Light is essential for the growth of blueberry. If the light is insufficient for a long time, it will lead to less flower buds and affect the quality of fruit. At the same time, it can be combined with appropriate pruning, which is conducive to the photosynthesis of blueberry. To balcony potted blueberry, still should notice ventilated..
Blueberry root distribution is shallow, like wet, timely watering is very important. When watering potted blueberries, we need to pay attention to the water source and quality. Because the pH value of deep well water is usually high, and it contains high sodium and calcium, long-term use is not conducive to the growth of blueberries, so we can use sulfuric acid to adjust the pH value of deep well water to about 4.5-5.5 before watering. Generally, we should interval about 3 times of irrigation and then pour acid water.
Blueberry is suitable to grow in acid medium, and the pH value of general culture soil is between 4.5-5.5.
It should be noted that blueberry has the characteristics of being fat and calcium averse. Generally, in the early stage of blueberry planting, rotten leaf soil can be used or some rotten cow, sheep and rabbit dung can be added. In addition, a small amount of top dressing is needed in the later planting process, but large fertilizer should not be used. Generally, the compound fertilizer of N, P and K type with 1:1:1 content or the solution of 1:2000 times of ammonium sulfate can be selected. Remember to keep away from calcium. For example, some flower lovers like to put eggshells in flowerpots at will, which is not conducive to the growth of blueberry plants.
