Prediction of the clover content of red clover- and white clover-grass mixtures by near-infrared reflectance spectroscopy

Grass and Forage Science

Volumn 54, Issue 1, 1999, Pages 87-90

  Wachendorf, M ^a   Ingwersen, B ^a   Taube, F ^a  

^a UNIVERSITY OF KIEL   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

TRIFOLIUM; TRIFOLIUM PRATENSE; TRIFOLIUM REPENS;

AGRICULTURAL APPLICATION; NEAR INFRARED; PASTURE; SPECTROSCOPY; VEGETATION MAPPING;

EID: 0032932694     PISSN: 01425242     EISSN: 13652494     Source Type: Journal    
DOI: 10.1046/j.1365-2494.1999.00150.x     Document Type: Article

References (9)

1. C OLEMAN S.W., B ARTON F.E., M EYER R.D. (1985) The use of near-infrared reflectance spectroscopy to predict species composition of forage mixtures. Crop Science, 25, 834 837.
2. C OLEMAN S.W., C HRISTIANSEN S., S HENK J.S. (1990) Prediction of botanical composition using NIRS calibrations developed from botanically pure samples. Crop Science, 30, 202 207.
3. M OORE K.J., R OBERTS C.A, F RITZ J.O. (1990) Indirect estimation of botanical composition of alfalfa-smooth bromegrass mixtures. Agronomy Journal, 82, 287 290.
4. P ETERSEN J.C., B ARTON F.E., W INDHAM W.R., H OVELAND C.S. (1987) Botanical composition definition of tall fescue-white clover mixtures by near-infrared reflectance spectroscopy. Crop Science, 27, 1077 1080.
5. P ITMAN W.D., P IACITELLI C.K., A IKEN G.E., B ARTON F.E. II (1991) Botanical composition of tropical grass-legume pastures estimated with near-infrared reflectance spectroscopy. Agronomy Journal, 83, 103 107.
6. S HAFFER J.A.G.A., J UNG J.S., S HENK, A BRAMS S.M. (1990) Estimation of botanical composition in alfalfa/ryegrass mixtures by near infrared sprectroscopy. Agronomy Journal, 82, 669 673.
7. S HENK J.S., W ESTERHAUS M.O., H OOVER M.R. (1979) Analysis of forage by infrared reflectance. Journal of Dairy Science, 62, 807 812.
8. W ACHENDORF M. (1995) Untersuchungen zur Ertrags- und Qualitätsentwicklung von Rotklee und Rotkleegras in Abhängigkeit von der Nutzungsfrequenz, der Stickstoffdüngung und der Grasart. [Yield formation and changes of quality during growth of red clover and clover/grass mixtures as affected by the cutting frequency, level of nitrogen fertilizer and grass species.] PhD thesis, Department of Grass and Forage Science, University of Kiel, Kiel, Germany.
9. W ILHELMY B. (1993) Untersuchungen zur Ertragsbildung und zur Veränderung ausgewählter Qualitätsparameter im Zuwachsverlauf von Grünlandbeständen in Abhängigkeit von der botanischen Zusammensetzung (mit/ohne Weißklee), der Stickstoffdüngung und der Nutzungshäufigkeit. [Yield formation and changes in quality parameters during growth of grass swards as affected by the sward type (with/without white clover), nitrogen fertilizer level and cutting frequency.] PhD thesis, Department of Grass and Forage Science, University of Kiel, Kiel, Germany.