Corn has a high requirement of nitrogen, phosphorus, potassium, calcium, magnesium, iron and manganese. Corn is a C-4 annual crop, which means that it has a high light-use efficiency. The crop does well on any soil with adequate drainage, to allow for the maintenance of sufficient soil oxygen, and enough water-holding capacity, to provide adequate moisture throughout the growing season. Corn prefers a pH of 6.0–7.2. Best corn mineral nutrition regime includes the use of CRFs, fertigation with fully-soluble fertilizers, and foliar feeding.

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