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| Filter results2 paper(s) found. |
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1. Variable Rate Nitrogen Fertilizer for Corn Grown in KentuckyIn Kentucky, nitrogen recommendations for corn have historically been based on soil type. soil drainage class, and previous crop rather than on an anticipated yield or yield potential. Because of the growing popularity of yield monitors and GPS technology, corn producers are now accurately mapping yield variations within fields. A three year study was conducted in the karst region of western Kentucky to determine if past yield history (collected with a yield monitor using GPS) could be used as a... |
2. Using Optical Sensors to Make N Recommendations for Sorghum, Wheat and Corn in KansasEfforts were begun in 2005 focused on developi ng sensor based N recommendations for grain sorghum ( Sorghum bicolor L. Moench), winter wheat ( Triticum aestivum L) and corn (Zea mays L.). The objective of these studies was to develop sensor based mid-season N recommendations using active crop sensors currently available on the commercial market. Sensors used to date include the GreenSeeker and CropCircle. Our appr oach used has been to establish multiple in- field well fertilized reference strips... |