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Agronomy Notebook

Assessing early season soybean injury

Spring 2014 has been quite challenging with wet soil and cold temperatures.  We’ve received several calls and e-mails regarding soybean seedling damage (from those who have actually been able to plant).  It appears that some soybean fields were hit with a “trifecta” of stress issues. What should we be looking …

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What causes purple corn?

Cool and wet weather at early stages of corn development, as we are experiencing this year, are ideal for the appearance of purple plants. What causes the plants to become purple? Some of the reasons are given below: • Purple leaves are caused by a pigment called anthocyanin. When sugars …

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Planting corn after a failed wheat crop


Late fall planting, harsh winter conditions and/or excessive rainfall can all lead to an undesirable wheat stand in the spring. Often growers would like to turn those failed wheat acres into a corn field and questions arise as to how to best ensure a successful transition. The transition starts with …

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Tips for high yielding soybeans

Rotate: The highest soybean yields often are in fields that have been continuous corn, have high yield potential soils and often have plenty of manure. Proper fertility levels: Soil test: pH 6.5-7, 30-60+ pounds per acre Phosphorous, 200 to 300 pounds per acre K depending on soil type. Adequate drainage is …

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Starter fertilizer in corn production

Starter fertilizer in corn production has traditionally been recommended for fields with cool soil temperatures, including exceptionally early planted or no-till fields, or those with high residue cover. In cool soil conditions, starter fertilizer placed near the developing seed provides easily accessible nutrients until soil conditions improve and an adequate …

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