Declaration | 第1-7页 |
Certification | 第7-8页 |
Dedication | 第8-9页 |
Acknowledgements | 第9-14页 |
摘要 | 第14-19页 |
Abstract | 第19-26页 |
Chapter I Introduction and literature review | 第26-71页 |
Introduction | 第26-64页 |
·Topic current statement | 第28-33页 |
·NIR spectroscopy. Background and theoretical bases | 第33-52页 |
·Origin of near spectra | 第35-38页 |
·The shape of NIR spectra | 第38页 |
·Sampling considerations | 第38-39页 |
·Calibrations methods for NIR analysis | 第39-47页 |
·Multivariate analysis technique for NIR spectroscopy | 第47-52页 |
·Soil theory and principals concepts | 第52-60页 |
·Soil components and structure | 第52-57页 |
·Clay | 第53-54页 |
·Silt | 第54页 |
·Sand | 第54-55页 |
·Quartz | 第55-56页 |
·Gravel | 第56页 |
·Humus | 第56页 |
·Loam | 第56-57页 |
·Four major components of soils | 第57页 |
·Soil essential elements. Principal macronutrients | 第57-59页 |
·Soil fertility and conservation | 第59-60页 |
·Site Specific Management Basis | 第60-62页 |
·Investigation aim and objectives | 第62-64页 |
References | 第64-71页 |
Chapter II General materials and methodologies | 第71-79页 |
Introduction | 第71-78页 |
·Test field condition | 第71页 |
·Soil nutrient content determination | 第71-75页 |
·Soil sampling | 第71-72页 |
·Soil chemical analysis | 第72页 |
·Soil pH | 第72页 |
·Water content | 第72-73页 |
·Total Nitrogen content | 第73页 |
·Phosphorus (P) content determination | 第73页 |
·Potassium (K) content determination | 第73-74页 |
·Organic matter (OM) content determination | 第74-75页 |
·Reflectance measurements and device characterization | 第75-78页 |
References | 第78-79页 |
Chapter III Spectral feature characterizing and N content prediction in a soil with different particle size and moisture content | 第79-97页 |
Introduction | 第79-93页 |
·Materials and methodologies | 第80-83页 |
·Soil spectral features in front of different sample trials | 第80-81页 |
·Influence of soil particle size in the spectral features and N content prediction | 第81-82页 |
·Influence of soil moisture content in the spectral features and N content prediction | 第82-83页 |
·Results and discussion | 第83-92页 |
·Soil spectral features in from of different sample trials | 第83-85页 |
·Spectral features according with the captator height over the sample surface | 第83-84页 |
·Spectral features according with light source incidence angle | 第84-85页 |
·Influence of soil particle size in the spectral features N content prediction | 第85-90页 |
·Influence of soil moisture content in the spectral features and N content prediction | 第90-92页 |
·Conclusion and recommendations | 第92-93页 |
References | 第93-97页 |
Chapter IV Multivariate analysis technique for N content prediction using NIR spectroscopy | 第97-109页 |
Introduction | 第97-105页 |
·Materials and Methodologies | 第98-100页 |
·Methodology to obtain N prediction models using Partial Least Square technique (PLS) | 第98-99页 |
·Methodology to obtain N prediction models using Principal Component Regression technique (PCR) | 第99页 |
·Methodology to obtain N prediction models using Multiple Linear Regression technique (MLR) | 第99-100页 |
·Results and discussion | 第100-105页 |
Conclusions and recommendations | 第105-106页 |
References | 第106-109页 |
Chapter V Prediction of N, P, K, OM and pH in a loamy mixed soil using NIR spectroscopy | 第109-124页 |
Introduction | 第109-119页 |
·Methodology for soil OM, N, P, Kand pH prediction | 第109-111页 |
·Soil analysis | 第109-110页 |
·Soil spectral data measurement | 第110页 |
·Data pretreatment and statistical analysis | 第110-111页 |
·NIR predictions | 第111页 |
·Results and discussion | 第111-119页 |
·Spectral analysis for soil OM, N, P, K and pH prediction | 第111-119页 |
Conclusions and recommendations | 第119-120页 |
References | 第120-124页 |
Chapter VI Surveying and mapping the geographic distribution of soil characteristics measured with traditional techniques and predicted by NIRS | 第124-134页 |
Introduction | 第124-131页 |
·Materials and Methodologies | 第125-126页 |
·Result and discussion | 第126-131页 |
·Soil constituents spatial variability | 第126-129页 |
·An approach for this soil management | 第129-131页 |
Conclusion and recommendations | 第131页 |
References | 第131-134页 |
Chapter VII General conclusion and recommendations | 第134-137页 |
ANNEX | 第137-146页 |