How to use bio-organic fertilizer for strawberries

Strawberry is a fruit-eating plant. The fruit is bright red, tender and juicy, sweet and sour, and has high nutritional value. It is planted in Heilongjiang in the north, Guangdong in the south, Shanghai in the east and Xinjiang in the west. During the year, the physiological functions of various organs vary with the seasons, and they are generally divided into five stages: beginning growth period, flowering result period, vigorous growth period, flower bud differentiation period and dormancy period. .
Strawberry roots are fibrous and shallowly distributed, with 70% of roots distributed in 20 cm deep soil. Strawberry is a kind of sandy loam that is suitable for water and fertile crops. It requires strong fertilizer and water retention capacity, good ventilation and loose texture. The whole growth period should be rationally fertilized to ensure that the plants grow robustly, have more flowers, have more fruit, better fruit taste and higher yield. Strong seedlings are the basis for high quality, high yield and high efficiency. The strong seedlings accumulate more nutrients, the roots are developed, and they grow fast after planting. The flower buds are more and more full and can produce large and many fruits. Applying the base fertilizer is the basic condition for strawberry seedlings.
Strawberry is a perennial herbaceous plant that requires nitrogen, phosphorus, potassium, boron, magnesium, zinc, iron, calcium and other trace elements. The characteristics of fertilizer required in different growth stages are different. Phosphorus is needed in the early stage, and a large amount of nitrogen is needed in the early and middle stages, and potassium is needed in the whole growth period.
Before the selection, it is not a tomato, potato, eggplant, pepper, beet, pea and other crops, and is rich in organic matter and various minerals. Before the planting, the soil is ploughed, and the soil is turned over 30-40 cm, and the base fertilizer is applied while deep turning. Generally, 200 kg of bio-organic fertilizer is applied per mu, 10 kg of urea, 20--25 kg of superphosphate, and 10 kg of potassium sulfate. On the basis of the application of the base fertilizer, 20 kg of bio-organic fertilizer is applied to the north after the strawberry is planted or survived, and the root growth of the plant is promoted. The Jiangsu-Zhejiang area is followed by a fertilizer after planting, and 20 kg of bio-organic fertilizer is applied in the middle of November or early December. (Note: Because the bio-organic fertilizer on the market contains a large number of elements and the number of microbial bacteria varies, the specific dosage should be determined according to the specific content of the product, and the technical guidance is best)
Answer Whether bio-organic fertilizer can be used as top dressing Top dressing is a fertilization method used to timely supplement the nutrient phase requirements during crop growth and development during crop growth and development. Top dressing can promote crop growth and development, and improve crop yield and quality.
There are two methods for the application of bio-organic fertilizers: deep soil application and topdressing. The deep application of the soil generally applies the bio-organic fertilizer to the vicinity of the root-dense layer, and the soil is covered in time after application (the biological fertilizer is sensitive to the ultraviolet light reaction of the sunlight) to avoid nutrient volatilization and loss of active bacteria. The top dressing is to mix the bio-organic fertilizer with 10 times of water evenly. After standing, the supernatant is taken, and the fertilizer solution is sprayed on the front and back sides of the crop leaves by means of a sprayer for the leaf surface to absorb.
Considering the cost of bio-organic fertilizers - Fertilization Technology 2:
The total fertilization amount of strawberry in the whole growth period is 3000-3500 kg of organic fertilizer (or 450-500 kg of commercial organic fertilizer), 14-16 kg of nitrogen fertilizer, 6-8 kg of phosphate fertilizer, and 8-10 kg of potassium fertilizer. Organic fertilizer is used as base fertilizer, nitrogen and potassium base fertilizer and secondary topdressing. The ratio of fertilization is 3:3:4, phosphate fertilizer is used as base fertilizer, and fertilizer and farmyard manure (or commercial organic fertilizer) are mixed.
The base fertilizer is mainly organic fertilizer, with appropriate quantitative fertilizer. Generally, the farmer's fertilizer is 3000-3500 kg or commercial organic fertilizer 450-500 kg, urea 5-6 kg, diammonium phosphate 15-20 kg, and potassium sulfate 5-6 kg.
Topdressing is generally divided into two times, topdressing in flowering stage, 9-10 kg of urea applied, 4-6 kg of potassium sulfate; topdressing in berry expansion period, 11-13 kg of urea and 7-8 kg of potassium sulfate. (Organic Fertilizer Agrochemicals)
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