Agriculture Reference
In-Depth Information
Penuelas J, Filella I, Serrano L (1996) Cell wall elasticity and water index (R970nm/R900nm) in
wheat under different nitrogen availabilities. Int J Remote Sens 17(2):373-382
Pettersson CG, Eckersten H (2007) Prediction of grain protein in spring malting barley grown in
northern Europe. Eur J Agron 27:205-214
Potash Development Association (2006) Principles of potash use. Leaflet 8. The Potash
Development Association, Laugharne. www.pda.org.uk
Reckleben Y (2003) Differences in yield and protein content with site-specific treatments for
wheat. Landtechnik 58:252-253 (in German)
Reckleben Y, Isensee E (2004) Influences on protein content and yield with small cereals.
Landtechnik 59:242-243 (in German)
Reusch S (1997) Development of an optical reflectance sensor for recording the nitrogen supply of
agricultural crops. Doctoral dissertation, University of Kiel, Kiel, Forschungsbericht
Agrartechnik der Max-Eyth-Gesellschaft Agrartechnik im VDI 303 (in German)
Reusch S (2003) Optimization of oblique-view remote measurement of crop N-uptake under
changing irradiance conditions. In: Stafford J, Werner A (eds) Precision agriculture. Papers
from the 4th European conference on precision agriculture, Berlin, 16-18 June 2003.
Wageningen Academic Publishers, Wageningen
Reusch S (2005) Optimum waveband selection for determining the nitrogen uptake in winter
wheat by active remote sensing. In: (a) Stafford J (ed) Precision agriculture '05. Wageningen
Academic Publishers, Wageningen, pp 261-266 (b) extended paper from Precision agriculture
'05, the 5th European conference of precision agriculture, held in Uppsala, 2005
Reusch S (2009) Use of ultrasonic transducers for online biomass estimation in winter-wheat. In:
van Henten EJ, Goense D, Lockhorst C (eds) Precision agriculture '09. Wageningen Academic
Publishers, Wageningen, pp 169-175
Reusch S, Jasper J, Link A (2004) Advanced concept for research on variable rate nitrogen applica-
tion based on remote sensing. In: Mulla DJ (ed) Proceedings of the 7th international conference
on precision agriculture and other resources management, University of Minnesota, St. Paul,
25-27 July 2004
Reusch S, Jasper J, Link A (2010) Estimating crop biomass and nitrogen uptake using
CROPSPEC TM , a newly developed active crop canopy sensor. In: Khosla R (ed) 10th interna-
tional conference on precision agriculture, Denver, 18 July 2010
Roberts DC, Wade Brorsen B, Taylor RD, Solie JB, Raun WR (2011) Replicability of nitrogen
recommendations from ramped calibration strips in winter wheat. Precis Agric 12:653-665
Savitzky A, Golay MJE (1964) Smoothing and differentiation of data by simplified least squares
procedures. Anal Chem 36(8):1627-1639
Schächtl J, Huber G, Maidl FX, Sticksel E, Schulz J, Haschberger P (2005) Laser-induced chloro-
phyll fluorescence measurements for detecting the nitrogen status of wheat ( Triticum aestivum
l. ) canopies. Precis Agric 6:143-156
Schepers JS (2008) Potential of precision agriculture to protect water bodies from negative impacts
of agriculture. Landbauforschung - vTI Agric Forest Res 58(3):199-206
Schepers JS, Varvel GE, Watts DG (1995) Nitrogen and water management strategies to reduce
nitrate leaching under irrigated maize. J Contam Hydrol 20:227-239
Schepers JS, Hagopian DS, Varvel GE (1998) Monitoring crop stresses. In: Illinois fertilizer con-
ference proceedings, 26-28 Jan 1998, report 16:3. http://frec.cropsci.uiuc.edu/1998/report16/
index.htm
Schmid A, Maidl F-X (2005) Optimizing site-specific crop management by contact-free sensing of
the heterogeneity of the canopy. In: IKB Dürnast, IKB-Teilprojekt 9, Abschluss - symposium,
TU München-Weihenstephan: 23 (in German). http://ikb.weihenstephan.de/ikb2/deutsch/sym-
posium/pdf/schmid.pdf
Sethuramasamyraja B, Adamchuk VI, Marx DB, Dobermann A, Meyer GE, Jones DD (2007)
Analysis of an ion-selective electrode based methodology for integrated on-the-go mapping of
soil pH, potassium, and nitrate contents. Trans ASABE 50(6):1927-1935
Shanandeh H, Wright AL, Hons FM (2011) Use of soil nitrogen parameters and texture for
spatially-variable nitrogen fertilization. Precis Agric 12:146-163
Search WWH ::




Custom Search