Most soybeans produced in Arkansas are produced in a full-season soybean production system (FSSPS) and consist of both dryland (non-irrigated) and irrigated production systems. FSSPS irrigated fields planted to MG IV and V varieties in late April and May have very good yield potential (50+ bu/A) statewide but may not always be the most profitable due to increased irrigation and pest problems (weed and foliar diseases). FSSPS dryland fields can be profitable, but success with this system is dependent upon receiving timely rainfall and the inherent productivity of the soil: therefore, yearly fluctuations in grain yield and profitability are often quite variable for this production system....
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