The production of 1000 kg of tomato requires 3.85 kg of pure nitrogen, 1.2 kg of phosphorus pentoxide and 4.4 kg of potassium chloride. According to the calculation of 5,000 kilograms per mu, 5000 kilograms of high-quality farmyard manure and 50 kilograms of phosphate fertilizer are planted before planting. The first fruit should be enlarged to the first time when the egg yolk is large, the first topdressing should be carried out, the topdressing nitrogen of 18 to 20 kg, the 15 to 16 kg of the phosphate fertilizer, and the 16 to 17 kg of the potassium fertilizer should be applied. When the second, third and fourth ear enlarge, the egg yolk should be large. Fertilizers should be top-dressed in a timely manner. At this time, a large amount of fertilizer is needed, and the amount of top-dressing fertilizer should be increased appropriately. Each top dressing should be combined with watering. Can be used 0.35% of fertilizer combined with disease prevention for foliar spray. It can also be mixed with siting spirits.
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