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Article: Artificial neural network analysis of laboratory and in situ spectra for the estimation of macronutrients in soils of Lop Buri (Thailand).
- Article from:
- Australian Journal of Soil Research
- Article date:
- January 1, 2003
- Author:
CopyrightCOPYRIGHT 2003 CSIRO Publishing. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Introduction
Soil has both dynamic and relatively static properties varying spatially (Bouma 1997). In particular, the topmost layers of agricultural soils are very delicate and dynamic in their behavior. Soil testing, since 1940s (SPAC 2000), has been a routine practice for appraising the quality and to determine fertiliser requirements. Reflectance spectrometry is an emerging and non-destructive tool for assessing soils and crops from their physical and biochemical make-up (Aparicio et al. 2000). Research has shown that careful examination of reflectance spectra could be a faster, cheaper, and more objective way to estimate some soil constituents. Depending on ...
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Article: ETC: Bangkok to Lop Buri reforestation rally, ...
The Nation (Thailand);
November 24, 1999 ;
700+ words
... ... Foundation for the Protection of the Environment and Tourism invites invite motorists to participate in a road rally from Bangkok to Lop Buri being held next weekend (Nov 27-28). The event, part of celebrations to honour HM the King's forthcoming birthday ...
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