Soybean has a large nitrogen (N) requirement. Indeed, soybean requires about four times more N per bushel produced than corn. On average, soybean needs to absorb 4.8 lbs of N per bushel produced. Hence, a soybean crop that produces 50 bu/ac (similar to current Nebraska average) will need to absorb 240 lbs N per acre.
October has gotten off to a wet start in most of the state and particularly in northeast Nebraska where some mature soybean fields are now flooded. Considering potential impact on yield and ability to harvest these fields will be critical in the next few weeks.
Warm, wet conditions across Nebraska the past two weeks created optimal conditions for crop diseases. This update looks at identification and management of three diseases in corn: southern rust, which is expanding in the state, bacterial leaf streak, and diplodia, which is new to Nebraska.
Nebraska soybean producers are being asked to answer a survey about their soybean fields and contribute to a benchmark study of current soybean production in Nebraska. Researchers from 10 north central states, including Nebraska, are collecting the data to identify factors that may be impeding growers from reaching full yield. See what they've learned in the first two years of the study and how they hope to use the information.