Tomato is a fat-tolerant plant. It must have sufficient fertilizer and be used in conjunction with nitrogen, phosphorus, and potassium. In particular, the use of potash fertilizer should be strengthened during the fruit setting period to effectively improve the quality of tomato.

1, tomato on nitrogen, phosphorus, potassium fertilizer needs:

Nitrogen: Nitrate-like nitrogen promotes vegetative growth, flower bud differentiation, and fruit development.

Phosphorus: promotes root growth, has an obvious effect on flower bud differentiation, accelerates flowering and results, and improves yield and quality.

Potassium: Improve disease resistance, promote the operation of organic matter, and color the fruit evenly.

Calcium: increase sugar content, lack of cause umbilical rot.

2, tomato pollution-free fertilizer technology:

The target output is 4000-5000 kg. In medium-fertility soils, producing 1,000 kg of tomatoes requires 3.85 kg of pure nitrogen, 1.2 kg of phosphorus pentoxide, and 4.4 kg of potassium chloride. (1:0.31:1.14).

Basal fertilizer: 667m2 high-quality farmyard fertilizer 3000-3500kg (or commodity organic fertilizer 1000-1200kg), special BB fertilizer eggplant fruit 30-35 kg, spread deep into the soil two weeks before the application.

Top dressing: Apply 1 to 5-6 kg of urea per 667m2 for the first period of fruit expansion, 7-8 kg of urea for every 667m2 during the second period of fruit expansion, and 10-15kg of compound fertilizer for every 667m2 of the third stage.

According to the growth situation combined with disease prevention medication, spraying foliar fertilizer or liquid fertilizer to root.

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