At present, many fruit growers still have traditional ideology when fertilizing fruit trees. They always use chemical fertilizers as their first choice, often neglecting whether or not fruit trees are needed, thus affecting the growth of fruit trees and causing unnecessary losses. Professor Hua Lei of the College of Agriculture of Northwest A&F University stated that fertilization must follow the scientific concept to achieve the principle of lacking any supplements for fruit trees.
Changing ideas out of the misunderstanding of fertilization
Long-term application of chemical fertilizers will cause serious shortage of organic matter in the soil, and cause soil problems such as soil compaction and acidification. “It is mainly the tradition of fertility concept of fruit growers and believes that applying more nitrogen, phosphorus and potassium can achieve high yields and harvest, resulting in a series of soil problems.†said Hua Lei. Many soil-friendly bacteria in the orchards have lost their living environment. The breeding of harmful germs is very likely to cause dead trees. Therefore, the concept of fertilization should be thoroughly changed and organic fertilizers should be applied, especially biological bacterial fertilizers, to improve the soil environment.
At the same time, the application of farmyard fertilizers is also desirable, but it must be fully cooked before application, can not be overdose for consecutive years. It is worth noting that all chlorine-containing fertilizers such as compound fertilizers, compound fertilizers, and organic-inorganic compound fertilizers produced with ammonium chloride and potassium chloride must be banned on fruit trees.
Scientific fertilization to construct soil environment
Science applies organic fertilizers. Organic manure should be applied to soil to prevent the ditching and fertilization from excessively concentrating on the roots of the burns. Whether it is a ring or radial digging, the fertilizer can be widely exposed to the absorption roots of the fruit trees, and the fertilizer and the soil can be sprinkled with soil to prevent the fertilizer from mixing. Piles of burned roots.
Timely supplement of bacterial fertilizer. After applying the organic fertilizer, the soil is improved, but this is also the time when it is most vulnerable, and it is easy to create conditions for the invasion of harmful bacteria. Therefore, after processing the soil for half a month, it is necessary to supplement biological bacterial fertilizers in a timely manner so as to maintain the dominant status of beneficial bacteria in the soil, thereby inhibiting the proliferation of harmful bacteria.
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