Transcription of 5 Cropping Systems - Crop Sciences Department
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Cropping Systems 49 Thousand acresYear2010195019601970198019902000020 00600010000400080001200014000 CornSoybeanWheatOatsHayTwo crops corn and soybeans have come to domi-nate the cultivated area of Illinois over the past 60 years, moving from 60% of cropped acres in 1950 to more than 90% in recent years (Figure ). Wheat acreage de-clined by about half during this period, to about 1 million acres, while the number of acres used to produce livestock feed oats and hay has declined by almost 90%, down to less than 750 thousand acres.
multiple cropping, which requires a season long enough and crops that mature quickly enough to allow two harvests in one year. l Intercropping is the presence of two or more crops in the same field at the same time, planted in an ar-5 Cropping Systems Emerson Nafziger Department of Crop Sciences ednaf@illinois.edu Figure 5.1.
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