How to apply shed nectar
Nectarines are popular as consumers in the winter and spring season. The field fertilization management in the shed is also particularly critical. Once the management is not in place, it will bring great economic losses to the farmers. Then we must master the key technologies of fertilization:
Fertilization should be based on available nitrogen fertilizers, combined with phosphorus and potash fertilizers, and appropriate amounts of biological bacterial fertilizers. According to its fruiting period to the harvesting period, it can be divided into priming fruit fertilizer, fruit fertilizer and starry fertilizer.
1. Promoting Fruit Fertilizer: When fruit is present, the fruit begins to grow rapidly, and the entire plant enters into a fruit-growth period. The stems and leaves also begin to thrive and require more fertilizer. At this time, the first topdressing is called detoxification, which is the key period of fertilizer application. The amount of phytotoxic fertilizer should be 30-40 kg of ammonium sulfate per 667 square meters, or 15-20 kg of urea.
2, Sheng fruit fertilizer: When the fruit is enlarged, it is the peak period of fertilizer, and then the second top dressing, that is, full fruit fertilizer. With quick-acting nitrogen fertilizers as the main component and phosphorus and potash fertilizers, it is also necessary to pay attention to the application of medium-sized and trace element fertilizers such as calcium, boron and zinc on the foliage. In combination with watering, 1,000 kg of diluted dilute urine or 20-30 kg of diammonium phosphate is applied per 667 m2.
3, the sky star fertilizer: After the second top dressing to the last 1 harvest 10 days before, about once every 10 days chase 1 times, a total of 5-6 times to recover fat. Fertilizer and dilute urine are best used interchangeably.
4. Extra-root fertilizer: From the beginning of the outcome period, fertilizers such as 0.2%-0.3% urea, 0.2%-0.3% potassium dihydrogen phosphate, and 0.1%-0.2% magnesium sulfate can be sprayed according to growing conditions. Usually 7-10 days, even spray 2-3 times.
5. Microbial bacterial fertilizer: Qualified biological bacterial fertilizer not only contains a large number of nitrogen-fixing, phosphate-solubilizing and potassium-releasing active bacteria, but also contains organic matter, humic acid and trace elements. In combination with other fertilizers, it will not only save the amount of fertilizer used, but also solve soil compaction and increase soil microbial content.
Through the above methods of fertilization, it is believed that the majority of growers can obtain more ideal output, so as to achieve the purpose of increasing production, improving quality and increasing income.
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