A dynamic grain #ow model describes how the grain #ow at the end of the threshing process reacts to feedrate variations during harvest. These input #ow variations have di!erent origins as there are variations in travel speed, cutting width and locally variable grain yield. In this study, an analysis
PA—Precision Agriculture: Mixing Assessment and Loss of Additives in a Forage Harvester
✍ Scribed by Edmund Dulcet
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- English
- Weight
- 418 KB
- Volume
- 79
- Category
- Article
- ISSN
- 0021-8634
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✦ Synopsis
When applying additives (chemical, enzymatic, microbiological) to green forage during harvesting with a forage harvester, the e!ectiveness of mixing process is estimated by the degree of application uniformity and the loss of additive. E!ects of placement of the applicator nozzle for adding liquid sodium benzoate to green forage (red clover), the length of chop, the forage feed rate (throughput) and moisture content of the crop on the quality of application process are discussed in the paper. The main factor a!ecting the quality of application is the location of the applicator in the forage harvester. The length of chop and the feed rate to the forage harvester have less e!ect on the amount of additive loss.
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Axial fans with a radial air #ow have been most commonly used in fruit growing areas. These generate a large radial plume which is poorly targeted for modern intensive orchards. A high-volume directed air-jet system (HVDAS) sprayer, based on a standard axial fan has been developed to determine the i