Tomato cultivation in open fields and greenhouses is often caused by uncoordinated fertilization time or lack of phosphorus and potassium deficiency, resulting in weak plants and abnormal results, resulting in low yield, poor quality and poor returns. Therefore, in the whole growth period of tomato, appropriate amount of formula should be applied according to its growth characteristics to ensure high quality and high yield of tomato.  

    Applying base fertilizer during the planting period    Before transplanting seedlings per acre quality manure 10,000 kilograms; urea, 10 kg, 10 kg ammonium phosphate, superphosphate 40 kg to 50 kg or 10,000 kg Mushi-quality farmyard manure, potassium sulfate NPK 25 Kilograms to 50 kilograms and urea 10 kilograms.  

    Fertilization during the strong period    When the tomato seedlings grow to 5 pieces - 6 leaves, if the leaves are light, the foliar spray can be applied. Commonly used fertilizers urea solution 300-fold, 300-fold potassium dihydrogen phosphate, O. 1 % - 0 . 3 % potassium sulfate compound fertilizer solution. Spraying a 10 days period every strong seedling views. In addition, foliar spray fertilizer can be combined with the control of pests and diseases.