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Growing degree days (GDD), also called growing degree units (GDUs), are a heuristic tool in phenology.GDD are a measure of heat accumulation used by horticulturists, gardeners, and farmers to predict plant and animal development rates such as the date that a flower will bloom, an insect will emerge from dormancy, or a crop will reach maturity.
Sweet corn, harvested earlier than maize grown for grain, grows to maturity in a period of from 60 to 100 days according to variety. An extended sweet corn harvest, picked at the milk stage, can be arranged either by planting a selection of varieties which ripen earlier and later, or by planting different areas at fortnightly intervals. [74]
The US is the world's largest producer of corn. [8] According to the United States Department of Agriculture (USDA), the average U.S. yield for corn was 177 bushels per acre, up 3.3 percent over 2020 and a record high, with 16 states posting state records in output, and Iowa reporting a record of 205 bushels of corn per acre.
In Shell Rock in northeast Iowa, ethanol producer POET is storing corn on the ground, local farmer Caleb Hamer said, adding that he dumped some of his harvest on a pile that looked like it held 1. ...
Corn combine harvester with grain cart (click for video) The modern combine harvester , also called a combine , is a machine designed to harvest a variety of cultivated seeds. Combine harvesters are one of the most economically important labour-saving inventions, significantly reducing the fraction of the population engaged in agriculture. [ 1 ]
The U.S. corn harvest could be the second-largest on record as rains during July shepherded the crop through its critical development phase, offsetting dry conditions early in the season and hot ...
A bin-busting harvest that has lowered grain prices is presenting lucrative opportunities for companies that process corn and soybeans. Lower input costs will lead to higher profits for food ...
Among the major field crops, oats, wheat, and rye are sown, grasses and legumes are seeded and maize and soybeans are planted. In planting, wider rows (generally 75 cm (30 in) or more) are used, and the intent is to have precise; even spacing between individual seeds in the row, various mechanisms have been devised to count out individual seeds at exact intervals.