Tomato is a key to high-yield fertilization
Planting period application of base fertilizer Tomato seedlings before transplanting sufficient amount of high-quality farmhouse fertilizer per acre, while applying 10 kg of urea, 10 kg of ammonium phosphate, calcium superphosphate 40 ~ 50 kg, or sufficient amount of high-quality soil Tuzu fertilizer, sulfuric acid Potassium ternary compound fertilizer 25 ~ 50 kg, urea 10 kg.
When the fertilized tomato seedlings grow to 5 to 6 leaves during the vigorous growth period, if the leaf color becomes light, foliar spray can be applied. The commonly used fertilizers are 300 times urea solution, 300 times potassium dihydrogen phosphate solution, and 0.1%~0.3% potassium sulfate compound fertilizer solution. It is sprayed once every 10 days during the strong season. In addition, foliar spray fertilizer can be combined with pest control.
During the result period, the diameter of the first fruit is 1.5 to 2.5 centimeters long and the top dressing is watered. Generally, 15 to 20 kilograms of ammonium nitrate per gram, 20 to 30 kilograms of superphosphate, or 5 kilograms of urea and potassium sulfate compound fertilizer are used. ~20 kg, water applied after ground application. When the second and third fruits are grown to a diameter of 3 cm, the second and third fertilization will be performed respectively. Each mus of 10 kg of urea and 15 to 20 kg of potassium sulfate compound fertilizer will be used for the first time. In the full fruit period, it can be combined with sprays for extra-root dressing, using potassium dihydrogen phosphate and other fertilizers.
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