![]() Soils vary considerably in ability to supply essential nutrients for plant growth. ![]() The micronutrients are taken up by plants from the soil in relatively small amounts compared to the macronutrients. A fertile garden soil must supply an additionalįourteen essential elements which may be separated into two groups as follows: Macronutrients Plant tissues are composed largely of carbon, hydrogen, and oxygen which are obtained from air and water. The optimum growth and production of vegetables requires an adequate supply and balance of nutrients.
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