Soybean Fertility Management

Nutrients are required for water transport and photosynthesis processes, and protein and oil production in the plant.  Nutrient deficiencies are one of the causes of leaf discoloration and/or chlorosis that might be observed in a soybean field and can decrease plant growth and reduce yield potential.  It is beneficial to understand the function of a…

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Corn Starter Fertilizer with Sulfur or Zinc

Higher corn yields mean more minor nutrients are removed from the soil; thus, minor nutrient deficiencies may occur. Starter fertilizer is one way to help ensure nutrient availability to the crop early in the season. While sulfur (S) and zinc (Zn) are needed in smaller quantities than nitrogen (N), phosphorus (P), and potassium (K), it…

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Planting Small-Seeded Soybeans

Like most other things in agriculture, soybean seed size is determined by the interaction of genetics and environment.  Hot and dry conditions, such as those experienced in some parts of the U.S. during the 2011 growing season, can result in smaller seed. Planting smaller seed may require adjustments to planting equipment. Agronomic Spotlight – Planting…

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Integrated Management for Sudden Death Syndrome in Soybean

Sudden Death Syndrome (SDS) is considered one of the top four yield robbing diseases in soybeans. Yield losses from SDS have ranged from slight to nearly 100%, depending on disease onset and severity. Average yield losses in the United States were estimated at $190 million a year. Managing SDS includes several steps to potentially reduce…

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Ear Drop Issues in Corn

Dry weather and other stress factors can lead to premature ear drop. Scouting fields and planning for a timely harvest can help minimize preharvest losses.  Weather stress can be a key factor of ear drop issues. Generally, the problem is most severe when extreme high temperatures occur at R1 (silking). These conditions can result in…

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Late-Season Frost Damage to Soybeans

The effect of late-season frost on a soybean crop depends upon the growth stage of the soybean plants. Yield losses due to frost are uncommon after soybeans have reached full maturity, the R8 growth stage. Temperatures that range from 30°F to 32°F can easily damage the top leaves on a soybean plant. When air temperatures…

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Late Season Frost Damage to Corn

An early frost, during the grain-tilling period, in September can cause losses in corn yield and quality. Losses will depend on the temperature, duration, and corn growth stage at the time of the frost. Frost damaged corn management will depend on the corn growth stage and severity of damage. Agronomic ALERT – Late Season Frost…

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