Growers may want to use longer soybean maturities on fields where early planting is likely, while fields that often stay wet past mid-May could benefit from a mid-season variety, University of Illinois Extension says.
Grain moisture content at different growth stages is fairly well known. Kernel moisture content decreases as the kernels develop through the blister stage (85%), milk stage (80%), dough stage (70%), dent stage (55%), and finally physiological maturity (30%).
All crops require manganese for proper growth and development, so proper management of this micronutrient is vital for photosynthesis, germination and plant maturity, experts say.
Variable soil types, knolls, flooding and drought have left many growers with extreme in-field variability of soybean maturity. There are areas in fields where the soybean seed is 13% or less moisture adjacent to areas with green seed.
This year, we had a slow soybean planting due to high rainfall in June. This was followed by below normal temperature for the whole growing season, which delayed soybean growth and development of this major summer crop.
Lessons learned from measuring nitrates as corn reaches physiological maturity can help no-tillers improve nitrogen management and the farm’s bottom line.
No-tillers wanting to get a better handle on how efficiently they’re using nitrogen on corn acres should consider late-season corn-stalk nitrate sampling programs, including one offered by the Iowa Soybean Association On-Farm Network.
Nevertheless, folks who planted their corn later than normal are now beginning to worry whether their crop will mature safely before a killing fall freeze.
Hybrid maturity ratings have always been a sort of mystery to farmers and consultants alike, and one factor that contributes to the mystery is that your definition of "maturity" may not be the same as my definition.
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On this episode of Conservation Ag Update, brought to you by Martin-Till, Brian and Darren Hefty, fourth-generation farmers and hosts of Ag PhD, share tips for treating tar spot in corn.
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