How to plant blueberries and various techniques and correct methods to yield a variety of blueberries.

How to grow blueberries with high yieldsThe editor brings you how to grow blueberries with high yields, and techniques and correct methods for growing blueberries in the field of green plants and flowers. Let's understand together.Blueberry cultivation management technology1. Soil management technologyBlueberry root system is shallow and delicate, without root hairs, so it is necessary to strengthen soil management to achieve the ideal soil conditions suitable for blueberry growth.The core of soil management is to eliminate various obstacles restricting blueberry growth through a series of cultivation measures, mainly including: low soil organic matter (less than 5%), insufficient soil acidity (pH greater than 5), poor soil structure (compaction or leakage of water and fertilizer), insufficient and unbalanced soil available nutrients, and lack of soil microorganisms.By loosening the soil, changing the pit or slot, applying green manure, and covering the bed surface, the organic matter of blueberry root soil can be increased and the soil structure can be improved. When the soil pH value is greater than 5.5, sulfur powder, peat, pine needles, etc. need to be applied to adjust acidity. The application amount is determined according to the soil pH value, so as to create a good soil condition for the development of blueberry root system.2. Fertilizer management technology2.1 Fertilizer characteristics of blueberry plants:From the analysis of the whole tree nutrition level, blueberry is an oligotrophic plant. Compared with other fruit trees, the contents of N, P, K, Ca, Mg in the body are low. Because the root system of blueberry is shallow and delicate, without root hairs, improper fertilization can easily cause damage to the root system and tree body. Another characteristic of blueberry is that it likes ammonium nitrogen fruit trees, and it has a strong absorption capacity for ammonium nitrogen in the soil compared with nitrate nitrogen. Blueberry is very sensitive to chlorine and is prone to excessive poisoning, so chlorine-containing fertilizers such as ammonium chloride and potassium chloride should not be selected when choosing fertilizer types.2.2 Suitable types of fertilizers for blueberry planting:⑴ Compared with organic fertilizers, blueberries are more suitable for organic fertilizers with complete nutrition, rich microorganisms, and low salinity. For example: fermented chicken manure, pig manure, cow manure, various cake fertilizers, bone meal and other organic fertilizers.⑵ The main chemical fertilizers suitable for blueberry planting are:Ammonium sulfate, diammonium phosphate, potassium sulfate, superphosphate, heavy superphosphate, various trace element fertilizers, etc.Carbon ammonium (alkaline), ammonium nitrate (nitrate nitrogen), ammonium chloride (containing chlorine), urea, potassium chloride (containing chlorine) and other fertilizers are not suitable for blueberry planting.The types of chemical fertilizers are numerous, and the reactions of blueberries to different types of chemical fertilizers vary greatly depending on soil types and fertility levels.Nitrogen fertilizer: Fertilization experiments show that with the increase of nitrogen fertilizer application amount, the yield tends to decrease, the fruit size becomes smaller, the fruit maturity period is delayed, and the overwintering shoot is serious. Therefore, nitrogen fertilizer should be applied scientifically and reasonably according to the soil conditions.Phosphorus fertilizer: Non-farmland soils in Changbai Mountain area often lack phosphorus, and the effect of increasing phosphorus fertilizer is significant. However, when the phosphorus content in the soil is high (previous dry land), the application of phosphorus fertilizer not only fails to increase the yield of blueberries, but also delays the fruit maturity.Potassium fertilizer: Potassium fertilizer has a significant effect on increasing the yield of blueberries, and it can also improve maturity, quality, and stress resistance. However, excessive application has no effect on increasing yield, but it can cause the fruit to become smaller, severe damage during overwintering, and lead to magnesium deficiency. In most soil types, the suitable potassium application amount for blueberries is 40kg/ha of potassium sulfate.2.3 Fertilizer amount:Excessive fertilization of blueberries can easily cause damage to the tree body and even death. Therefore, the determination of fertilizer amount should be cautious, and it should be based on soil fertility and tree body nutrition status. For different blueberry producing areas and different varieties, the blueberry fertilizer index system should be formulated through leaf analysis technology and soil analysis technology based on years of production experiments and research results, and it should be scientifically used in production to avoid habitual fertilization and blind fertilization.2.4 Fertilization method and period:Highbush blueberries can be applied with furrow fertilization, with a depth of 10-15cm. After dwarf blueberries become garden, broadcast fertilization is mainly used. The soil fertilization period is generally carried out before the early spring germination, and can be