical.
- Almond requires winter rest for a shorter period of time compared to other fruit trees. 90-400 chill hours under +5 ºC is enough for almond.
- Nonstationary climate conditions in the beginning of spring have a great important in almond cultivation.
- The most critical times in terms of spring frosts are flowering and unripe almond periods. In the blossoming period, flowers are resistant up to -4, -5 ºC however at the end of that period they get harmed at -5 ºC and in the unripe almond period they get harmed in -1 to -5 ºC.
- There are big differences in terms of resistance to the frost. Since almond is tap rooted, it is suitable for arid weather conditions. However, if the average amount of annual precipitation drops below 300mm, the almond tree cannot bear sufficient fruits.
- In Aegean, the most important almond cultivation region of Turkey, average amount of annual precipitation is around 700 mm. Since this amount decreases in between the months of October and May, it is crucial to prefer varieties resistant to dry weather conditions.
- Very rainy and foggy weather conditions in the blossoming time are harmful for almond cultivation. In such cases, fungus diseases can be seen and it affects the quantity of fruit production. Monilyazis disease harms young fruits.
- Coryneum beijerinckii bores holes in leaves and putrefaction occurs in the branches. Later, putrefies areas in the branches crack. Trees shed the heavily perforated leaves and this causes poor growth habit.
Soil Requirements
- Almond is a non-selective variety in terms of soil requirements.
- It bears good quality fruits in light, deep, strained and alluvial soils. In these types of soil, roots go down into the soil with 3-5m depth.
- Almond likes sandy, argillaceous and gritty soils but doesn’t give good results in the heavy soil. In those areas, plum is used as the rootstock.