Autumn is the peak period of fruit tree root growth, and it is also the key period for tree body to accumulate nutrients. Fertilizer can't keep up. Speaking of the essentials of the autumn Shiji fertilizer, we must first highlight the word "early". It is usually carried out in September-October, but it is better to apply early in September. Because the soil temperature is relatively high during this time, the roots absorb fertilizer for a long time, and the absorption speed is also fast. Grasp the time of fertilization, you have to increase the amount of fertilizer. Agricultural technicians pointed out that 70% of the annual fertilization amount comes from the autumn application of the base fertilizer. It is advisable to apply more high-quality organic fertilizers, such as decomposed soybeans, bean cakes, chicken manure, pig manure, etc., and the amount of organic fertilizer applied to the acre should reach 3,000 kg or more. If the source of organic fertilizer is insufficient, you can buy the finished organic fertilizer instead. Moreover, the nutritional supplements during the growth of large cherries should be balanced. The agricultural technician told the author: "The growth and results of large cherry not only require a lot of nutrients such as nitrogen, phosphorus and potassium, but also medium elements such as calcium, magnesium and sulfur, as well as trace elements such as boron, zinc and iron. Therefore, the application of autumn fertilizer A large amount of medium, medium and trace elements must be used together." According to the introduction of agricultural technicians, the basic fertilizer for autumn application should be based on radial ditch. 6-8 radial grooves can be dug outside the canopy. The depth of the ditch is 20-30 cm. When digging trenches, try to be more and deeper. This is beneficial to root absorption. More nutrients. At the same time, it is necessary to mix the organic fertilizer with the soil as much as possible, and keep the soil in close contact with the fertilizer, so as to better exert the fertilizer effect. In addition, the agricultural technicians also suggested that after the fertilization, the fruit farmers should step on the soil and water it in time, which is conducive to the combination of fertilizer and water and improve the utilization rate of fertilizer. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone
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