How to prepare nutrient solution？
How to prepare nutrient solution？
发布时间：2025-03-10 07:37:53
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由 快搜搜题库 官方老师解答 )
答案：【计分规则】: Weigh accurately and dissolve separately the concentrated mother solution and cultivation nutrient solution. For concentrated mother solution, please avoid producing indissolvable substance. It is divided into trace elements of Solution A, Solution B and Solution C. For cultivation nutrient solution, please add Solution A, Solution B, Solution C and then water. Adjust the pH value.
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