One Question per Day on the Basic Knowledge of Compound Fertilizers and Functional Fertilizers – 50 Questions

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True or False: 1. Before fertilizer products such as compound fertilizers and formulated fertilizers enter the market, they must obtain a fertilizer registration certificate from the provincial agricultural administrative department. ( )2. Domestic white potassium chloride of the same quality has a fertilizer efficiency comparable to imported red potassium chloride. ( ) In the compound fertilizers and functional fertilizers section, a daily quiz on basic production knowledge is carried out. We hope that all sea enthusiasts will participate actively. The purpose of this activity is to review the knowledge we have already learned, and to improve and strengthen everyone’s fundamental theoretical knowledge through answering questions, thereby reinforcing what we already know and helping us recall what we have forgotten. The top 50 answerers will definitely receive a reward. Please reply with the answer hidden; otherwise it will be invalid. To view the hidden method, go to: http://bbs.hcbbs.com/thread-492556-1-1.html. Please do not edit after replying! 1, √2,√