Consider narrowing existing equipment to the limit and, as needs arise, purchase equipment for narrow rows. Narrow rows show the greatest advantage in late-planted crops such as double crop soybeans or grain sorghum. You can get narrow rows by doubling back with wide-row equipment. Average soybean yield in bushels per acre to drilled seeding at several Missouri locations. Portageville 39.7 43.0 3.3 Planting date is extremely important in achieving yield potential.
Nobody can plant every acre on that best planting date.
But strive to have at least half of your crop planted by that date. The only excuse for late planting should be the weather. Plan ahead to get your planter in field condition before that first planting day. Check and adjust your planter often. Drive as slowly as possible to ensure good seed placement and proper seeding rate while still getting the planting done on time.