Daily Question 83: Basic Knowledge of Compound Fertilizer and Functional Fertilizer Production

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True or False: 1. The nutrient content of a fertilizer expressed as a percentage refers to the fertilizer grade. ( ) 2. A single fertilizer refers to a nitrogen fertilizer, phosphorus fertilizer, or potassium fertilizer that contains only one of the three nutrients – nitrogen, phosphorus, or potassium – as indicated by its specification. ( ) In the compound fertilizers and functional fertilizers section, a daily quiz on basic production knowledge is carried out. We hope that all fellow sailors 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、√