1. Do not apply too much chlorinated fertilizer Potatoes should not be applied with too much chlorine-containing fertilizers. When the concentration reaches a certain level, they will cause damage to plant roots, which can reduce the starch and sugar content of the product, affect yield and quality, and seriously cause crop death. Therefore, be careful with fertilizers such as ammonium chloride and potassium chloride. 2. Organic fertilizer applied to base fertilizer Commercial organic fertilizer is used as the base fertilizer. If ordinary farm manure is applied, it must be composted and cured at high temperature to kill grass species and pathogenic bacteria. If necessary, the compost can be aged for 1-2 months. 3-5 cm, so as not to affect seed germination and emergence. 3.The timing of foliar fertilization It is better to spray the trace elements and ground fruit Zodiac foliar before 10am or after 3pm. After spraying at a height of 30 cm, spray for the first time, and spray for the second and third times every 7 days. Improve the ability of ground fruit to absorb nutrients and expand vitality, and promote development speed. Wenzhou Celecare Medical Instruments Co.,Ltd , https://www.celecaremed.com
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