Answer: There are many nutrients needed to keep any plant alive. All plants require macronutrients and micronutrients of which there are quite a lot of each. The main nutrients a green bean plant would require would be nitrogen, phosphorus, and potassium. These are the primary components of most fertilizers (and are what the numbers such as 5-10-10 represent). Other important macronutrients include magnesium, calcium, and sulfur. Examples of micronutrients include iron, zinc, copper, boron, manganese, etc.
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