Iran is one of the main Apple producers among the countries which are supplying Apples in the world. Iran is the sixth largest apple cultivator. The main provinces which are producing Apple are Azerbaijan, Isfahan, Khorasan and Tehran.every Region has its special weather and soil texture and because of those reasons, apples which are grown and cultivated, have various characteristic like Shelf-Life, firmness, color, taste and perfume.
Apple trees can grow in a variety of soils, however they grow best in deep, well-drained, well-drained sandy loam soils.The apple tree has sensitive roots and in heavy and dense soils that retain water, the possibility of growing the apple tree is low and it is difficult to grow. Apple tree is planted in humid and cold climates and grows in areas with annual rainfall of more than 500 mm in a balanced and standard way. Cooling of flower buds requires 1500-800 hours of low temperature (less than 7 ° C).
Both climate and soil play important roles in production efficiency and crop quality. The highest yields are obtained in the lowlands, while the best fruit quality in the medium and high regions, with cold winters and cold summers 20 to 22 degrees Celsius. Apple is a crop that needs a lot of water to grow and the positive effects of abundant and balanced irrigation on the quality of the product can be seen.
Apples that are regularly and balanced irrigated have a soft and suitable texture and are juicy, while if not enough water reaches the apple tree, the fruit has a hard and dry texture. The stage of rapid growth of the tree from July to September and the growing stage The size of the fruits is from October to November.
More than half of the total water needed to irrigate the garden should be provided during the summer months, so that the fruits grow and the apple trees cool with water.