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Improved Nutritive Value Of Different Forage Species Monitored By Near-Infrared Reflectance Spectroscopy, N Berardo, A Tava, L Valdicelli, M Odoardi
Improved Nutritive Value Of Different Forage Species Monitored By Near-Infrared Reflectance Spectroscopy, N Berardo, A Tava, L Valdicelli, M Odoardi
IGC Proceedings (1993-2023)
The development of rapid and reliable methods for the evaluation and prediction of forage quality has been the objective of many researchers for several years. The infrared-reflectance technique was developed for rapid prediction of nutritive value and chemical composition of feedstuffs, and for the last decade has been applied at our institute for the prediction of the nutritive value of forage samples from field trials and breeding programmes. Calibration curves have been developed for alfalfa (Medicago sativa L.), Italian ryegrass (Lolium multiflorum Lam.), cocksfoot (Dactylis glomerata L.), tall fescue (Festuca arundinacea· Schreb.), bromegrass (Bromus …
Assessment Of Grass Production And Efficiency Of Utilisation On Three Northern Ireland Dairy Farms, A. J. Dale, P. D. Barrett, C. S. Mayne
Assessment Of Grass Production And Efficiency Of Utilisation On Three Northern Ireland Dairy Farms, A. J. Dale, P. D. Barrett, C. S. Mayne
IGC Proceedings (1993-2023)
Recent research has shown that grazed grass can be an expensive forage for milk production, particularly if herbage production is low or utilisation is inefficient. There is very limited data on the level of herbage grown and utilised on commercial farms. The objective of this project was to quantify grass production and efficiency of utilisation on farm to substantiate the potential of grazed grass for profitable milk production.
Potassium Soil Test Correlation And Calibration For Burley Tobacco Grown On An Allegheny Loam Soil, Kenneth L. Wells, James E. Dollarhide, Val Shields
Potassium Soil Test Correlation And Calibration For Burley Tobacco Grown On An Allegheny Loam Soil, Kenneth L. Wells, James E. Dollarhide, Val Shields
Agronomy Notes
Burley tobacco removes large amounts of potassium (K) from soil. A 2,600 pound/A cured leaf crop removes around 200 lbs K/A/yr, with about 110 lbs of that in the leaf and 90 lbs in the stalk. Because of such a heavy soil demand for K, growers are always concerned that application of fertilizer K be sufficient for top production. The University of Kentucky's Soil Testing Laboratory (Division of Regulatory Services) provides a statewide soil testing service. The Mehlich-3 soil extractant is used by the UK lab, and soil test K values from use of this extractant (reported as lbs K/A) …